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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As of Version 12.2, the "M4A" format is obsolete.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.