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AU to TTA - Online Audio Converter
Convert AU to TTA online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to TTA
Drop AU audio here or click to select
AU
TTA (TTA)
About AU to TTA
Convert AU to TTA. AU is Sun's simple container, usually holding 8 kHz telephony audio. TTA (True Audio) compresses multichannel PCM with simple framing. Tagging tools are scarce; verify metadata after conversion..
Why convert AU to TTA?
- Larger files than lossy shares with TTA lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs TTA
| Codec | PCM 16-bit | TTA |
|---|---|---|
| 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. | TTA (True Audio) compresses multichannel PCM with simple framing. |
When not to convert AU to TTA
- Skip TTA 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 TTA 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. Tagging tools are scarce; verify metadata after conversion. Encode TTA (TTA) 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 TTA?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as TTA instantly. All processing runs in your browser.
What codec is used for TTA?
The default codec for TTA is TTA. 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.