OGG to AU — Format Comparison & Online Converter
Fast, instant OGG to AU conversion. No signup required. Just drop your .ogg file and get .au in seconds.
Batch Settings
还在为音频格式不兼容而烦恼吗？特别是在我们日常使用微信分享、手机游戏或是处理一些老旧多媒体文件时，OGG格式有时会显得有点“水土不服”。别担心，如果您手头有OGG音频，但又需要在AU（NeXT/Sun Audio）这种相对通用的格式下使用，比如为了兼容某些特定播放器、老系统或专业音频工具，那么恭喜您来对地方了。我们将一步步引导您如何轻松将OGG转换为AU，让您的音频文件在各种设备和场景下都能畅行无阻，无论是上传到需要特定格式的平台，还是为了更好地进行后期编辑，都能找到完美的解决方案。我们深知在数字世界里，流畅的体验有多么重要。
- 微信分享老游戏音效
- 兼容旧版多媒体播放器
- 专业音频工作站导入
AU格式在一些早期电脑游戏和专业音频领域仍有使用，尤其是在一些对兼容性要求较高的老旧系统或软件中，将其作为目标格式转换能有效解决播放或编辑问题。
About OGG to AU Conversion
OGG (introduced 2000) and AU are both audio formats, but they differ in important ways. OGG Vorbis is an open-source lossy audio format with excellent quality at low bitrates. AU is a widely used file format.
When you convert OGG to AU, the goal is to convert between formats quickly. Converting OGG to AU maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your OGG file is decoded and re-encoded as AU. The conversion involves 4 steps: (1) your ogg file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in au format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a AU file. For the opposite direction, CocoConvert also supports AU to OGG conversion.
How to Convert OGG to AU
- 1
Upload .ogg file
Select your OGG file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .au
Set AU as the output format. The converter uses optimal settings based on the OGG→AU conversion profile.
- 3
Convert
The server-side engine decodes your OGG file and re-encodes it as AU. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .au file. Multiple output files can be downloaded together.
What Happens When You Convert OGG to AU
Your OGG file is decoded and re-encoded as AU.
Your OGG 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
OGG
.ogg file
| Extension | .ogg |
| MIME Type | audio/ogg |
| Category | Audio |
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
Should You Convert OGG to AU?
When to Convert
- ✓When you need a AU file
Frequently Asked Questions
What is the difference between OGG and AU?
OGG Vorbis is an open-source lossy audio format with excellent quality at low bitrates. AU is a widely used file format.
Does OGG to AU conversion affect quality?
Converting OGG to AU maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, OGG or AU?
OGG uses lossy compression. AU is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does OGG to AU conversion take?
Most conversions finish in seconds. Larger files or complex audio content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is OGG or AU better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.