diff --git a/3second/test/56006001_segment0_3sec.wav b/3second/test/56006001_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8d428087ef655e583e2659a07d21fcebbdbe5a65
--- /dev/null
+++ b/3second/test/56006001_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33c5ea43b3b2c95749ba3d113786c0c024fe16ae4a49c4af7a23a8559fa45a02
+size 118214
diff --git a/3second/test/56017008_segment0_3sec.wav b/3second/test/56017008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..99c3b42eeeac26f72c5e706ca659e5bf309134c0
--- /dev/null
+++ b/3second/test/56017008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6307ef38a082d4e282998c97b6d1ccae0835f517a6018dc07b8240c2a9cbff1a
+size 33356
diff --git a/3second/test/56017010_segment0_3sec.wav b/3second/test/56017010_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..91b2ee56c26ba1a512c9ade89a5a5836528f2236
--- /dev/null
+++ b/3second/test/56017010_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57da1cf444b5bae8e2ecb0916244e36afc5b799702dd54660db125228b0cb5ae
+size 24136
diff --git a/3second/test/56025009_segment0_3sec.wav b/3second/test/56025009_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9cf99380e2e72c36f5ded74ff3fdc0b62396b74c
--- /dev/null
+++ b/3second/test/56025009_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de8ba0e4fd14c58d7d7486fd2b81b20789072661eecc9cd144a23043b47d1768
+size 59244
diff --git a/3second/test/5801100C_segment0_3sec.wav b/3second/test/5801100C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..05d3eb796aceb64d70891372d4fcfca9433d8f88
--- /dev/null
+++ b/3second/test/5801100C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2c0c039493f7a1ae858fa5e057eaebbc813a185a7d6fe4aba3083efd720ea67
+size 181844
diff --git a/3second/test/58011012_segment0_3sec.wav b/3second/test/58011012_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0de8983bc064cbe420aebc26320972024e4e4ee1
--- /dev/null
+++ b/3second/test/58011012_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6e589bb34635c21a5b375e5f52535f0dccc788c7f8379536a84d2a32a2ad8bf
+size 285226
diff --git a/3second/test/5902900M_segment0_3sec.wav b/3second/test/5902900M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..955d74aae88946e8cd166e8bcdc33d7a50940882
--- /dev/null
+++ b/3second/test/5902900M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8bba4d945e698055346a611f36c3a3c484aaeb2ecaa2f94815d5f4e64671cc0c
+size 68692
diff --git a/3second/test/5902900S_segment0_3sec.wav b/3second/test/5902900S_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..90d2d0c191924788547c8be80825911130bb55ef
--- /dev/null
+++ b/3second/test/5902900S_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:adf5c58b4c087d97bb4498be0cb68146fcd4d098aff8a5911aaa6ea30ab1f3b4
+size 83438
diff --git a/3second/test/5902900W_segment0_3sec.wav b/3second/test/5902900W_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0e4e54a503163b1e2c135e216a5fcf0c9acf66aa
--- /dev/null
+++ b/3second/test/5902900W_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e43837915bbaeab8f4cc87c6f766ccd5fc12537e7acadc4ed73a56529e1cb58
+size 69676
diff --git a/3second/test/5903001Y_segment0_3sec.wav b/3second/test/5903001Y_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9c31ae1577d605b7d607ac09d7b9af6085b02c78
--- /dev/null
+++ b/3second/test/5903001Y_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:211d9033483f25b487c3d0e81017d6ae367dcb964ecc3cb6e2854f9e67825297
+size 178138
diff --git a/3second/test/59030036_segment0_3sec.wav b/3second/test/59030036_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4d4207feccd2a0c36e60d3b28070616d5f82dc33
--- /dev/null
+++ b/3second/test/59030036_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da5475c921b4ffc89c816e1e9f322f35cffa6c376c5bfe5483d1cdf859640bfe
+size 66562
diff --git a/3second/test/60026003_segment0_3sec.wav b/3second/test/60026003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4f2a6f32766c9bee8f42db4ff3be6a7c588df86f
--- /dev/null
+++ b/3second/test/60026003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e415b9cdd012d9666324d03fdaf182d9fb06d0be0e161689e3bfb62c38560c3b
+size 104492
diff --git a/3second/test/6102100Q_segment0_3sec.wav b/3second/test/6102100Q_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ff38e4ff46fc1b1e5205df144ff53cbcf62c9d8d
--- /dev/null
+++ b/3second/test/6102100Q_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a41d496b3eb011fc4f2a24bb1b1878d548c883a5fc9f080786a0ba96237ff63
+size 139470
diff --git a/3second/test/6102101B_segment0_3sec.wav b/3second/test/6102101B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..5b0e27f2b429997c44db98342ada53d2d61ac750
--- /dev/null
+++ b/3second/test/6102101B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e43855f5a6a6e4b358ca9b527c801a57484fef08eb5c45188c9645747cfe627
+size 50670
diff --git a/3second/test/6102101F_segment0_3sec.wav b/3second/test/6102101F_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..dbfdec4b7c7da9ce7fdef7d8586cd83d18fba64c
--- /dev/null
+++ b/3second/test/6102101F_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c38bb0d33d99938ca55d81dfb65871f0302b51dd933098799f14184c0f280cb2
+size 105720
diff --git a/3second/test/6102300A_segment0_3sec.wav b/3second/test/6102300A_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ecefae2706b56d7761337323608900cb54bda2fc
--- /dev/null
+++ b/3second/test/6102300A_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1381539e16e703d264ffb9ef8da14d0a1e7a897de14f84ea7fb9124a914d83d3
+size 345090
diff --git a/3second/test/6102300Z_segment0_3sec.wav b/3second/test/6102300Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c3c82e0be34df6a727b133d027df7cbede957354
--- /dev/null
+++ b/3second/test/6102300Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dacfda5c2314202f30d4360d595fe9544bc24863322d882c6b6940ea44ac46b2
+size 117352
diff --git a/3second/test/6102500M_segment0_3sec.wav b/3second/test/6102500M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ce933626312499c3e3c6a9bca1b9d23bb151cdf8
--- /dev/null
+++ b/3second/test/6102500M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc309f3758ee2a9078d532eeefd01c9ea6265da2b2e3867c933f801f1d9ea995
+size 119062
diff --git a/3second/test/61026020_segment0_3sec.wav b/3second/test/61026020_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a6a9eff7841206a423e3d56d23a5e10e16fd4098
--- /dev/null
+++ b/3second/test/61026020_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c3bff5ee58e1e9cbc841694b2ebd62f515cb78d4cfbe47d036dccd8fa422a9e
+size 227884
diff --git a/3second/test/6102602I_segment0_3sec.wav b/3second/test/6102602I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d9dd6cd000d1163a93ba93aa68493d41c42888fb
--- /dev/null
+++ b/3second/test/6102602I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:390a5a0e4e9e65c05cce47784551a2e7e91b62a9e0e9b66772156fc233f6f6cd
+size 198604
diff --git a/3second/test/6102602V_segment0_3sec.wav b/3second/test/6102602V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..87963115ffa1a4b50105450fe341a17e8960266f
--- /dev/null
+++ b/3second/test/6102602V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7936301d7d5dffb1f4805d29aafa6f165b53e04bc0f7de43d3d2ac47f8d9ff35
+size 200844
diff --git a/3second/test/6102603E_segment0_3sec.wav b/3second/test/6102603E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bc5819daf87455e6bc82c2a965d835d4176a0ae6
--- /dev/null
+++ b/3second/test/6102603E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:83bdfe4a6cd2c242adc1204c1dd692506cef65b1b64361ada260daebb31d5cb9
+size 241484
diff --git a/3second/test/6102604J_segment0_3sec.wav b/3second/test/6102604J_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bb66a97610c55982965d278f0c6d78cf5801690f
--- /dev/null
+++ b/3second/test/6102604J_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1dfc63e4c6cc2102a41e9891d7396b47d2867d23aec3cf6d0e00f97df20cd15c
+size 308684
diff --git a/3second/test/6107200K_segment0_3sec.wav b/3second/test/6107200K_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..69beddf9e3aa4ab3af2cb56367f5a8a159b049e3
--- /dev/null
+++ b/3second/test/6107200K_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b15ae096952643a4305076841c6e355c68944970ce44246da7ab112b63ad5cfb
+size 377484
diff --git a/3second/test/6107200O_segment0_3sec.wav b/3second/test/6107200O_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6f2732f325d3f903830b3803ffc975acd037fb5b
--- /dev/null
+++ b/3second/test/6107200O_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0759e8a8ef7c9ec74785528282fba76405554e946260e40e21ce82e76376362
+size 344204
diff --git a/3second/test/62022014_segment0_3sec.wav b/3second/test/62022014_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7d2c5a37f71b7d7df597bc2350596dda18417c03
--- /dev/null
+++ b/3second/test/62022014_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53763bd5481880b1d8c058162a06f73fbaf93ee50cc6681eece6ebbf1947a56f
+size 244524
diff --git a/3second/test/6202600B_segment0_3sec.wav b/3second/test/6202600B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..cb9d7659a448f66d15a6693251d76e5df54a059a
--- /dev/null
+++ b/3second/test/6202600B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f40f9b35befca60287ffde1b0e1c64f0b5a02d97f3574227f0c77756ad6e1fbc
+size 66284
diff --git a/3second/test/64005016_segment0_3sec.wav b/3second/test/64005016_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..fff6bef9420cc0b3da47595fbc096ce2bdc1b625
--- /dev/null
+++ b/3second/test/64005016_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38c641f2a41377e5918129bd3ec47cc9cf69e76e80d2da5f453eae8202838511
+size 310844
diff --git a/3second/test/64005017_segment0_3sec.wav b/3second/test/64005017_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e67d738e86fc6a25eb5b2dc769aa5eaa3131cce8
--- /dev/null
+++ b/3second/test/64005017_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:078ebd51dac4e4d72c034a45ae62165a524fe8523839eba573b28632402e3af9
+size 204838
diff --git a/3second/test/64103004_segment0_3sec.wav b/3second/test/64103004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d54ba5d17a0b2cb6ad301bdb6a926a8910f7fb41
--- /dev/null
+++ b/3second/test/64103004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8103394bb5ff04f4fe670511330241e347377eedc711fd4de868237bb4e64066
+size 3674
diff --git a/3second/test/6503000G_segment0_3sec.wav b/3second/test/6503000G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6486a9f51173ec54a3931d12ccfc25f45a1e3f64
--- /dev/null
+++ b/3second/test/6503000G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e433ea8c0df1993c55942fc261448411d9e893b92571c319c984942f9ea0aba
+size 41804
diff --git a/3second/test/65033002_segment0_3sec.wav b/3second/test/65033002_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..acc9141f204db9c049e00176b4ddbd6397462567
--- /dev/null
+++ b/3second/test/65033002_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32e36ec81739bed3cf1508d032eca9900e5bf7e24b2e5f7b9cdde144a76a17d0
+size 174042
diff --git a/3second/test/65033003_segment0_3sec.wav b/3second/test/65033003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..fe95b0f15123a39463f042c88c96b4d97d1a384d
--- /dev/null
+++ b/3second/test/65033003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42d49dff78b63a009143a79d28ee9e40d4785ce0c00e442cee73f7b3ad4a7906
+size 131770
diff --git a/3second/test/65033007_segment0_3sec.wav b/3second/test/65033007_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e4b7603870f188c1ba95311beea5ae98a68f23b0
--- /dev/null
+++ b/3second/test/65033007_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:39c944ed39e6f6de83ad71863e32155f8dba72367a1d2b5a23c10f98f52a94fa
+size 232368
diff --git a/3second/test/6503300J_segment0_3sec.wav b/3second/test/6503300J_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d1bb54c181accd67f64edd5c9b588ecd5b8e2cb0
--- /dev/null
+++ b/3second/test/6503300J_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a26aa9dd89a482ba26a35036178b3a452f1524b220b97b1e30a654a81bbfa20
+size 113912
diff --git a/3second/test/6503300K_segment0_3sec.wav b/3second/test/6503300K_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b8740b9c49e8e24b2260fde7eb4c3bcb33fbfd7a
--- /dev/null
+++ b/3second/test/6503300K_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1af97d41cbb17935c3c022d4489d32d4f706df778ebb8976337ffd68cc1ae91e
+size 58124
diff --git a/3second/test/66084004_segment0_3sec.wav b/3second/test/66084004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ff5413d4855117926b35f530e01312ccda8ea515
--- /dev/null
+++ b/3second/test/66084004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce2daed49a8e6315184f616d4f1d340e05c605ef544acdaff9b898b22d262798
+size 106364
diff --git a/3second/test/6608500N_segment0_3sec.wav b/3second/test/6608500N_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ccc3d923781dcced48afef852150c643f3d654ae
--- /dev/null
+++ b/3second/test/6608500N_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cfd1745596d4c3f4ef51530b9674c5bf9c3f8347f6e76abcab9f499b219e42e1
+size 92604
diff --git a/3second/test/67010002_segment0_3sec.wav b/3second/test/67010002_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e3912d1058d7c08287451893f6ba85b925d5de38
--- /dev/null
+++ b/3second/test/67010002_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c02a39c87979f6427546de8bc7e59960df308b4efcb8d2d30e8abe552fc7349
+size 30764
diff --git a/3second/test/67010003_segment0_3sec.wav b/3second/test/67010003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9aa5cc18a8423105777e33dfbb9950a2aa1e800b
--- /dev/null
+++ b/3second/test/67010003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67d9e0043cea2fc71a06d1165acfa858f67a64cff2851832256000114fa95676
+size 29084
diff --git a/3second/test/70006004_segment0_3sec.wav b/3second/test/70006004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9a900fd680290bc62f04e4af85140541553105a4
--- /dev/null
+++ b/3second/test/70006004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33d0e185e59cfef9515ccac13e0df7ae41ca491e8472ef703ae6009c28297929
+size 277004
diff --git a/3second/test/7100102Z_segment0_3sec.wav b/3second/test/7100102Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9a53bcf6e78b15180c18396b9d35e4dbdc40f8cb
--- /dev/null
+++ b/3second/test/7100102Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d50732a6bc48e15203ab24fde0016015b35ae4a916ae00a5dab006ea6eb0b5b
+size 133164
diff --git a/3second/test/71001034_segment0_3sec.wav b/3second/test/71001034_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..61abda33d44946c4790bec9195467ff55c664cf1
--- /dev/null
+++ b/3second/test/71001034_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6391a49cf76586c85da5dfb897cd631fcef35f804f1d4eb14c85301b3090bad7
+size 226924
diff --git a/3second/test/7100300G_segment0_3sec.wav b/3second/test/7100300G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c90d7b14df5a89592e35ee086e8ff2db9e8f4aa5
--- /dev/null
+++ b/3second/test/7100300G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8dcf19d4537d7f2a753f6fca435dfc1a8ca01b6fe98bcd5f0b3e8089e00af5a8
+size 309864
diff --git a/3second/test/71004004_segment0_3sec.wav b/3second/test/71004004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aab34a41773bb5e53d6bc696dec12bc9fa4acea1
--- /dev/null
+++ b/3second/test/71004004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eed92629bb8e7608bf6945a0e093f1a2906452e47febbd9c4ec9aa9ac456fe64
+size 261324
diff --git a/3second/test/71008009_segment0_3sec.wav b/3second/test/71008009_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..57f74fef469fd0bf76a124a5eb4b02b14851de53
--- /dev/null
+++ b/3second/test/71008009_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef75cc05ca915c3e89db54c890f77b5274bf05157d76291dec8cb66e761d9b93
+size 307564
diff --git a/3second/test/7100801H_segment0_3sec.wav b/3second/test/7100801H_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..56dc7ea6b9e928e52affde8295ad59f3c1830172
--- /dev/null
+++ b/3second/test/7100801H_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b414e65781c5a3c5c0cbf79b5977a7e0acdc4655304a141976f06ef36bbb872
+size 158284
diff --git a/3second/test/71012003_segment0_3sec.wav b/3second/test/71012003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..44bcea399624cad70ce54072b471e4e39838589c
--- /dev/null
+++ b/3second/test/71012003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b3152648f1a8926f890a078ccc4e613605db7e642fabfe1c2060c638b1d91567
+size 7724
diff --git a/3second/test/72005001_segment0_3sec.wav b/3second/test/72005001_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9833433c8a13f774506510fcb2c79314633fc56a
--- /dev/null
+++ b/3second/test/72005001_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d935529a29f466690aafb4c0923c2e2e96751f20a439a03d0ce4184972061735
+size 238686
diff --git a/3second/test/72005004_segment0_3sec.wav b/3second/test/72005004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e3737240fdabc3dab27dec744b66b47d462f60b6
--- /dev/null
+++ b/3second/test/72005004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6fe8fe847b6cdb853cb78af1fdecad44dee22dc2617bce96e55a9550b220f66
+size 315526
diff --git a/3second/test/7200500W_segment0_3sec.wav b/3second/test/7200500W_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7f418ee2b2d8f78a1848c3e791a56a6ea0c136ba
--- /dev/null
+++ b/3second/test/7200500W_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e3b1018282e82953ec5e55cf35ca169961a499f0c0e4c7289ec58fce53e9108
+size 272016
diff --git a/3second/test/72014008_segment0_3sec.wav b/3second/test/72014008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4a16ec4e14eb0db7c94eeeed895b72175be5d276
--- /dev/null
+++ b/3second/test/72014008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:912b5a611d959b1a659d4b1c0d26155915f4c53ec015f824a0bcd1466184eb12
+size 24660
diff --git a/3second/test/72019007_segment0_3sec.wav b/3second/test/72019007_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..000126c85d14c6f0ce5945c487d3c5ca75b6f50f
--- /dev/null
+++ b/3second/test/72019007_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54310a7f7d07071c27a57f545880fd255b23db271030567dab1465a395c9c187
+size 24660
diff --git a/3second/test/7202100T_segment0_3sec.wav b/3second/test/7202100T_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d8192631038ac98c5194c57cc77e29da09751d0b
--- /dev/null
+++ b/3second/test/7202100T_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc639f90250ad60607013381bc29c97c16b7a7e098b272b3c2607755f990828f
+size 58124
diff --git a/3second/test/7500103V_segment0_3sec.wav b/3second/test/7500103V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..25b44b6fcd6ecaa61123f3ce0f74ae47e81c887b
--- /dev/null
+++ b/3second/test/7500103V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9477be462bd4fc21275ac7289845584fbfa0a88f599178734a33956d76b9fcf6
+size 794058
diff --git a/3second/test/7500302U_segment0_3sec.wav b/3second/test/7500302U_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8626d9668aa246058f2b180f3e3aa791becd546d
--- /dev/null
+++ b/3second/test/7500302U_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9b3497878aebd0955a02b87ab6ad28fbef6881fc4350c259939b183d02b82d6
+size 384706
diff --git a/3second/test/7500303Y_segment0_3sec.wav b/3second/test/7500303Y_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a9aed2c1470567e56bd35f1113ed6beac0b28d32
--- /dev/null
+++ b/3second/test/7500303Y_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fac5ff01faeff6b053136a359859eac42329e24de36ad7712793706fc41c9ad1
+size 240600
diff --git a/3second/test/75003045_segment0_3sec.wav b/3second/test/75003045_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0211584cea2ccbbcaf3c3ce5ed012274475d0724
--- /dev/null
+++ b/3second/test/75003045_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ec28f551cf7785d8fbc707b64784f9a2b9c31574d628d495dc17df184236114
+size 286622
diff --git a/3second/test/7500304L_segment0_3sec.wav b/3second/test/7500304L_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a0c987b7ab7a8e0c14fde2dc802038c01018fd34
--- /dev/null
+++ b/3second/test/7500304L_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a40b0c9e0ebe7c8592fa18ec18cf9bf45b72c001e350bd08864957c9399e586
+size 485890
diff --git a/3second/test/7500304M_segment0_3sec.wav b/3second/test/7500304M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6000d0582883e3eeefce5a058229c6be613d5355
--- /dev/null
+++ b/3second/test/7500304M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d0a2089435b804d3fe55abf9f30801760c56dde70a6cd8337fb8e21ca6aa5e5
+size 428116
diff --git a/3second/test/7500305D_segment0_3sec.wav b/3second/test/7500305D_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2692434e1300e012661ac0ce5ee6f2b1e487a0e0
--- /dev/null
+++ b/3second/test/7500305D_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc16ef6c753d0ae75dca59b7db52dbd63acbe6efa4d151d7aa1c8062c381bb79
+size 121138
diff --git a/3second/test/7500305Z_segment0_3sec.wav b/3second/test/7500305Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..25ab1e36c8d23d9d86bd1f00ee84952d1d42f798
--- /dev/null
+++ b/3second/test/7500305Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04ff6a288fb9f8339cd4453e4247f4a8ea654e799230a6e01aba9e3d445b8fc0
+size 125054
diff --git a/3second/test/7500402E_segment0_3sec.wav b/3second/test/7500402E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6903990908dccdb5abf1e5e688cae0d5325f63c7
--- /dev/null
+++ b/3second/test/7500402E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:362b2205933186b25359202f373c17cbebe825ac5f9482bc800beb050f5554a2
+size 318446
diff --git a/3second/test/7501400G_segment0_3sec.wav b/3second/test/7501400G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..40cb7794a944d0b893b53655a15629b46146b12a
--- /dev/null
+++ b/3second/test/7501400G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7fafc69793abaa870d9b7871e1d0e7434dfe2abfc39f31cd0018996d81d5c1b
+size 232368
diff --git a/3second/test/7702800V_segment0_3sec.wav b/3second/test/7702800V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7171505b7ffc90a777670e646cbb13787a60a6ee
--- /dev/null
+++ b/3second/test/7702800V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be9173b06eaad4cb23f4243896ab0ae026840b552a587a9905da7056521d63fd
+size 170600
diff --git a/3second/test/77028018_segment0_3sec.wav b/3second/test/77028018_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..44397b7df7b9f7631289b4cd1563039a28e3fc34
--- /dev/null
+++ b/3second/test/77028018_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:673dab37d9aeb0ac635b30964d2ae2b919763eaee94155b92de42b6f2e11b5a1
+size 195832
diff --git a/3second/test/77034006_segment0_3sec.wav b/3second/test/77034006_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6160dc32e96dfa6a3460ffe04a6cb12015f95f61
--- /dev/null
+++ b/3second/test/77034006_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eaa6bc4df461e2b6389887a62121c34f39f697ebe90a79c5c6b318fdbe06c2e6
+size 147172
diff --git a/3second/test/7900200X_segment0_3sec.wav b/3second/test/7900200X_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..058ae0ec58ce524e4f5928b41c5e6f279757cbf1
--- /dev/null
+++ b/3second/test/7900200X_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69e101e6c3c97dd2e0b75dd4228f1d067f5769e961f253df69a44898f2f9e3a1
+size 18700
diff --git a/3second/test/79002013_segment0_3sec.wav b/3second/test/79002013_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e325ecf20db2c3394f5c235e34514269648988ef
--- /dev/null
+++ b/3second/test/79002013_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18635eb80de90a11aa59283339ded419157deb83d03f9808fe05b86e4f7c6485
+size 15188
diff --git a/3second/test/79006015_segment0_3sec.wav b/3second/test/79006015_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..09e742eacec4d35700ea7a2a5d1c4d51e281af0f
--- /dev/null
+++ b/3second/test/79006015_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be58be663c778cdd46d72ccf54cea247b55620abf072e7eec9e7b99f58a49094
+size 165686
diff --git a/3second/test/81037008_segment0_3sec.wav b/3second/test/81037008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2442ded725e09925f960d28bbab3728b148a89bd
--- /dev/null
+++ b/3second/test/81037008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8cd72439069af1b7378ad73702dc51094fa6bfdeb426df78ed8ef8ae3ac32bd0
+size 116370
diff --git a/3second/test/8300200C_segment0_3sec.wav b/3second/test/8300200C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3f2274a1a159b5260502c62cea0983c72c448ccb
--- /dev/null
+++ b/3second/test/8300200C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb811a36282f19ffa9f076e13649ee996181ec21b7a9c69b8ef8511569fe558b
+size 23708
diff --git a/3second/test/83006008_segment0_3sec.wav b/3second/test/83006008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..f8611d916dc06f9420f435c2748ca0072a832d80
--- /dev/null
+++ b/3second/test/83006008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2e7a5dfb95fdfd6dde906ac8ab651fc4c87923eeb04da424b2b29f128b8fe17
+size 464694
diff --git a/3second/test/83006009_segment0_3sec.wav b/3second/test/83006009_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9f21687ba0bd94bd6657f223943b0b5bbed5b8fd
--- /dev/null
+++ b/3second/test/83006009_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cff039a2ba74a8ee2ac12341a18318fd0c0a40b8b0161497508cd0c8dab7f497
+size 232368
diff --git a/3second/test/8300601R_segment0_3sec.wav b/3second/test/8300601R_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..15fbe2adcacfffc7555715dcd7f10e01dfafa5e1
--- /dev/null
+++ b/3second/test/8300601R_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:82e86f95882b7df01c5a1da5152c77d1709533e982f328fe7e9ef8e895954dd8
+size 938668
diff --git a/3second/test/8300604K_segment0_3sec.wav b/3second/test/8300604K_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..75323b71a04a3a62b8dd30b36532817af296541b
--- /dev/null
+++ b/3second/test/8300604K_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42f110db50f82bc0efda328169c2d75763dbe3c2209ca41a1045233f9004de4e
+size 121516
diff --git a/3second/test/8500701C_segment0_3sec.wav b/3second/test/8500701C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..660382c0147a39c911aff3a292c35cc785ad4338
--- /dev/null
+++ b/3second/test/8500701C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ba8540a95c79fce03a397c0f1281d2a93d9a717f8d5fc4ab277f8420e48571c
+size 199474
diff --git a/3second/test/8500701G_segment0_3sec.wav b/3second/test/8500701G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..decc99bd57a0868bdeb3c00cc901600fa93c34ee
--- /dev/null
+++ b/3second/test/8500701G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e3abc0aef3ca7e0d6811e7f538be16b145e41076b9228e34b0d4e3dac4d523d
+size 378668
diff --git a/3second/test/85009005_segment0_3sec.wav b/3second/test/85009005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b8e31ed7955fd5e95d74173a2a2df94aed4a2dd9
--- /dev/null
+++ b/3second/test/85009005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2771c2b0ec94cd2e7a5356238c61c36520a2c9470bbd1590799758d6de5f8838
+size 178184
diff --git a/3second/test/8500900I_segment0_3sec.wav b/3second/test/8500900I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a27e958b3125da91d038ceec7e083ca8bf5ade1f
--- /dev/null
+++ b/3second/test/8500900I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c289ea179e0f218d9d4ae6d20eeb7ada4e208c6e1847c13878cae6beae9f0c3b
+size 61810
diff --git a/3second/test/8501400H_segment0_3sec.wav b/3second/test/8501400H_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3e4b9b705edc8f347276a05ad614034c66fe2c06
--- /dev/null
+++ b/3second/test/8501400H_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:029dae3f46e999525b6cfef9d2dc5b7e8522c0821bc3e1b625fc46589a5a301a
+size 127265
diff --git a/3second/test/8501400L_segment0_3sec.wav b/3second/test/8501400L_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..be8dfd0b3a44a09e3ff28045cd0b44c9943d4e41
--- /dev/null
+++ b/3second/test/8501400L_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:76fad48fb10466310201d3bff94c00f36498212199524bc7f48832fa9d81f3e7
+size 132918
diff --git a/3second/test/8501400R_segment0_3sec.wav b/3second/test/8501400R_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2d9562c09d4b284bda1c3e5b43984df2a8823bf8
--- /dev/null
+++ b/3second/test/8501400R_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cc9850abb030c9edb8c493e264fc8e5dce7fda83aa62a3f698974c433bc0c1d
+size 120138
diff --git a/3second/test/8501400S_segment0_3sec.wav b/3second/test/8501400S_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..076389ac7e6c3265a204d5baf488b1257349a183
--- /dev/null
+++ b/3second/test/8501400S_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4f297a682eccbeb67ef6a375e1b84fe8218fd34c97fecd82c81b2259d2db9db
+size 89664
diff --git a/3second/test/87017004_segment0_3sec.wav b/3second/test/87017004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3f325473ed8d71b94137a8d3a379f0f6412a8b33
--- /dev/null
+++ b/3second/test/87017004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5eb32336cd0cee937e01e3b0fb6f999582af18a78723465ecf5f42cf9473d2e9
+size 105064
diff --git a/3second/test/89514001_segment0_3sec.wav b/3second/test/89514001_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..44ebfe3d8d351c5637ec8fdd7f4325461c10fb1c
--- /dev/null
+++ b/3second/test/89514001_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:beeb1ab34d7c27ea94cb6caa3e4042bca59d5fa94d11ce7bcf95293bc62c2b75
+size 184364
diff --git a/3second/test/9002800F_segment0_3sec.wav b/3second/test/9002800F_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bf8c9c9a3386282a6cb6224c5acf8a7498da90a7
--- /dev/null
+++ b/3second/test/9002800F_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d71b0218a125b2b0d675b33f83ce9b06638cea857d16c87a51aa21e26e51037b
+size 116370
diff --git a/3second/test/9004401Z_segment0_3sec.wav b/3second/test/9004401Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2b644a403bd692295a95ba1e196716f0e3c3ffd0
--- /dev/null
+++ b/3second/test/9004401Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30f473a110a3dd53c28f394f5bb0bb2ae7b48c3f6451d5d00958491cb7781d78
+size 95670
diff --git a/3second/test/9100501T_segment0_3sec.wav b/3second/test/9100501T_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6b24d6cc2158d7070ba73209c55df23009f06b3e
--- /dev/null
+++ b/3second/test/9100501T_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06fba1d23453ec7af673435926a5084870e63cfb67658cb36779042865146392
+size 43484
diff --git a/3second/test/91010004_segment0_3sec.wav b/3second/test/91010004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..cfe725b4159accc999293c37c8e26c3d2b299620
--- /dev/null
+++ b/3second/test/91010004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f825ba10e1228c5d9a22114752affe590e0a1d68cbf8fe457c2dfdc340c30d01
+size 232368
diff --git a/3second/test/91012016_segment0_3sec.wav b/3second/test/91012016_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a05108733ed25732be4d8b2981e19ccbada4993d
--- /dev/null
+++ b/3second/test/91012016_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d2c9559406fb8cf7819185df8a0be314f957a096fb6181252f20452b6297ef66
+size 224340
diff --git a/3second/test/9101202U_segment0_3sec.wav b/3second/test/9101202U_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..67b00f0772888a53d5460f9f48e156a11af837b0
--- /dev/null
+++ b/3second/test/9101202U_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d505264e7328914ce80b1fca8bb15045b2c768ab432d3db088fefdb852771106
+size 20360
diff --git a/3second/test/91012045_segment0_3sec.wav b/3second/test/91012045_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c0a7913ceeee1ea768edc401ee9964eee4363163
--- /dev/null
+++ b/3second/test/91012045_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a46aa30898b682120fec1de3fa931460228436939fd671f3961bde5ac0bb70e
+size 10856
diff --git a/3second/test/9101300E_segment0_3sec.wav b/3second/test/9101300E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8c3206f881c39dfedfd133af95628aa50e8324ff
--- /dev/null
+++ b/3second/test/9101300E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30438d7618bd06a608185a45ae1cb055ad9b122a03e7b8e82968036bd83ac8ac
+size 309864
diff --git a/3second/test/9101301I_segment0_3sec.wav b/3second/test/9101301I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8d01bb8a9a31a31093905a5f4390ae86a4d0ab73
--- /dev/null
+++ b/3second/test/9101301I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c5eee05f925def18b18d8b750917a11754f6ceef92e918ba108a5b501915a5e6
+size 135866
diff --git a/3second/test/9220100D_segment0_3sec.wav b/3second/test/9220100D_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0d47b954a9bd6034516631281ca80ca4460fd3ec
--- /dev/null
+++ b/3second/test/9220100D_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6be20cf3f0a6f549cc90b3bf412ebdac8ac8e54f9d724a695334330c2c099bee
+size 72218
diff --git a/3second/test/9400807R_segment0_3sec.wav b/3second/test/9400807R_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7578b5d4e61ee784e56db9ac33d9f3e3c8b0befe
--- /dev/null
+++ b/3second/test/9400807R_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b63dfc0b461b07bcdc2b7ee0aaa35a446f35d1546faa4de08bf2aabcdf96d4a7
+size 140204
diff --git a/3second/test/9400807V_segment0_3sec.wav b/3second/test/9400807V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7e540786533ce66591a24ccda569e2573896e268
--- /dev/null
+++ b/3second/test/9400807V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3001531405dad5a5f65de661d405ed2f881f7903a4e26d634baf9d96b3cec0cc
+size 117004
diff --git a/3second/test/95003006_segment0_3sec.wav b/3second/test/95003006_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aa5fcc495be6084b85a05d65d1bb08f8fb4eb315
--- /dev/null
+++ b/3second/test/95003006_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a928a68fa4a1dd1d567f89ea27f265ced8f998305e2eaa5f925451e2f45a4723
+size 231404
diff --git a/3second/train/5801100G_segment0_3sec.wav b/3second/train/5801100G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..19dd78979e55dcf2c5b44f99437d07ebe14f33b8
--- /dev/null
+++ b/3second/train/5801100G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a11ca115a69d1a8ec39556f01afe8da7e27d39d296e60d009f8e35f504e0bddc
+size 108518
diff --git a/3second/train/5801100Y_segment0_3sec.wav b/3second/train/5801100Y_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b638e22f9a37eff7dc0ca17513912aa894439105
--- /dev/null
+++ b/3second/train/5801100Y_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1daefa544f8b3862b7be1d791400045220601f0fed786fd02c8da19ef691b427
+size 109608
diff --git a/3second/train/5801101K_segment0_3sec.wav b/3second/train/5801101K_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..66f56effb04f3d43a3cde4656f80e2c1e7010a6f
--- /dev/null
+++ b/3second/train/5801101K_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29ba1a8f953db5460393ce1fca3d0dd28bf45cd7e4fb3810060a276f38184b68
+size 183298
diff --git a/3second/train/5801101N_segment0_3sec.wav b/3second/train/5801101N_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..80e913c96a693090b7f4a298cb3f27fac2321ec4
--- /dev/null
+++ b/3second/train/5801101N_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c4d2d26dfee942cb2935bf7c16bfb957218d81d05e45604f1aabab331886ef9f
+size 62582
diff --git a/3second/train/5902900R_segment0_3sec.wav b/3second/train/5902900R_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..006ca575d5f2662930cc4cb298195794dfa538e2
--- /dev/null
+++ b/3second/train/5902900R_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:256198bc6ecf042be5788bec87adb393ce970acae04007c25cb94bdd5e7464c6
+size 74754
diff --git a/3second/train/59030033_segment0_3sec.wav b/3second/train/59030033_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..14c6fe1c0130b065a918e138b430155290a3174d
--- /dev/null
+++ b/3second/train/59030033_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98420b4834bcdcf9c16d04b99ef50c82d97bd0579552a5cd89e850d78fee0f64
+size 65416
diff --git a/3second/train/59030036_segment0_3sec.wav b/3second/train/59030036_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4d4207feccd2a0c36e60d3b28070616d5f82dc33
--- /dev/null
+++ b/3second/train/59030036_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da5475c921b4ffc89c816e1e9f322f35cffa6c376c5bfe5483d1cdf859640bfe
+size 66562
diff --git a/3second/train/60026003_segment0_3sec.wav b/3second/train/60026003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4f2a6f32766c9bee8f42db4ff3be6a7c588df86f
--- /dev/null
+++ b/3second/train/60026003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e415b9cdd012d9666324d03fdaf182d9fb06d0be0e161689e3bfb62c38560c3b
+size 104492
diff --git a/3second/train/60026006_segment0_3sec.wav b/3second/train/60026006_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b0033c0789c165490a1d03f8a58f54c0c158a0cf
--- /dev/null
+++ b/3second/train/60026006_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d48a7ac607b57c2a6c19453631607716e9d294cd0262ebc8263a44a99c394439
+size 131116
diff --git a/3second/train/6102100P_segment0_3sec.wav b/3second/train/6102100P_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e7b0e1e70a39541fd77958b2f971878425ab4f2f
--- /dev/null
+++ b/3second/train/6102100P_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65b4e01b2b07637a9ce25f83819f90ecf8d7cf9fcc6e9bb7416355a22967b073
+size 147826
diff --git a/3second/train/6102101B_segment0_3sec.wav b/3second/train/6102101B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..5b0e27f2b429997c44db98342ada53d2d61ac750
--- /dev/null
+++ b/3second/train/6102101B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e43855f5a6a6e4b358ca9b527c801a57484fef08eb5c45188c9645747cfe627
+size 50670
diff --git a/3second/train/61023008_segment0_3sec.wav b/3second/train/61023008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..562af9de73bb8dfb3171106b4bd1d206ebed3dfb
--- /dev/null
+++ b/3second/train/61023008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19acc84c87c8a5747bba8355c997241533cb220a487b0506febccf0507b70e2e
+size 161262
diff --git a/3second/train/6102301I_segment0_3sec.wav b/3second/train/6102301I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..1b2b5b8182261ea85f0d3361d4106c440c65dee3
--- /dev/null
+++ b/3second/train/6102301I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7708d023c525c14528c795d4a0e23d117b94d89df968049621a954a3f1d6b08f
+size 165344
diff --git a/3second/train/61025004_segment0_3sec.wav b/3second/train/61025004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..5bd69e91d6b2b1693934034d2b4ee121c789f80a
--- /dev/null
+++ b/3second/train/61025004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7777159f1368f7a4b7f243defaba92812077d2293e4c233cd19dd6d2298b4eb0
+size 154922
diff --git a/3second/train/6102500I_segment0_3sec.wav b/3second/train/6102500I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d88a7b1e6581dc1f38d8e8ac897b8da6de8ae583
--- /dev/null
+++ b/3second/train/6102500I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3ba509670f507e9715d9ed789f55eed04306067c4993b6215890902d38f13a3
+size 217476
diff --git a/3second/train/6102602V_segment0_3sec.wav b/3second/train/6102602V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..87963115ffa1a4b50105450fe341a17e8960266f
--- /dev/null
+++ b/3second/train/6102602V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7936301d7d5dffb1f4805d29aafa6f165b53e04bc0f7de43d3d2ac47f8d9ff35
+size 200844
diff --git a/3second/train/6102603A_segment0_3sec.wav b/3second/train/6102603A_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8fe68568e656d06e9dc78933b7e9625e0547e995
--- /dev/null
+++ b/3second/train/6102603A_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02157ee767ea74d6c431722cf4a9cd327010b09c40d78378236614bfb7f4ebdd
+size 223404
diff --git a/3second/train/6102604K_segment0_3sec.wav b/3second/train/6102604K_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ecf02f69575260eb899ddd1bd8a3a65dc7bbcd6e
--- /dev/null
+++ b/3second/train/6102604K_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:370118e8c8bc02b72442af695c35cfa5fc873f9057ffdedaeb2ac8920abba7bc
+size 267404
diff --git a/3second/train/6107200O_segment0_3sec.wav b/3second/train/6107200O_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6f2732f325d3f903830b3803ffc975acd037fb5b
--- /dev/null
+++ b/3second/train/6107200O_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0759e8a8ef7c9ec74785528282fba76405554e946260e40e21ce82e76376362
+size 344204
diff --git a/3second/train/6107201X_segment0_3sec.wav b/3second/train/6107201X_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..622d93b2874ef1bbb14f20cb9cb8216c10522927
--- /dev/null
+++ b/3second/train/6107201X_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b3427098b5ea832f29f40bce48cf63e9d235a13d9f6b7672f3797585f8295a3
+size 241164
diff --git a/3second/train/62018002_segment0_3sec.wav b/3second/train/62018002_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..18b9aeb06803028033e406dbcb89ea1b2d61a53f
--- /dev/null
+++ b/3second/train/62018002_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cb8112cd50dc484c1f361c6b176cc21d2fe18313c960a1251d1d1c5075f49ca
+size 204604
diff --git a/3second/train/6202200Z_segment0_3sec.wav b/3second/train/6202200Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7b2fe595f1c986c2cd55abc71b988cacda27c7d1
--- /dev/null
+++ b/3second/train/6202200Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3f8f9c4f751d15de8b682405c8fcb02efbdb1627964b61192525fe61f8c7b65
+size 314764
diff --git a/3second/train/6202600C_segment0_3sec.wav b/3second/train/6202600C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c8033b1c13a6fc521a05aeea2a39690e2dc3d893
--- /dev/null
+++ b/3second/train/6202600C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ebbda545b8819979a35c386fc07f55d27987d6ab64737993ba3cd525cb41146
+size 64140
diff --git a/3second/train/64005016_segment0_3sec.wav b/3second/train/64005016_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..fff6bef9420cc0b3da47595fbc096ce2bdc1b625
--- /dev/null
+++ b/3second/train/64005016_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38c641f2a41377e5918129bd3ec47cc9cf69e76e80d2da5f453eae8202838511
+size 310844
diff --git a/3second/train/64103005_segment0_3sec.wav b/3second/train/64103005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0e7e8f9e2ae30c3bba389fe56884fd53da2bac44
--- /dev/null
+++ b/3second/train/64103005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a9665fce04be6af15b194177d97a600dc17a3c8de13a87536fec73e467c9df0
+size 3674
diff --git a/3second/train/6503000G_segment0_3sec.wav b/3second/train/6503000G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6486a9f51173ec54a3931d12ccfc25f45a1e3f64
--- /dev/null
+++ b/3second/train/6503000G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e433ea8c0df1993c55942fc261448411d9e893b92571c319c984942f9ea0aba
+size 41804
diff --git a/3second/train/66002A04_segment0_3sec.wav b/3second/train/66002A04_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6b075909c4c288025f6106ae3fc821e6359ea5b4
--- /dev/null
+++ b/3second/train/66002A04_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b73b612caaab7a8ce889e5982db20dc4477b0c03b0ff6f5ae3080b38cd6bd9e4
+size 70508
diff --git a/3second/train/67009005_segment0_3sec.wav b/3second/train/67009005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..32fc39bdc485ce1b0b4e0800439cb54006ebf84c
--- /dev/null
+++ b/3second/train/67009005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62550880a4c3fd6f5cf8d8bf3f33a6aa149347d3df5aa6bce810c4541a83126c
+size 51488
diff --git a/3second/train/6700900M_segment0_3sec.wav b/3second/train/6700900M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c1ded938a73e59d69766d5d20ded17f493f03289
--- /dev/null
+++ b/3second/train/6700900M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7db2b3a3e79b309e686c5c02e01dcde87f2c3808b67ffc60f4d28a5050d95d92
+size 36128
diff --git a/3second/train/67010003_segment0_3sec.wav b/3second/train/67010003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9aa5cc18a8423105777e33dfbb9950a2aa1e800b
--- /dev/null
+++ b/3second/train/67010003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67d9e0043cea2fc71a06d1165acfa858f67a64cff2851832256000114fa95676
+size 29084
diff --git a/3second/train/67010006_segment0_3sec.wav b/3second/train/67010006_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e4c47fdf2d3bc114117f7e66082a082c7e67680b
--- /dev/null
+++ b/3second/train/67010006_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf1d3d2ebbb9fc1551b650881e73473c1b0d0ad51353646e9abeb497f2d3e0ab
+size 14564
diff --git a/3second/train/68002007_segment0_3sec.wav b/3second/train/68002007_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6e86d189d293246e45474ef77e57797caf20aad3
--- /dev/null
+++ b/3second/train/68002007_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8d768f57150440efb33c127588276331bd79570ef8026576b0a23737214ff59
+size 232368
diff --git a/3second/train/70006004_segment0_3sec.wav b/3second/train/70006004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9a900fd680290bc62f04e4af85140541553105a4
--- /dev/null
+++ b/3second/train/70006004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33d0e185e59cfef9515ccac13e0df7ae41ca491e8472ef703ae6009c28297929
+size 277004
diff --git a/3second/train/70025009_segment0_3sec.wav b/3second/train/70025009_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..317458b555e5d758e0c76493b8980246218f2053
--- /dev/null
+++ b/3second/train/70025009_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65ca0018fe363e7d35a0153b7da83b0694046b4ff431576f189e1e5d1696597d
+size 40840
diff --git a/3second/train/7100102Z_segment0_3sec.wav b/3second/train/7100102Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9a53bcf6e78b15180c18396b9d35e4dbdc40f8cb
--- /dev/null
+++ b/3second/train/7100102Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d50732a6bc48e15203ab24fde0016015b35ae4a916ae00a5dab006ea6eb0b5b
+size 133164
diff --git a/3second/train/71001030_segment0_3sec.wav b/3second/train/71001030_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..09ae232d25fca76db282a7940232c2cfa2ffcd50
--- /dev/null
+++ b/3second/train/71001030_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57418c70ada6e2cc9d7988e28129020c13511c9ebb2ab62377da9a1dedfc7be4
+size 149164
diff --git a/3second/train/71001035_segment0_3sec.wav b/3second/train/71001035_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..657178efe39664986dbff2e80a17a5a0948808a8
--- /dev/null
+++ b/3second/train/71001035_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59dc8ff4830fb144f695e3da65fd964afc4576696229451b5529f6dbbc7ede4a
+size 183884
diff --git a/3second/train/7100300B_segment0_3sec.wav b/3second/train/7100300B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..76a2c0ffc22ec276726d0c73e2b39a1e4206c8e5
--- /dev/null
+++ b/3second/train/7100300B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4a032f7be328a95a4149ff50df490798c8a33ea3a82a7d122cd4136bf8b6e1ef
+size 309864
diff --git a/3second/train/7100300G_segment0_3sec.wav b/3second/train/7100300G_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c90d7b14df5a89592e35ee086e8ff2db9e8f4aa5
--- /dev/null
+++ b/3second/train/7100300G_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8dcf19d4537d7f2a753f6fca435dfc1a8ca01b6fe98bcd5f0b3e8089e00af5a8
+size 309864
diff --git a/3second/train/71004004_segment0_3sec.wav b/3second/train/71004004_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aab34a41773bb5e53d6bc696dec12bc9fa4acea1
--- /dev/null
+++ b/3second/train/71004004_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eed92629bb8e7608bf6945a0e093f1a2906452e47febbd9c4ec9aa9ac456fe64
+size 261324
diff --git a/3second/train/7100401E_segment0_3sec.wav b/3second/train/7100401E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..cc98ab2374154eebc8436f5118b0625dea71605e
--- /dev/null
+++ b/3second/train/7100401E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:603291282affc12a58154e01630c1ee262eb3f13d73f331b690296ed688c582c
+size 171404
diff --git a/3second/train/71008008_segment0_3sec.wav b/3second/train/71008008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a158bb0d41f18e61e58761c98cfdfc506cf65ecd
--- /dev/null
+++ b/3second/train/71008008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eef4f9bf90cf7e01eb755d3427f86f90cdb69e29f5a39c68d87bf24b17688b6d
+size 249644
diff --git a/3second/train/7100801I_segment0_3sec.wav b/3second/train/7100801I_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aa59d11c7aeadc19ded30335291e4449ad81c589
--- /dev/null
+++ b/3second/train/7100801I_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:836a86e3fb8919111477a7ccb6eea8d92d50a1a2b3adf635472b17f1f6c258f9
+size 263724
diff --git a/3second/train/71012002_segment0_3sec.wav b/3second/train/71012002_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..520c7285e356eb03c236b319999ea4dc060b9021
--- /dev/null
+++ b/3second/train/71012002_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef55337b21eaf80d444461d5b166c52d2e3277e29cbc0fe663b2ed719c4f569e
+size 14564
diff --git a/3second/train/71012007_segment0_3sec.wav b/3second/train/71012007_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..90a0311839ee4cfe1ed667a805d3a0a142cff7b0
--- /dev/null
+++ b/3second/train/71012007_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d064b07a574cf754b067d4282eed4d6463769cac2a05df7bc43adbf558059679
+size 12424
diff --git a/3second/train/72005005_segment0_3sec.wav b/3second/train/72005005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..197a3deac3cff7c2a66233896b130c33a32937a3
--- /dev/null
+++ b/3second/train/72005005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f41a41d77c31f2e0936a33d733d917417f74f34c57856416f1d95c414e826b3
+size 303770
diff --git a/3second/train/7200500H_segment0_3sec.wav b/3second/train/7200500H_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bb797cfedccde4ccbc6b1e50a59def70a2fc7a39
--- /dev/null
+++ b/3second/train/7200500H_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7b2edee324abbf32ce0387c39abdb17d6943bd48beb5f91bad64025b61fd180
+size 205720
diff --git a/3second/train/7200500M_segment0_3sec.wav b/3second/train/7200500M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..404f3397438b415273aceccdf3d2440ddd78286f
--- /dev/null
+++ b/3second/train/7200500M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ab2095debbd7d169b3aa70d68037c6d95c632e1f0e5c3554379a7ee3ae28834e
+size 238322
diff --git a/3second/train/7200500V_segment0_3sec.wav b/3second/train/7200500V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..5ba748b81733f2587c41f89feeb196a891b88ae4
--- /dev/null
+++ b/3second/train/7200500V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59c648324c41cc4f4b52309513ee53803b208952613854dbfaa3379e899b44ac
+size 291772
diff --git a/3second/train/7200703B_segment0_3sec.wav b/3second/train/7200703B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0f83f5128454c6679a0921a22f83a366d4ecb6eb
--- /dev/null
+++ b/3second/train/7200703B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:25d1e2fc97d6b2090590b00b55833f8282f8c09226fc049c1fac318bbd196d93
+size 326580
diff --git a/3second/train/72014008_segment0_3sec.wav b/3second/train/72014008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4a16ec4e14eb0db7c94eeeed895b72175be5d276
--- /dev/null
+++ b/3second/train/72014008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:912b5a611d959b1a659d4b1c0d26155915f4c53ec015f824a0bcd1466184eb12
+size 24660
diff --git a/3second/train/72019003_segment0_3sec.wav b/3second/train/72019003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..37b87002626b3f96572865cd4a9b1f2d624d186f
--- /dev/null
+++ b/3second/train/72019003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18e692ef7f58b8ffff75eb57c9c3864125015bfbd8931b11225030662629d063
+size 74344
diff --git a/3second/train/7500301O_segment0_3sec.wav b/3second/train/7500301O_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0e2bb4164318fb2b843dc6edcf68809309dc3e5b
--- /dev/null
+++ b/3second/train/7500301O_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:663574e6024feb01c8002b077572ef7adb1643a653d6db38f29769d6058ed395
+size 323180
diff --git a/3second/train/7500302U_segment0_3sec.wav b/3second/train/7500302U_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8626d9668aa246058f2b180f3e3aa791becd546d
--- /dev/null
+++ b/3second/train/7500302U_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9b3497878aebd0955a02b87ab6ad28fbef6881fc4350c259939b183d02b82d6
+size 384706
diff --git a/3second/train/7500304H_segment0_3sec.wav b/3second/train/7500304H_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..dd1c126ff3ed900b093d54a8182cb7bf2aaf658a
--- /dev/null
+++ b/3second/train/7500304H_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:72de490b031bab3a43df02345a0c3a845a9ba46773df36f365f2658d5a23c61a
+size 367080
diff --git a/3second/train/7500305Z_segment0_3sec.wav b/3second/train/7500305Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..25ab1e36c8d23d9d86bd1f00ee84952d1d42f798
--- /dev/null
+++ b/3second/train/7500305Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04ff6a288fb9f8339cd4453e4247f4a8ea654e799230a6e01aba9e3d445b8fc0
+size 125054
diff --git a/3second/train/7501400B_segment0_3sec.wav b/3second/train/7501400B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b369c43c23ca7a04654b5281ed136f401f4094de
--- /dev/null
+++ b/3second/train/7501400B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:37ef5a64a5235dd820d21d1d84822e7e14d8b969d121546295a4d997f11701c6
+size 232368
diff --git a/3second/train/7501400Y_segment0_3sec.wav b/3second/train/7501400Y_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a145c971e7bab62df93d787e379da48205027fc4
--- /dev/null
+++ b/3second/train/7501400Y_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29d989af91ec3fff27bc864388894949974a4729f822615094c7b34690c55d68
+size 232368
diff --git a/3second/train/75014016_segment0_3sec.wav b/3second/train/75014016_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..1eb07008aa1242002f0719013c4106315249fe3d
--- /dev/null
+++ b/3second/train/75014016_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3aa9b55627cfb100d077ad876734ccf2c5d63aebc6c900eecc6986772ce95e05
+size 232368
diff --git a/3second/train/7702800V_segment0_3sec.wav b/3second/train/7702800V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7171505b7ffc90a777670e646cbb13787a60a6ee
--- /dev/null
+++ b/3second/train/7702800V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be9173b06eaad4cb23f4243896ab0ae026840b552a587a9905da7056521d63fd
+size 170600
diff --git a/3second/train/7702801D_segment0_3sec.wav b/3second/train/7702801D_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..58f8f3b0ac0d5b94b20da4ed44e436dc7c050e37
--- /dev/null
+++ b/3second/train/7702801D_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8973b3683dc4f89919115ff9c5f82b6c22c9ad7ed58c73bf377c9d7557b296cd
+size 223848
diff --git a/3second/train/77034006_segment0_3sec.wav b/3second/train/77034006_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6160dc32e96dfa6a3460ffe04a6cb12015f95f61
--- /dev/null
+++ b/3second/train/77034006_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eaa6bc4df461e2b6389887a62121c34f39f697ebe90a79c5c6b318fdbe06c2e6
+size 147172
diff --git a/3second/train/7703400P_segment0_3sec.wav b/3second/train/7703400P_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2edfcad806473089ee9f46691683724f5261d1f3
--- /dev/null
+++ b/3second/train/7703400P_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:634c0342495fb3308dbe6f5252cbb1921546757e19387b9c3592d2a0cfe8e276
+size 118336
diff --git a/3second/train/7900200Y_segment0_3sec.wav b/3second/train/7900200Y_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4899092ca2bbb345bf1cc0eda9bdd900681a4b9e
--- /dev/null
+++ b/3second/train/7900200Y_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a24c1819de09b1e7e0ad70f03d0680bbc864012318c23d85e41a2c9096fe576c
+size 18700
diff --git a/3second/train/79002013_segment0_3sec.wav b/3second/train/79002013_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e325ecf20db2c3394f5c235e34514269648988ef
--- /dev/null
+++ b/3second/train/79002013_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18635eb80de90a11aa59283339ded419157deb83d03f9808fe05b86e4f7c6485
+size 15188
diff --git a/3second/train/79006014_segment0_3sec.wav b/3second/train/79006014_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..f8acc44aaec1b2a5e282fd7fa0466b5c03c89e04
--- /dev/null
+++ b/3second/train/79006014_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5d21fdc434e81df7828e8e0100da64293e27db3d8d9f958612154c53964114b
+size 196324
diff --git a/3second/train/81015002_segment0_3sec.wav b/3second/train/81015002_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..21b77c1884b3df2b8a18c0819d0a08ca3f2eb822
--- /dev/null
+++ b/3second/train/81015002_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:71b9f47cc03d8c2ab725528e4c8d18dde0b3aa104f6a8a4f8cb087b325ce4664
+size 77910
diff --git a/3second/train/8103700E_segment0_3sec.wav b/3second/train/8103700E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..15553b60bc6e54a5bcc4f75e9d934d9083636415
--- /dev/null
+++ b/3second/train/8103700E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:846cd3011961e6a710eedfad665031d7c200910ddc57b23880752c962db49489
+size 116370
diff --git a/3second/train/81037011_segment0_3sec.wav b/3second/train/81037011_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d563502314336f905a5c776be7fadc379e2ea4fa
--- /dev/null
+++ b/3second/train/81037011_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:187fe9841c06314046f7f61c243b45000e244218c30b6027915de01f1ef5234a
+size 31664
diff --git a/3second/train/8300200C_segment0_3sec.wav b/3second/train/8300200C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3f2274a1a159b5260502c62cea0983c72c448ccb
--- /dev/null
+++ b/3second/train/8300200C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb811a36282f19ffa9f076e13649ee996181ec21b7a9c69b8ef8511569fe558b
+size 23708
diff --git a/3second/train/8300600D_segment0_3sec.wav b/3second/train/8300600D_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2ce682e2ffd502b11ea3d0e7ea14bee622f23fcf
--- /dev/null
+++ b/3second/train/8300600D_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7474ed41c04da461786f98a0d5f2b92e43ebd478a1e08793a0366ff482e90467
+size 338700
diff --git a/3second/train/8300601V_segment0_3sec.wav b/3second/train/8300601V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..f20124449168708ad6f76b0bcbcd3635f3f815b3
--- /dev/null
+++ b/3second/train/8300601V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d29e412b5fce5b125b70724991fea7e67bd1019e78600516a9b3296740d697a9
+size 735748
diff --git a/3second/train/8300604J_segment0_3sec.wav b/3second/train/8300604J_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..1110cf007775aa08b6e3997e3af652bb9c9e08f2
--- /dev/null
+++ b/3second/train/8300604J_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1ec0e58d42bf3608726f774391b4fbf5cdb955d52b273aebfdc8df6ed3523719
+size 189968
diff --git a/3second/train/8300604Q_segment0_3sec.wav b/3second/train/8300604Q_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aa96c44d8d276717e5dc6c023a3be76ddaad9a8f
--- /dev/null
+++ b/3second/train/8300604Q_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59c26d976e5e37b7abec50fb995f03270937e0fa4f1c2c0316c401c6c83e4cbd
+size 178804
diff --git a/3second/train/8500701C_segment0_3sec.wav b/3second/train/8500701C_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..660382c0147a39c911aff3a292c35cc785ad4338
--- /dev/null
+++ b/3second/train/8500701C_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ba8540a95c79fce03a397c0f1281d2a93d9a717f8d5fc4ab277f8420e48571c
+size 199474
diff --git a/3second/train/8500701F_segment0_3sec.wav b/3second/train/8500701F_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6ed3bae85a262d46830b59f8c1fd40d743c62ac4
--- /dev/null
+++ b/3second/train/8500701F_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1ef0fe6a85f79880c33ff944daf41baeee29373bafbf4c224313a6a00953b242
+size 380462
diff --git a/3second/train/85009005_segment0_3sec.wav b/3second/train/85009005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b8e31ed7955fd5e95d74173a2a2df94aed4a2dd9
--- /dev/null
+++ b/3second/train/85009005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2771c2b0ec94cd2e7a5356238c61c36520a2c9470bbd1590799758d6de5f8838
+size 178184
diff --git a/3second/train/8500900M_segment0_3sec.wav b/3second/train/8500900M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..cb8a2805868dece4a930d2f6ffd5c5d7756b4217
--- /dev/null
+++ b/3second/train/8500900M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:20a17bd89ecd67de1f295ebb383e88bb94f66d2bc8d8fed9d2047987e5b16769
+size 56896
diff --git a/3second/train/8500900S_segment0_3sec.wav b/3second/train/8500900S_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..37c3aef7ee422c9383a3d08f99fee0436d83524b
--- /dev/null
+++ b/3second/train/8500900S_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9563ed903d00592c4f37c444eb005f7c1891cbb401a49dd4cbdf34f6c0926f78
+size 62958
diff --git a/3second/train/85014001_segment0_3sec.wav b/3second/train/85014001_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ad6b036a220b51b53c684c9072583abdc41ccace
--- /dev/null
+++ b/3second/train/85014001_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d0d4d0ba8dfda40e87dadb010c11c5a6b5507035019261dafb1faa8aa463357
+size 221718
diff --git a/3second/train/8501400R_segment0_3sec.wav b/3second/train/8501400R_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2d9562c09d4b284bda1c3e5b43984df2a8823bf8
--- /dev/null
+++ b/3second/train/8501400R_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cc9850abb030c9edb8c493e264fc8e5dce7fda83aa62a3f698974c433bc0c1d
+size 120138
diff --git a/3second/train/8800601L_segment0_3sec.wav b/3second/train/8800601L_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d37b9b1589153a38c7afc3edff0b67394c74bcb8
--- /dev/null
+++ b/3second/train/8800601L_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15379da8a2ec23e14849697ed4cc9cf67929689b74b7d4f1ff25d1987c96d06e
+size 51244
diff --git a/3second/train/89514005_segment0_3sec.wav b/3second/train/89514005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..1d8fc41d459d7456eddcaa14ba157836ed72f3b6
--- /dev/null
+++ b/3second/train/89514005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aaf66706da7999415eb99d1d56d09d24f49fbecc3db36e137bf2e5d756b54d7a
+size 307244
diff --git a/3second/train/9004401Z_segment0_3sec.wav b/3second/train/9004401Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2b644a403bd692295a95ba1e196716f0e3c3ffd0
--- /dev/null
+++ b/3second/train/9004401Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30f473a110a3dd53c28f394f5bb0bb2ae7b48c3f6451d5d00958491cb7781d78
+size 95670
diff --git a/3second/train/9100501T_segment0_3sec.wav b/3second/train/9100501T_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6b24d6cc2158d7070ba73209c55df23009f06b3e
--- /dev/null
+++ b/3second/train/9100501T_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06fba1d23453ec7af673435926a5084870e63cfb67658cb36779042865146392
+size 43484
diff --git a/3second/train/91008005_segment0_3sec.wav b/3second/train/91008005_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6d0e8a7cd0a2cad5ae9478fd58a4731cec8fa41c
--- /dev/null
+++ b/3second/train/91008005_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:18f0739402b9761613311046c09cdcfd0682af3223f9fecadd4db7be87618b42
+size 309864
diff --git a/3second/train/9101200B_segment0_3sec.wav b/3second/train/9101200B_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..129919d21fa3c5a9192e425ae31d042db0456119
--- /dev/null
+++ b/3second/train/9101200B_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:23a3724bfea2fd1c5d0a45adf5c0bacb14610808a0b182c6a0891d87c9b01b61
+size 185346
diff --git a/3second/train/91012022_segment0_3sec.wav b/3second/train/91012022_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..51df78e4deb4c3a01dd3548abf6345200d200dd5
--- /dev/null
+++ b/3second/train/91012022_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:317b04e27c1c8435c619dcdf2547d75833e952a46a2137e1a88c224e7798a944
+size 139798
diff --git a/3second/train/9101203X_segment0_3sec.wav b/3second/train/9101203X_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4a7205a810a5109dbdba435e7b422dc47267e3d5
--- /dev/null
+++ b/3second/train/9101203X_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f4fda495cfaa42e19407bfe917af2265bc20ca399f1ffdf24c912604d9c162a
+size 10856
diff --git a/3second/train/91012041_segment0_3sec.wav b/3second/train/91012041_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4c117f96dc73c59a8022e8f74a220cb62df738ae
--- /dev/null
+++ b/3second/train/91012041_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:082a6a828ed15e189bf797c9a6ff79de676fc49b590bc8ab866fdbc281829af9
+size 13478
diff --git a/3second/train/91012044_segment0_3sec.wav b/3second/train/91012044_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7d7a970b0ff2fafe654035e74a964e3fae25c825
--- /dev/null
+++ b/3second/train/91012044_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d54ffb46e3fa84e37dd79a841ea3713dd29a0cddb13e060a77d9a3e6c81a7483
+size 17902
diff --git a/3second/train/91013008_segment0_3sec.wav b/3second/train/91013008_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3f35d7907a98e7a3ef24ff2434d881fb86e787c3
--- /dev/null
+++ b/3second/train/91013008_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b0e502ec027a768f26b817633845a5574909e4260b3fad4e3fc13f8bafdb590
+size 309864
diff --git a/3second/train/9101300E_segment0_3sec.wav b/3second/train/9101300E_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8c3206f881c39dfedfd133af95628aa50e8324ff
--- /dev/null
+++ b/3second/train/9101300E_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30438d7618bd06a608185a45ae1cb055ad9b122a03e7b8e82968036bd83ac8ac
+size 309864
diff --git a/3second/train/91013014_segment0_3sec.wav b/3second/train/91013014_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..0dce6cd63ab15ef1a12c9383163edd1378d8290a
--- /dev/null
+++ b/3second/train/91013014_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc2433b14a8322a83d709e9d0b4d54fde6d3910fb1910fa0805b75119eb5246a
+size 245804
diff --git a/3second/train/9400801U_segment0_3sec.wav b/3second/train/9400801U_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d9901e7ae9e67dcfa7215f0c6e44e827b74972eb
--- /dev/null
+++ b/3second/train/9400801U_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e01cb5998f1b49f867e5ee46589daef4fdb6195fdd409bb5078f6c4484cf93ab
+size 173644
diff --git a/3second/train/9400807S_segment0_3sec.wav b/3second/train/9400807S_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..805011389b7c7bb6ecd98a3bda5c6cd6e01d3c6f
--- /dev/null
+++ b/3second/train/9400807S_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d20cd82ca575ad0b9c2f431c8d825194adf5da4579087b336021e6637c4340f5
+size 161804
diff --git a/3second/train/9400807V_segment0_3sec.wav b/3second/train/9400807V_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7e540786533ce66591a24ccda569e2573896e268
--- /dev/null
+++ b/3second/train/9400807V_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3001531405dad5a5f65de661d405ed2f881f7903a4e26d634baf9d96b3cec0cc
+size 117004
diff --git a/3second/train/95003003_segment0_3sec.wav b/3second/train/95003003_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d0c28c71b6540f841ae73dbe813b249da55c2901
--- /dev/null
+++ b/3second/train/95003003_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4804512752fd60d7eb98ae6569734abaf73166ca49f622de41a7da8143a044e5
+size 227724
diff --git a/3second/train/9750300Z_segment0_3sec.wav b/3second/train/9750300Z_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..5e8a0a774af5e3b1105185739458ecb04f51c828
--- /dev/null
+++ b/3second/train/9750300Z_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edccb3b4335fa280c20853014c48152ee00582781e54b1ca99b9a29bbdd4bb0b
+size 101746
diff --git a/3second/train/9750301M_segment0_3sec.wav b/3second/train/9750301M_segment0_3sec.wav
new file mode 100644
index 0000000000000000000000000000000000000000..c3380a4e171c3b0c80ed8c84e6aca1386234dc91
--- /dev/null
+++ b/3second/train/9750301M_segment0_3sec.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c0323d772c95d9f567afa025ae1474a328442b63539947d60e72279f6aeb40c
+size 45946