diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index ef3977a527..e067f9ddfc 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -12,9 +12,10 @@
     *   Limit parallel download removals to 1 to avoid excessive thread creation
         ([#10458](https://github.com/google/ExoPlayer/issues/10458)).
 *   Audio:
-    *   Adds AudioOffloadListener.onExperimentalOffloadedPlayback for the
+    *   Adds `AudioOffloadListener.onExperimentalOffloadedPlayback` for the
         AudioTrack offload state.
         ([#134](https://github.com/androidx/media/issues/134)).
+    *   Make `AudioTrackBufferSizeProvider` a public interface.
 *   Metadata:
     *   `MetadataRenderer` can now be configured to render metadata as soon as
         they are available. Create an instance with
diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
index 4d6d7d1f4d..1677c0636b 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
@@ -234,7 +234,7 @@ public final class DefaultAudioSink implements AudioSink {
   }
 
   /** Provides the buffer size to use when creating an {@link AudioTrack}. */
-  interface AudioTrackBufferSizeProvider {
+  public interface AudioTrackBufferSizeProvider {
     /** Default instance. */
     AudioTrackBufferSizeProvider DEFAULT =
         new DefaultAudioTrackBufferSizeProvider.Builder().build();