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UMX to QCELP - Online Audio Converter
Convert UMX to QCELP online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert UMX to QCELP
Drop UMX audio here or click to select
UMX
QCELP (QCELP)
About UMX to QCELP
Convert UMX to QCELP. UMX wraps tracker music for Unreal-engine game levels. QCELP compresses CDMA voice near 8 kbps like EVRC. Carrier variants differ; check headers before converting..
Why convert UMX to QCELP?
- Smaller files with QCELP lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
UMX vs QCELP
| Codec | UMX | QCELP |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | UMX wraps tracker music for Unreal-engine game levels. | QCELP compresses CDMA voice near 8 kbps like EVRC. |
When not to convert UMX to QCELP
- Skip QCELP for archival masters: lossy compression discards detail, so keep the UMX original.
- Keep a master copy: repeated exports stack small losses, so archive UMX before batch QCELP shares.
Limits
Starting point: UMX - UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately. Carrier variants differ; check headers before converting. Encode QCELP (QCELP) from UMX 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 UMX to QCELP?
Drop your UMX file onto this page, choose quality and codec settings, then click Convert. The result downloads as QCELP instantly. All processing runs in your browser.
What codec is used for QCELP?
The default codec for QCELP is QCELP. 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.