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AU at a glance
AU
—
ALAC at a glance
ALAC
—
Format comparison
| Feature | AU | ALAC |
|---|---|---|
| File type | Audio | Audio |
| Status | active | active |
| Primary use cases |
|
|
| Multitrack support | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use AU
- Your source file is already in AU.
- Preserve source expectations before exporting to ALAC.
- AU is commonly used in audio workflows.
When to use ALAC
- Your target workflow expects ALAC.
- Improve delivery compatibility with ALAC.
- ALAC is commonly used in audio workflows.
FAQs
Why convert AU to ALAC?
This conversion is usually chosen when ALAC fits downstream audio delivery better.
What changes when converting AU to ALAC?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ALAC adds streaming delivery.
What should I review after converting AU to ALAC?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.