TTA vs AU — Comparison & Free Converter
Fast, instant TTA to AU conversion. No signup required. Just drop your .tta file and get .au in seconds.
Batch Settings
Vous avez des fichiers audio au format TTA et la nécessité de les convertir en AU se présente ? Que ce soit pour des raisons de compatibilité logicielle, d'intégration dans des systèmes audio spécifiques ou simplement pour une meilleure gestion de vos archives sonores, notre outil de conversion est là pour vous accompagner. Le format TTA (True Audio) est reconnu pour sa compression sans perte, préservant ainsi fidèlement la qualité originale de vos enregistrements. Quant au format AU (Audio File), bien que plus ancien, il reste pertinent pour sa simplicité et sa compatibilité étendue, notamment dans les environnements UNIX et certains logiciels de traitement audio professionnels. Nous vous offrons une solution simple et efficace pour effectuer cette transition, garantissant l'intégrité de vos données audio tout au long du processus. Dites adieu aux soucis d'incompatibilité et profitez pleinement de vos fichiers sonores.
- Archivage sonore de débats parlementaires
- Intégration dans des stations audionumériques (DAW) pour le design sonore
- Échanges de fichiers audio entre institutions académiques
En France, en Belgique et au Québec, l'utilisation de formats audio ouverts ou largement compatibles est souvent privilégiée pour les documents officiels et les publications, afin d'assurer une accessibilité et une pérennité maximales des contenus sonores.
About TTA to AU Conversion
TTA or AU — which format should you use? The answer depends on your needs. Here's a quick breakdown.
TTA is a widely used file format. It has common platform support. AU is a widely used file format. It has common platform support.
So when should you convert TTA to AU? This conversion is ideal when you When you need a AU file. This conversion helps you convert between formats quickly.
Converting TTA to AU maintains high quality with CocoConvert's optimised encoder settings.
If you've decided AU is the right choice, CocoConvert makes the conversion effortless. Upload your .tta file, pick AU, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert TTA to AU
- 1
Choose your TTA file
Upload your .tta file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to AU
Select .au from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large audio files.
- 4
Get your AU file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert TTA to AU
Your TTA file is decoded and re-encoded as AU.
Your TTA file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in AU format
The converted file is ready for download
Format Comparison
TTA
.tta file
| Extension | .tta |
| MIME Type | audio/x-tta |
| Category | Audio |
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
Should You Convert TTA to AU?
When to Convert
- ✓When you need a AU file
Frequently Asked Questions
Should I use TTA or AU?
It depends on your goal. TTA preserves full quality. AU preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is AU higher quality than TTA?
Not necessarily. Converting TTA to AU maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert TTA to AU on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for TTA to AU?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for TTA to AU?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.