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QCP to MTM - Online Audio Converter
Convert QCP to MTM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QCP to MTM
Drop QCP audio here or click to select
QCP
MTM (MTM)
About QCP to MTM
Convert QCP to MTM. QCP wraps QCELP voice memos from CDMA handsets. MTM (MultiTracker) sequences 32-channel DOS-era compositions. Old 32-channel layouts may fold down; check the mix..
Why convert QCP to MTM?
- Tiny files with MTM note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
QCP vs MTM
| Codec | QCP | MTM |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | QCP wraps QCELP voice memos from CDMA handsets. | MTM (MultiTracker) sequences 32-channel DOS-era compositions. |
When not to convert QCP to MTM
- Skip MTM for recorded sound: it stores note events, not audio, so keep the QCP recording.
- Keep a master copy: repeated exports stack small losses, so archive QCP before batch MTM shares.
Limits
Starting point: QCP - QCP wraps QCELP voice memos from CDMA handsets. Same payload as QCELP under the handset file name. Old 32-channel layouts may fold down; check the mix. Encode MTM (MTM) from QCP 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 QCP to MTM?
Drop your QCP 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.