diff --git a/library/src/main/java/com/google/android/exoplayer/extractor/mp4/AtomParsers.java b/library/src/main/java/com/google/android/exoplayer/extractor/mp4/AtomParsers.java
index f51e90d837..d2a9c25003 100644
--- a/library/src/main/java/com/google/android/exoplayer/extractor/mp4/AtomParsers.java
+++ b/library/src/main/java/com/google/android/exoplayer/extractor/mp4/AtomParsers.java
@@ -696,6 +696,9 @@ import java.util.List;
         mimeType = MimeTypes.VIDEO_H265;
         break;
       case 0x40:
+      case 0x66:
+      case 0x67:
+      case 0x68:
         mimeType = MimeTypes.AUDIO_AAC;
         break;
       case 0xA5: