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ADPCM to XM - Online Audio Converter
Convert ADPCM to XM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert ADPCM to XM
Drop ADPCM audio here or click to select
ADPCM, WAV
XM (XM)
About ADPCM to XM
Convert ADPCM to XM. ADPCM predicts samples to quarter voice-band bitrates. XM (FastTracker 2) sequences 32 instruments with envelopes. Volume-column effects vary by engine; audition the render..
Why convert ADPCM to XM?
- Tiny files with XM note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
ADPCM vs XM
| Codec | ADPCM | XM |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | ADPCM predicts samples to quarter voice-band bitrates. | XM (FastTracker 2) sequences 32 instruments with envelopes. |
When not to convert ADPCM to XM
- Skip XM for recorded sound: it stores note events, not audio, so keep the ADPCM recording.
- Keep a master copy: repeated exports stack small losses, so archive ADPCM before batch XM shares.
Limits
Starting point: ADPCM - ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting. Volume-column effects vary by engine; audition the render. Encode XM (XM) from ADPCM 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 ADPCM to XM?
Drop your ADPCM file onto this page, choose quality and codec settings, then click Convert. The result downloads as XM instantly. All processing runs in your browser.
What codec is used for XM?
The default codec for XM is XM. 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.