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AUDIO
SR2 to AU Converter — Free, Online, No Signup
Convert SR2 files to AU online with no signup required.
SR2 at a glance
SR2
Early Sony raw formats reflect the transitional period in which Sony was still establishing its photography ecosystem and raw compatibility story.
AU at a glance
AU
AU belongs to an earlier multimedia era where workstation and Unix vendors often had their own practical audio defaults.
Format comparison
| Feature | SR2 | AU |
|---|---|---|
| File type | Image | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 1987 |
| Inventor | Sony | Sun Microsystems |
| Status | proprietary | active |
| Primary use cases |
|
|
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use SR2
- Your source file is already in SR2.
- Preserve source expectations before exporting to AU.
- SR2 is commonly used in image workflows.
When to use AU
- Your target workflow expects AU.
- Improve delivery compatibility with AU.
- AU is commonly used in audio workflows.
FAQs
Why convert SR2 to AU?
Convert to AU when preserving compatibility with older Unix or workstation software, educational assets, or historical multimedia archives.
In most present-day workflows the practical task is to decode AU content and move it to WAV, AIFF, or a modern compressed format.
Use AU only when downstream compatibility makes it necessary.
What changes when converting SR2 to AU?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting SR2 to AU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.