Update duckdb index files

.gitattributes

@@ -73,3 +73,4 @@ default/encodec_24k_24bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -te
 default/funcodec_en_libritts_16k_gr1nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_en_libritts_16k_gr8nq32ds320/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/funcodec_zh_en_16k_nq32ds640/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/academicodec_hifi_16k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/academicodec_hifi_16k_320d/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:14ee3531486cea8ed2fd1175ba14e407ee8cc8f904a827b794c09d6da1547daf
+size 4782567424