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ADPCM to WAV - Online Audio Converter
Convert ADPCM to WAV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert ADPCM to WAV
Drop ADPCM audio here or click to select
ADPCM, WAV
WAV (PCM 16-bit)
About ADPCM to WAV
Convert ADPCM to WAV. ADPCM predicts samples to quarter voice-band bitrates. WAV is Microsoft's RIFF container, usually holding 16-bit PCM. Files run about 10 MB per minute, so archive as FLAC..
Why convert ADPCM to WAV?
- Larger files than lossy shares with WAV uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
ADPCM vs WAV
| Codec | ADPCM | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | ADPCM predicts samples to quarter voice-band bitrates. | WAV is Microsoft's RIFF container, usually holding 16-bit PCM. |
When not to convert ADPCM to WAV
- Skip WAV for the smallest share: lossless output stays large, so prefer a lossy target when sending ADPCM files.
- Keep a master copy: repeated exports stack small losses, so archive ADPCM before batch WAV shares.
Limits
Starting point: ADPCM - ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting. Files run about 10 MB per minute, so archive as FLAC. Encode WAV (PCM 16-bit) 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 WAV?
Drop your ADPCM file onto this page, choose quality and codec settings, then click Convert. The result downloads as WAV instantly. All processing runs in your browser.
What codec is used for WAV?
The default codec for WAV is PCM 16-bit. 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.