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
您手头是不是有WAV格式的音频文件，想转换成AU格式？别担心，我们理解您可能需要更灵活的音频文件，尤其是在处理一些特定应用场景时。WAV虽然音质好，但文件体积相对较大，而AU格式则以其简洁和兼容性，在某些旧版或特定系统中表现更出色。无论是为了减少存储空间，或是为了让您的音频能在更多平台上流畅播放，甚至是为了满足一些专业软件的格式要求，将WAV转换为AU都是一个实用且高效的选择。我们的工具能帮您轻松完成这一转换，让您的音频文件在不同设备和软件间自由穿梭，不再受格式限制。
- 微信分享小文件
- 游戏开发音频素材
- 老旧系统兼容播放
在一些针对特定嵌入式设备或早期游戏引擎的开发中，AU格式因其历史兼容性，在华语地区仍有小众但重要的应用场景，尤其是在处理一些非主流音频库时。
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.