audio/aac
The MIME type for AAC audio — MP3's successor, common in streaming and video soundtracks.
Typical extensions
Primary uses
- Music streaming
- Video audio tracks
- Podcast AAC deliverables
In a browser
Every major browser plays AAC natively.
On a server
Static delivery with Range support. HLS distributions often wrap AAC in `.m4a` segments.
In email
Apple Mail plays inline; MP3 still has broader compatibility.