Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ default/academicodec_hifi_16k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/academicodec_hifi_16k_320d_large_uni/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/academicodec_hifi_24k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/original/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/audiodec_24k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/audiodec_24k_320d/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a000fd477af6891c8935ca2e4be55014d3ec6d5b2986fc42f31c6c138d28ff5f
+size 482619392