Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+default/academicodec_hifi_16k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/academicodec_hifi_16k_320d/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a29545cd436ad594bea926ea71d676ba63a9a3e242133237a8d01893a713b0b6
+size 251408384