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Speex to UMX - Online Audio Converter
Convert Speex to UMX online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Speex to UMX
Drop Speex audio here or click to select
Speex, OGG
UMX (UMX)
About Speex to UMX
Convert Speex to UMX. Speex compresses speech at telecom bitrates for voice apps. UMX wraps tracker music for Unreal-engine game levels. Game containers may bundle several songs; convert each separately..
Why convert Speex to UMX?
- Tiny files with UMX note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
Speex vs UMX
| Codec | Speex | UMX |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | Speex compresses speech at telecom bitrates for voice apps. | UMX wraps tracker music for Unreal-engine game levels. |
When not to convert Speex to UMX
- Skip UMX for recorded sound: it stores note events, not audio, so keep the Speex recording.
- Keep a master copy: repeated exports stack small losses, so archive Speex before batch UMX shares.
Limits
Starting point: Speex - Speex compresses speech at telecom bitrates for voice apps. Wideband modes confuse old tools; verify rate after conversion. Game containers may bundle several songs; convert each separately. Encode UMX (UMX) from Speex 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 Speex to UMX?
Drop your Speex file onto this page, choose quality and codec settings, then click Convert. The result downloads as UMX instantly. All processing runs in your browser.
What codec is used for UMX?
The default codec for UMX is UMX. 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.