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MTM to EC-3 - Online Audio Converter
Convert MTM to EC-3 online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MTM to EC-3
Drop MTM audio here or click to select
MTM
EC-3 (E-AC-3)
About MTM to EC-3
Convert MTM to EC-3. MTM (MultiTracker) sequences 32-channel DOS-era compositions. EC-3 is the broadcast-table name for E-AC-3 streams. Same payload as E-AC3 under the short program-table name..
Why convert MTM to EC-3?
- Smaller files with EC-3 lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
MTM vs EC-3
| Codec | MTM | E-AC-3 |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | MTM (MultiTracker) sequences 32-channel DOS-era compositions. | EC-3 is the broadcast-table name for E-AC-3 streams. |
When not to convert MTM to EC-3
- Skip EC-3 for archival masters: lossy compression discards detail, so keep the MTM original.
- Keep a master copy: repeated exports stack small losses, so archive MTM before batch EC-3 shares.
Limits
Starting point: MTM - MTM (MultiTracker) sequences 32-channel DOS-era compositions. Old 32-channel layouts may fold down; check the mix. Same payload as E-AC3 under the short program-table name. Encode EC-3 (E-AC-3) from MTM 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 MTM to EC-3?
Drop your MTM file onto this page, choose quality and codec settings, then click Convert. The result downloads as EC-3 instantly. All processing runs in your browser.
What codec is used for EC-3?
The default codec for EC-3 is E-AC-3. 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.