AAC
A lossy audio coding format from the MPEG family widely used for music, streaming, broadcasting, mobile media, and audio tracks inside MP4-family containers.
General information
- Format name
- Advanced Audio Coding
- Extension
.aac- MIME type
audio/aac- Category
- audio
- Data type
- Binary
- Developer
- Moving Picture Experts Group
Media properties
- Compression
- Lossy
- Common codecs
- AAC-LC, HE-AAC, HE-AAC v2
Common uses
Music streaming
Broadcast audio
Mobile audio
Video soundtracks
Downloaded music
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| Media Types Registry | IANA | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026