Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ default/speech_tokenizer_16k/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_nq32ds320/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_3bps/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_zh_en_16k_nq32ds640/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/academicodec_hifi_24k_320d/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/academicodec_hifi_24k_320d/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ddcd2e2ddf0cd9a40f78df9ac69cefca05e93301c0b9722a9ea20aed4477b915
+size 1060864