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S3M to xHE-AAC - Online Audio Converter
Convert S3M to xHE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert S3M to xHE-AAC
Drop S3M audio here or click to select
S3M
xHE-AAC (AAC (xHE))
About S3M to xHE-AAC
Convert S3M to xHE-AAC. S3M (Scream Tracker 3) sequences 16 digital channels with effects. xHE-AAC unifies speech and music coding with loudness normalization. Needs a current decoder; fall back to AAC for older devices..
Why convert S3M to xHE-AAC?
- Smaller files with xHE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
S3M vs xHE-AAC
| Codec | S3M | AAC (xHE) |
|---|---|---|
| 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. | xHE-AAC unifies speech and music coding with loudness normalization. |
When not to convert S3M to xHE-AAC
- Skip xHE-AAC 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 xHE-AAC shares.
Limits
Starting point: S3M - S3M (Scream Tracker 3) sequences 16 digital channels with effects. Stereo panning quirks differ by player; check the mix. Needs a current decoder; fall back to AAC for older devices. Encode xHE-AAC (AAC (xHE)) 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 xHE-AAC?
Drop your S3M file onto this page, choose quality and codec settings, then click Convert. The result downloads as xHE-AAC instantly. All processing runs in your browser.
What codec is used for xHE-AAC?
The default codec for xHE-AAC is AAC (xHE). 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.