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AU to DTS-HD - Online Audio Converter
Convert AU to DTS-HD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to DTS-HD
Drop AU audio here or click to select
AU
DTS-HD (DTS)
About AU to DTS-HD
Convert AU to DTS-HD. AU is Sun's simple container, usually holding 8 kHz telephony audio. DTS-HD adds lossless extensions over the DTS core track. Extension layers may not decode everywhere; verify channel count..
Why convert AU to DTS-HD?
- Larger files than lossy shares with DTS-HD lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs DTS-HD
| Codec | PCM 16-bit | DTS |
|---|---|---|
| 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. | DTS-HD adds lossless extensions over the DTS core track. |
When not to convert AU to DTS-HD
- Skip DTS-HD 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 DTS-HD 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. Extension layers may not decode everywhere; verify channel count. Encode DTS-HD (DTS) 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 DTS-HD?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as DTS-HD instantly. All processing runs in your browser.
What codec is used for DTS-HD?
The default codec for DTS-HD is DTS. 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.