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S3M to ADPCM - Online Audio Converter
Convert S3M to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert S3M to ADPCM
Drop S3M audio here or click to select
S3M
ADPCM (ADPCM)
About S3M to ADPCM
Convert S3M to ADPCM. S3M (Scream Tracker 3) sequences 16 digital channels with effects. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert S3M to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
S3M vs ADPCM
| Codec | S3M | ADPCM |
|---|---|---|
| Compression | sequence | lossy |
| Sample behavior | Note events - no audio samples | Quality set by bitrate |
| Typical use | S3M (Scream Tracker 3) sequences 16 digital channels with effects. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert S3M to ADPCM
- Skip ADPCM for archival masters: lossy compression discards detail, so keep the S3M original.
- Keep a master copy: repeated exports stack small losses, so archive S3M before batch ADPCM shares.
Limits
Starting point: S3M - S3M (Scream Tracker 3) sequences 16 digital channels with effects. Stereo panning quirks differ by player; check the mix. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) from S3M 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 S3M to ADPCM?
Drop your S3M file onto this page, choose quality and codec settings, then click Convert. The result downloads as ADPCM instantly. All processing runs in your browser.
What codec is used for ADPCM?
The default codec for ADPCM is ADPCM. 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.