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AU to Dolby TrueHD - Online Audio Converter
Convert AU to Dolby TrueHD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to Dolby TrueHD
Drop AU audio here or click to select
AU
Dolby TrueHD (TrueHD)
About AU to Dolby TrueHD
Convert AU to Dolby TrueHD. AU is Sun's simple container, usually holding 8 kHz telephony audio. Dolby TrueHD carries lossless Atmos on Blu-ray discs. Needs HDMI-class bandwidth; convert FLAC for portable use..
Why convert AU to Dolby TrueHD?
- Larger files than lossy shares with Dolby TrueHD lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs Dolby TrueHD
| Codec | PCM 16-bit | TrueHD |
|---|---|---|
| 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. | Dolby TrueHD carries lossless Atmos on Blu-ray discs. |
When not to convert AU to Dolby TrueHD
- Skip Dolby TrueHD 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 Dolby TrueHD 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. Needs HDMI-class bandwidth; convert FLAC for portable use. Encode Dolby TrueHD (TrueHD) 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 Dolby TrueHD?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as Dolby TrueHD instantly. All processing runs in your browser.
What codec is used for Dolby TrueHD?
The default codec for Dolby TrueHD is TrueHD. 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.