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CROSS-FORMAT
PMD to AU Converter — Free, Online, No Signup
Convert PMD files to AU online with no signup required.
PMD at a glance
PMD
The .pmd extension appeared in Sony's prosumer and professional recording device output alongside other Sony-proprietary formats like MQV, serving as a companion metadata or media descriptor file.
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 | PMD | AU |
|---|---|---|
| File type | Video | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1987 |
| Inventor | Sony | Sun Microsystems |
| Status | legacy | active |
| Primary use cases |
|
|
| Multitrack support | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to AU.
- PMD is commonly used in video 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 PMD 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 PMD to AU?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to AU removes streaming delivery.
What should I review after converting PMD to AU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.