WAV to AU for Audio Workflows
Fast, instant WAV to AU conversion. No signup required. Just drop your .wav file and get .au in seconds.
Batch Settings
Vous avez des fichiers audio au format WAV et souhaitez les convertir en AU ? Que ce soit pour des raisons de compatibilité logicielle, d'archivage sur des systèmes plus anciens ou simplement pour répondre à des spécifications techniques précises, notre outil de conversion est là pour vous faciliter la tâche. Le format AU, historiquement associé aux systèmes Unix et Sun Microsystems, conserve une pertinence dans certains environnements spécialisés. Notre service garantit une conversion rapide et fidèle, préservant la qualité audio de vos enregistrements originaux. Fini les tracas de compatibilité, transformez vos WAV en AU en quelques clics, avec la fiabilité et la simplicité que vous attendez d'un outil professionnel.
- Archivage de données sonores patrimoniales au Québec
- Compatibilité avec des systèmes de CAO/DAO en Belgique
- Intégration dans des logiciels de recherche universitaire en Suisse
Historiquement, certains environnements académiques et de recherche en France et en Suisse ont longtemps utilisé des stations de travail Sun, pour lesquelles le format AU était natif. La conversion vers ce format peut donc être requise pour la compatibilité avec des corpus audio legacy ou des outils d'analyse spécifiques encore en usage.
About WAV to AU Conversion
Whether you're one of the many musicians, podcasters, and audio engineers who work with WAV files daily, there comes a time when you need AU instead. WAV is uncompressed PCM audio — studio quality with no data loss, but large file sizes.
Here's a typical scenario: you receive a .wav file but your project, platform, or client requires .au. AU is a widely used file format. Rather than searching for desktop software or wrestling with command-line tools, you can convert WAV to AU online in seconds with CocoConvert.
This conversion is ideal when you When you need a AU file. The conversion helps you convert between formats quickly.
Converting WAV to AU maintains high quality with CocoConvert's optimised encoder settings.
Behind the scenes, CocoConvert uses industry-standard tools — FFmpeg for audio and video, Sharp for images, qpdf for documents. Your file is uploaded securely (TLS encryption), processed on isolated servers in Germany, and auto-deleted within 24 hours. No account, no watermark, no hidden fees.
Power users can batch convert up to 100 files simultaneously with a Pro subscription, making it practical for production workflows.
How to Convert WAV to AU
- 1
Drop your file
Drag your .wav file onto the converter. Need to process many files? Add up to 5 at once (100 for Pro).
- 2
Set output to AU
Pick AU from the format list. The converter automatically tunes settings for the WAV→AU pair.
- 3
Hit Convert
Processing happens server-side — your browser stays responsive. Most audio files convert in under 10 seconds.
- 4
Download and use
Your .au file is ready to plug into your workflow. Download it or share the link (expires in 24 hours).
What Happens When You Convert WAV to AU
Your WAV file is decoded and re-encoded as AU.
Your WAV 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
WAV
.wav file
| Extension | .wav |
| MIME Type | audio/wav |
| Category | Audio |
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
Should You Convert WAV to AU?
When to Convert
- ✓When you need a AU file
Frequently Asked Questions
Who needs to convert WAV to AU?
This conversion is commonly used by musicians, podcasters, and audio engineers. Typical reasons include convert between formats quickly and ensuring compatibility with downstream tools or platforms.
Can I convert WAV to AU without losing quality?
Converting WAV to AU maintains high quality with CocoConvert's optimised encoder settings.
Do I need to install software to convert WAV to AU?
No. CocoConvert runs entirely in your browser — no downloads, no plugins. It works on macOS, Windows, Linux, iOS, and Android.
How many WAV files can I convert at once?
Free users can convert up to 5 files per hour. Pro subscribers get 100 files per hour with larger size limits (5 GB per file). Business API users can integrate batch conversion directly into their tools.
Is there an API for WAV to AU conversion?
Yes. CocoConvert offers a Business API for automated conversions. It supports all the same format pairs available in the web interface, including WAV to AU.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.