AU to WavPack - Online Audio Converter
Convert AU to WavPack online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About AU to WavPack
Convert AU to WavPack. AU is Sun's simple container, usually holding 8 kHz telephony audio. WavPack mixes lossless and hybrid lossy modes with correction files. Hybrid correction files must travel together to restore full quality..
Why convert AU to WavPack?
- Larger files than lossy shares with WavPack lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs WavPack
| Codec | PCM 16-bit | WavPack |
|---|---|---|
| Compression | uncompressed | lossless |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | WavPack mixes lossless and hybrid lossy modes with correction files. |
When not to convert AU to WavPack
- Skip WavPack for the smallest share: lossless output stays large, so prefer a lossy target when sending AU files.
- Keep a master copy: repeated exports stack small losses, so archive AU before batch WavPack shares.
Limits
Starting point: AU - AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion. Hybrid correction files must travel together to restore full quality. Encode WavPack (WavPack) from AU 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.