diff --git a/original_audios/fold3_room12_mix007.wav b/original_audios/fold3_room12_mix007.wav
new file mode 100644
index 0000000000000000000000000000000000000000..92932f140b5dc4beb296dc212346c61cefc4cede
--- /dev/null
+++ b/original_audios/fold3_room12_mix007.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a647347290cdddafda23e3d69584cbadbe4568e433a34b858ad9d7cdcb2bf156
+size 47758372
diff --git a/original_audios/fold3_room12_mix008.wav b/original_audios/fold3_room12_mix008.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7b03e8429c838f143989c3954278376bc1fcec7c
--- /dev/null
+++ b/original_audios/fold3_room12_mix008.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2470b437f42636bc16d47dc7fea199c01995359c0399b9c04b899df5f6123eb5
+size 47062068
diff --git a/original_audios/fold3_room13_mix003.wav b/original_audios/fold3_room13_mix003.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ec92a50ed5091201e353628ec0f124e1ec690236
--- /dev/null
+++ b/original_audios/fold3_room13_mix003.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:944e7deb554afce8efcdbc3f74ca76bf149c2d250a343882ccb86adef689f4ca
+size 39173164
diff --git a/original_audios/fold3_room13_mix006.wav b/original_audios/fold3_room13_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..faa11069b398c07b1dcf5798fcb05b7eebdd9c85
--- /dev/null
+++ b/original_audios/fold3_room13_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5f9d2c18bcb9ed1cfa281b12857b4cdb01ff5ac23c6d335b9f802c73612d9ea
+size 59100204
diff --git a/original_audios/fold3_room13_mix008.wav b/original_audios/fold3_room13_mix008.wav
new file mode 100644
index 0000000000000000000000000000000000000000..43acdb0ce880f5545ffb801e29ba8b36446ed4ea
--- /dev/null
+++ b/original_audios/fold3_room13_mix008.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea9b50f800d5e0f6956294eaf1438287d7e9ced2b49b664b246772e84557e78b
+size 45284396
diff --git a/original_audios/fold3_room13_mix009.wav b/original_audios/fold3_room13_mix009.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b6daa1f38ebbdf049c7d8d4493758277cd483521
--- /dev/null
+++ b/original_audios/fold3_room13_mix009.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:22f817036b6bb5c89b1655db496f31a2c6921a99eecc606e99da0e6345268811
+size 74611756
diff --git a/original_audios/fold3_room14_mix001.wav b/original_audios/fold3_room14_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2f2e14ba11b01f3005013d8815efceb61a215b07
--- /dev/null
+++ b/original_audios/fold3_room14_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a18aaff1562a5a1dc8f568f2bbc2bb40c12b66675aca306a2bbc504d26d9a900
+size 20450340
diff --git a/original_audios/fold3_room14_mix003.wav b/original_audios/fold3_room14_mix003.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e251ee53ece47ff6cf6f2d08b69110b5ae0201c5
--- /dev/null
+++ b/original_audios/fold3_room14_mix003.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9149218d20bf6d10fa556ed3052646ce35a6df9fe07f77c3a6210165cc7dc4e0
+size 7846948
diff --git a/original_audios/fold3_room21_mix001.wav b/original_audios/fold3_room21_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7511ad14a3553ecbe5b8fe72fce47fbf295bcd99
--- /dev/null
+++ b/original_audios/fold3_room21_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4be4ac53dd0a0a0ac5c71f1a5ac9e6c4c4559c8457b082914e8fa7a084567224
+size 17164844
diff --git a/original_audios/fold3_room21_mix006.wav b/original_audios/fold3_room21_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..51978baed0bc6cedd0c23ee0a2e89352bbfa4732
--- /dev/null
+++ b/original_audios/fold3_room21_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:efd3c91df66b356f0a27748329945b4befa1f863dcb818b2dbbec86a3e822e3b
+size 7276844
diff --git a/original_audios/fold3_room21_mix013.wav b/original_audios/fold3_room21_mix013.wav
new file mode 100644
index 0000000000000000000000000000000000000000..65396b2b58987baf95fe9d4844d7264e3973d877
--- /dev/null
+++ b/original_audios/fold3_room21_mix013.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd85d0459e75067f18a60c77d6bfa4484188da0b8317140292ec149c27666cf7
+size 12480044
diff --git a/original_audios/fold3_room21_mix020.wav b/original_audios/fold3_room21_mix020.wav
new file mode 100644
index 0000000000000000000000000000000000000000..25b9691c12f9b1e280c0a44c82ee6165ac660b49
--- /dev/null
+++ b/original_audios/fold3_room21_mix020.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c0cb1e8219239e8a6cf3adb84f1a03da4d3897c6379257861a27dff41a623a5
+size 24499244
diff --git a/original_audios/fold3_room21_mix026.wav b/original_audios/fold3_room21_mix026.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ed8024f8433a3c4df17d7c72f6a9da8becb20385
--- /dev/null
+++ b/original_audios/fold3_room21_mix026.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:527f282e44f94ea6a0fe3cef2fad9ae65f613f3301012b144baa78b864881650
+size 49900844
diff --git a/original_audios/fold3_room21_mix029.wav b/original_audios/fold3_room21_mix029.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b0ab4242e7b75104097c67ee02703284134a97bc
--- /dev/null
+++ b/original_audios/fold3_room21_mix029.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:906f89d2dc70ef1680c5adfddb121c214ce2f360eab842a56e663f0d5ffd54d8
+size 39571244
diff --git a/original_audios/fold3_room22_mix002.wav b/original_audios/fold3_room22_mix002.wav
new file mode 100644
index 0000000000000000000000000000000000000000..84a45d33140d89dbc4d9c3a6ef9150578bc0c381
--- /dev/null
+++ b/original_audios/fold3_room22_mix002.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:244c83dd275c8d959fbbd2335bf93cc6e91df3e948715e0d8bd6da6e3cc6d107
+size 22944044
diff --git a/original_audios/fold3_room22_mix005.wav b/original_audios/fold3_room22_mix005.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b00c3ed61bc3d788cd791ab996790d415d0af42e
--- /dev/null
+++ b/original_audios/fold3_room22_mix005.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:37ce088ad741ae5f78701c82d55c7fab0b219fdc6b7ed64956b07fe4fdb3d64e
+size 25632044
diff --git a/original_audios/fold3_room22_mix007.wav b/original_audios/fold3_room22_mix007.wav
new file mode 100644
index 0000000000000000000000000000000000000000..122a6396bea2209cce6116cbfe841db2fb868ed9
--- /dev/null
+++ b/original_audios/fold3_room22_mix007.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:643390f8556a49857429b6008a908456cba4227bd908383d91edbd3664cc7aa2
+size 24211244
diff --git a/original_audios/fold3_room22_mix008.wav b/original_audios/fold3_room22_mix008.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ef54d2d9b2235dd954a18729b3c7c7b1eba27348
--- /dev/null
+++ b/original_audios/fold3_room22_mix008.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8007a5d7599a87f73e7ec4ac2331d38f1a173bd0e5ee80933c15bd143ae76f70
+size 18240044
diff --git a/original_audios/fold3_room22_mix009.wav b/original_audios/fold3_room22_mix009.wav
new file mode 100644
index 0000000000000000000000000000000000000000..87718f39adc7af27ef7f0443c92f80ce0634c1ea
--- /dev/null
+++ b/original_audios/fold3_room22_mix009.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f4f6539ba96e667f24f85d1c3121bcb2ca7d6f8e475237e8e3d89f18b309815
+size 16396844
diff --git a/original_audios/fold3_room22_mix011.wav b/original_audios/fold3_room22_mix011.wav
new file mode 100644
index 0000000000000000000000000000000000000000..b7eb4c86da0b8695108e199e0b9b634c45c2149b
--- /dev/null
+++ b/original_audios/fold3_room22_mix011.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7e5a3fa9b741b67c1ada1536f96a8b6df27adad93fa7a6b6a8503f0e4336ff56
+size 35520044
diff --git a/original_audios/fold3_room4_mix001.wav b/original_audios/fold3_room4_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e1860dfec0cc595d533c637b49c5d3343cf9ca59
--- /dev/null
+++ b/original_audios/fold3_room4_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:347be0340b1c3f359be0ea0e1c9d19e7f12194c8de5a3af779bb64ab8728fd19
+size 24783404
diff --git a/original_audios/fold3_room4_mix004.wav b/original_audios/fold3_room4_mix004.wav
new file mode 100644
index 0000000000000000000000000000000000000000..9474f60f0fe75a4d6ad5ee9638d5dc6d7a55910a
--- /dev/null
+++ b/original_audios/fold3_room4_mix004.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b428bc3f1d6b50c04cd0469fc46efee8828deb49ba64c0e8af770f2c10ca7690
+size 30669356
diff --git a/original_audios/fold3_room4_mix005.wav b/original_audios/fold3_room4_mix005.wav
new file mode 100644
index 0000000000000000000000000000000000000000..3c4dfd711d6f4341a09c61f2d8862a61b31d6a58
--- /dev/null
+++ b/original_audios/fold3_room4_mix005.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b89ebacee4007f809d0377e7e08c188627eff0b9684381f61165b32648f9fc1
+size 21015068
diff --git a/original_audios/fold3_room4_mix006.wav b/original_audios/fold3_room4_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..fdbabae4da7a70b2a69500c730379648077de063
--- /dev/null
+++ b/original_audios/fold3_room4_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c4d1e65382746fda0ee0abf9e6f74c67853ceec3be241e7123235442a925c448
+size 34904620
diff --git a/original_audios/fold3_room6_mix002.wav b/original_audios/fold3_room6_mix002.wav
new file mode 100644
index 0000000000000000000000000000000000000000..804793bad28838c45add7cc34d07b806b449046f
--- /dev/null
+++ b/original_audios/fold3_room6_mix002.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae8b1c68e66e92fe6250777a3c73f526e938b927bab922fe4f755252bca9147d
+size 49494572
diff --git a/original_audios/fold3_room6_mix003.wav b/original_audios/fold3_room6_mix003.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a695c16f16d739d499585b95bf1b0ac1777d48b2
--- /dev/null
+++ b/original_audios/fold3_room6_mix003.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:50b99d1ec527e264b9648e2f2a4ef835dde8cbcbba6aa324857204fe9a81a281
+size 61811244
diff --git a/original_audios/fold3_room6_mix004.wav b/original_audios/fold3_room6_mix004.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4afb2feec10a5cb02ad07fe862fef3768e26c4d8
--- /dev/null
+++ b/original_audios/fold3_room6_mix004.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3aee938254cf595507ce85352174a5928a2d8eeb0ed01da8827d224b1f363c6c
+size 55585316
diff --git a/original_audios/fold3_room9_mix007.wav b/original_audios/fold3_room9_mix007.wav
new file mode 100644
index 0000000000000000000000000000000000000000..e727918a4efe3318665584a89c924be771a466fd
--- /dev/null
+++ b/original_audios/fold3_room9_mix007.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:357f11af243ffbdaf964ebcf27100145fa8e4d0a7e01c125f76f704c2ec18db3
+size 30796332
diff --git a/original_audios/fold4_room10_mix006.wav b/original_audios/fold4_room10_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..4bb3f98fdeafb728fa0de0fa13143924ed39d52e
--- /dev/null
+++ b/original_audios/fold4_room10_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9d08d880a39667edb3a30ed541c08f001c5277bdca238f0159c08c4d9038dbf
+size 32733740
diff --git a/original_audios/fold4_room10_mix009.wav b/original_audios/fold4_room10_mix009.wav
new file mode 100644
index 0000000000000000000000000000000000000000..fc131ca7e66f781731f2fce80771b1f7bffad4c4
--- /dev/null
+++ b/original_audios/fold4_room10_mix009.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:075ac18d469e128b8a8af95892e80d805185cfb3e25d024d15314835c0dfc4f8
+size 31107628
diff --git a/original_audios/fold4_room16_mix001.wav b/original_audios/fold4_room16_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..cdff112eccd10a1fc2644e898786be65ec010aef
--- /dev/null
+++ b/original_audios/fold4_room16_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:61fa3395792e39ce267959f26ff61098a7322a7037e321fcc47861b510c3b032
+size 42203700
diff --git a/original_audios/fold4_room16_mix003.wav b/original_audios/fold4_room16_mix003.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6ba0aaec0749ff90ec62ee71035394741785596e
--- /dev/null
+++ b/original_audios/fold4_room16_mix003.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3a67a0e3d23e35e5d589e127b3435e5d60930effb7b1c68768567577ea61f5f
+size 25181228
diff --git a/original_audios/fold4_room16_mix005.wav b/original_audios/fold4_room16_mix005.wav
new file mode 100644
index 0000000000000000000000000000000000000000..7948bb5142fc640adfb2347618b7b7988feaee15
--- /dev/null
+++ b/original_audios/fold4_room16_mix005.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb4eebf1f299c70b7ed8875d87fda90e0a64d25f580db1e9d52ac8103a72a29f
+size 9175596
diff --git a/original_audios/fold4_room16_mix006.wav b/original_audios/fold4_room16_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8c1362a502cef34722e1b8c1846f501d3cf2202d
--- /dev/null
+++ b/original_audios/fold4_room16_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d654b87b709c744f908bfe51d196ddcb5126cd7ad16e3c773e5ccafcee4b815
+size 33783340
diff --git a/original_audios/fold4_room16_mix009.wav b/original_audios/fold4_room16_mix009.wav
new file mode 100644
index 0000000000000000000000000000000000000000..a1196df6b2853e797e6fa8cd472ef19ae8e28051
--- /dev/null
+++ b/original_audios/fold4_room16_mix009.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6780f863f1fe672e41e2e66c78d42d01d62066207fd1050de0a7861b85d13db6
+size 16141356
diff --git a/original_audios/fold4_room23_mix003.wav b/original_audios/fold4_room23_mix003.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bdc07665315aea5b73cf09593a1becb7d39391d8
--- /dev/null
+++ b/original_audios/fold4_room23_mix003.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c4a6e4064321ad1d0b816fd2890017c75505e73587471390229a3f7cab2a48f
+size 8064044
diff --git a/original_audios/fold4_room23_mix004.wav b/original_audios/fold4_room23_mix004.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8714a77e2cde2441d174f5c90da71cc4a0c748a4
--- /dev/null
+++ b/original_audios/fold4_room23_mix004.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:72872b1edf868ff2dc3ccd9e016f5279494d0de911fd6731f58d39f3c803bf6e
+size 19622444
diff --git a/original_audios/fold4_room23_mix006.wav b/original_audios/fold4_room23_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..6b4b03b8da05d08bba9398187c3c3698ab4435bf
--- /dev/null
+++ b/original_audios/fold4_room23_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9292afc7a34a6ddfea1de4b9e7a8a61ab569e6ee4b779c2e3e151bf7e073d892
+size 20102444
diff --git a/original_audios/fold4_room23_mix009.wav b/original_audios/fold4_room23_mix009.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ca4243250aab886f777484aa07010212951710f9
--- /dev/null
+++ b/original_audios/fold4_room23_mix009.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b797e081ff947ea93a1764282c1fab4831f6d629715c752dfb2e4667e191cc9
+size 12480044
diff --git a/original_audios/fold4_room23_mix012.wav b/original_audios/fold4_room23_mix012.wav
new file mode 100644
index 0000000000000000000000000000000000000000..ffa2c77cf032f319f53b6b42f35c27ae7a8fca02
--- /dev/null
+++ b/original_audios/fold4_room23_mix012.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:626873d5771c3a953b176f1622de602c96c10b0fcb8c995c66a31847c6fab761
+size 18240044
diff --git a/original_audios/fold4_room24_mix001.wav b/original_audios/fold4_room24_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..772badd1f277813a45796d46bae7134ba7db8986
--- /dev/null
+++ b/original_audios/fold4_room24_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8842428f4ac6827910d9d697f5be8cd41e9859e39296f20f84559383b2f910a7
+size 34348844
diff --git a/original_audios/fold4_room24_mix005.wav b/original_audios/fold4_room24_mix005.wav
new file mode 100644
index 0000000000000000000000000000000000000000..bc7d51adc80ba7a0fb123cf1bc859fbd8ab1ee2c
--- /dev/null
+++ b/original_audios/fold4_room24_mix005.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f46b5fa58dc4400de1d4f6ba3b4ad2f72ace7c3d389a2e68febb6d1fa80554e4
+size 26361644
diff --git a/original_audios/fold4_room24_mix006.wav b/original_audios/fold4_room24_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..f14a39e356034fc0129cb3ba55bbb74708dadb50
--- /dev/null
+++ b/original_audios/fold4_room24_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9a64a35a5e244a0fa2f70bcfcb96979b13be8ae664dedb9bb7070ae577efcee
+size 27072044
diff --git a/original_audios/fold4_room24_mix010.wav b/original_audios/fold4_room24_mix010.wav
new file mode 100644
index 0000000000000000000000000000000000000000..da4a0976eec95f702cb5bbbce62deb6b7bf872d9
--- /dev/null
+++ b/original_audios/fold4_room24_mix010.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80625a7e718f290fd6923a632fb2d392a6652e253eac55281cfc03be35f1c59a
+size 13958444
diff --git a/original_audios/fold4_room24_mix011.wav b/original_audios/fold4_room24_mix011.wav
new file mode 100644
index 0000000000000000000000000000000000000000..dd37695260cfc4f3c7eea6a94a65fc63e6a8e568
--- /dev/null
+++ b/original_audios/fold4_room24_mix011.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58bf50d6894ddc0d4e3d27213a3c90f3a06e7d59a507ab197c557eef5c93f7b2
+size 12153644
diff --git a/original_audios/fold4_room24_mix016.wav b/original_audios/fold4_room24_mix016.wav
new file mode 100644
index 0000000000000000000000000000000000000000..8e063722e38ee58fdbce46159ca7165586d62b4e
--- /dev/null
+++ b/original_audios/fold4_room24_mix016.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c4973c65e0ffc91f793108aa89a70f4565097cefba3e042a577942d3f3c49900
+size 15321644
diff --git a/original_audios/fold4_room2_mix001.wav b/original_audios/fold4_room2_mix001.wav
new file mode 100644
index 0000000000000000000000000000000000000000..07a8f4aa5cd84bcaec7d4e13c754349ee311b84a
--- /dev/null
+++ b/original_audios/fold4_room2_mix001.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d081962966835fc1f910f69495c3411465090657b918f228410ba52ecf0192b2
+size 28662324
diff --git a/original_audios/fold4_room8_mix002.wav b/original_audios/fold4_room8_mix002.wav
new file mode 100644
index 0000000000000000000000000000000000000000..208a8f84088b51dc795bd83b039ca6777fff5082
--- /dev/null
+++ b/original_audios/fold4_room8_mix002.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8bfee7d4c7c1c2e75c89869861153eee937031309f4525159da428314695a60e
+size 36067876
diff --git a/original_audios/fold4_room8_mix004.wav b/original_audios/fold4_room8_mix004.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2350f9ca43e1ec325690908eadc0ea903d7f980e
--- /dev/null
+++ b/original_audios/fold4_room8_mix004.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d2691fe6e95be5ef62ee2df4700726076fd7b1815ea875e3f2c80566f0e2a99
+size 20408876
diff --git a/original_audios/fold4_room8_mix005.wav b/original_audios/fold4_room8_mix005.wav
new file mode 100644
index 0000000000000000000000000000000000000000..2588518cc00a006fe8d201003e2dc9c86be4f114
--- /dev/null
+++ b/original_audios/fold4_room8_mix005.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c71df09f3dfbe8caab993b7291b3dfe4e2f98ef34d44a76a3031987127a7577d
+size 33651244
diff --git a/original_audios/fold4_room8_mix006.wav b/original_audios/fold4_room8_mix006.wav
new file mode 100644
index 0000000000000000000000000000000000000000..d649c36e3b85dd6e6ea6d3271a749517392f4764
--- /dev/null
+++ b/original_audios/fold4_room8_mix006.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69d95e39996973fbec0b128921d94e749ca4c221d66c8c8d2c7349b3a901825c
+size 43211308