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AAC to MTM - Online Audio Converter
Convert AAC to MTM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AAC to MTM
Drop AAC audio here or click to select
AAC
MTM (MTM)
About AAC to MTM
Convert AAC to MTM. AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. MTM (MultiTracker) sequences 32-channel DOS-era compositions. Old 32-channel layouts may fold down; check the mix..
Why convert AAC to MTM?
- Tiny files with MTM note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
AAC vs MTM
| Codec | AAC | MTM |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. | MTM (MultiTracker) sequences 32-channel DOS-era compositions. |
When not to convert AAC to MTM
- Skip MTM for recorded sound: it stores note events, not audio, so keep the AAC recording.
- Keep a master copy: repeated exports stack small losses, so archive AAC before batch MTM shares.
Limits
Starting point: AAC - Efficient lossy audio for streaming services. Container variants (ADTS, MP4) need matching extensions on export. Old 32-channel layouts may fold down; check the mix. Encode MTM (MTM) from AAC at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert AAC to MTM?
Drop your AAC file onto this page, choose quality and codec settings, then click Convert. The result downloads as MTM instantly. All processing runs in your browser.
What codec is used for MTM?
The default codec for MTM is MTM. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.