Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ default/original/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_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/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 sha256:17372477e74b4e43ddfb724a66c1cd124c2e5e1b2f6c9ce013136f4712f27fda
+size 336605184