Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ default/funcodec_en_libritts_16k_nq32ds640/partial-index.duckdb filter=lfs diff=
 default/speech_tokenizer_16k/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/encodec_24k_6bps/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/original/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/audiodec_24k_320d/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/audiodec_24k_320d/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d59a930d5867d640f485c27d83f911526df6cad5c38fc8072cf3f80da5bb0454
+size 4481363968