Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ default/funcodec_en_libritts_16k_nq32ds640/index.duckdb filter=lfs diff=lfs merg
 default/funcodec_zh_en_16k_nq32ds320/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/speech_tokenizer_16k/index.duckdb 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:e3903f46c09280fc68711e085ab81305692b8f0297bf5c97d65c271735bba488
+size 3133943808