M4A (.m4a, .mp4)
As of Version 12.2, the "M4A"
format is obsolete. Use "MP4"
both as an audio and video container.
Background & Context
- MIME types: audio/mp4M4A is a digital audio format and stands for MPEG 4 Audio.
- A perception-based lossy compression scheme commonly used for storage, transfer and playback that can also be used on the web.
- Binary file format.
- Follows the ISO/IEC 13818-7 standard.
- Supports a few sampling frequencies from 8kHz to 96kHz.
- Supports up to 48 audio channels.