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DSF to AU - Online Audio Converter
Convert DSF to AU online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert DSF to AU
Drop DSF audio here or click to select
DSF, DFF
AU (PCM 16-bit)
About DSF to AU
Convert DSF to AU. DSF stores 1-bit DSD takes from Super Audio CD rips. AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion..
Why convert DSF to AU?
- Larger files than lossy shares with AU uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
DSF vs AU
| Codec | DSF | PCM 16-bit |
|---|---|---|
| Compression | lossless 1-bit | uncompressed |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | DSF stores 1-bit DSD takes from Super Audio CD rips. | AU is Sun's simple container, usually holding 8 kHz telephony audio. |
When not to convert DSF to AU
- Skip AU for the smallest share: lossless output stays large, so prefer a lossy target when sending DSF files.
- Keep a master copy: repeated exports stack small losses, so archive DSF before batch AU shares.
Limits
Starting point: DSF - DSF stores 1-bit DSD takes from Super Audio CD rips. Convert through PCM, which fixes the gain staging. Headers are minimal; verify sample rate after conversion. Encode AU (PCM 16-bit) from DSF 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 DSF to AU?
Drop your DSF file onto this page, choose quality and codec settings, then click Convert. The result downloads as AU instantly. All processing runs in your browser.
What codec is used for AU?
The default codec for AU 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.