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AU to LPCM - Online Audio Converter
Convert AU to LPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to LPCM
Drop AU audio here or click to select
AU
LPCM (PCM 16-bit)
About AU to LPCM
Convert AU to LPCM. AU is Sun's simple container, usually holding 8 kHz telephony audio. LPCM is linear PCM as carried on DVD and Blu-ray discs. Disc rips may interleave channels; verify mapping after conversion..
Why convert AU to LPCM?
- Larger files than lossy shares with LPCM uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs LPCM
| Codec | PCM 16-bit | PCM 16-bit |
|---|---|---|
| Compression | uncompressed | uncompressed |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | LPCM is linear PCM as carried on DVD and Blu-ray discs. |
When not to convert AU to LPCM
- Skip LPCM 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 LPCM 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. Disc rips may interleave channels; verify mapping after conversion. Encode LPCM (PCM 16-bit) 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.
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FAQ
How do I convert AU to LPCM?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as LPCM instantly. All processing runs in your browser.
What codec is used for LPCM?
The default codec for LPCM 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.