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ADPCM to xHE-AAC - Online Audio Converter
Convert ADPCM to xHE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert ADPCM to xHE-AAC
Drop ADPCM audio here or click to select
ADPCM, WAV
xHE-AAC (AAC (xHE))
About ADPCM to xHE-AAC
Convert ADPCM to xHE-AAC. ADPCM predicts samples to quarter voice-band bitrates. xHE-AAC unifies speech and music coding with loudness normalization. Needs a current decoder; fall back to AAC for older devices..
Why convert ADPCM to xHE-AAC?
- Smaller files with xHE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
ADPCM vs xHE-AAC
| Codec | ADPCM | AAC (xHE) |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | ADPCM predicts samples to quarter voice-band bitrates. | xHE-AAC unifies speech and music coding with loudness normalization. |
When not to convert ADPCM to xHE-AAC
- Skip xHE-AAC for archival masters: lossy compression discards detail, so keep the ADPCM original.
- Keep a master copy: repeated exports stack small losses, so archive ADPCM before batch xHE-AAC shares.
Limits
Starting point: ADPCM - ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting. Needs a current decoder; fall back to AAC for older devices. Encode xHE-AAC (AAC (xHE)) 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 xHE-AAC?
Drop your ADPCM 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.