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AU in het kort
AU
AU belongs to an earlier multimedia era where workstation and Unix vendors often had their own practical audio defaults.
3GA in het kort
3GA
3GA reflects the same constrained-device and telecom-era design pressures that shaped 3GP video containers.
Formaatvergelijking
| Kenmerk | AU | 3GA |
|---|---|---|
| File type | Audio | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1987 | 2004 |
| Inventor | Sun Microsystems | 3GPP |
| Status | active | active |
| Primary use cases |
|
|
| Multitrack support | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Ondersteund |
Wanneer je elk formaat gebruikt
When to use AU
- Your source file is already in AU.
- Preserve source expectations before exporting to 3GA.
- AU is commonly used in audio workflows.
When to use 3GA
- Your target workflow expects 3GA.
- Improve delivery compatibility with 3GA.
- 3GA is commonly used in audio workflows.
Veelgestelde vragen
Why convert AU to 3GA?
Convert to 3GA when the destination is a mobile or telephony-oriented workflow that expects compact phone-friendly audio recordings.
It is useful for preserving compatibility with handset voice notes, legacy messaging systems, and archives of older device captures.
For broad playback and library management, M4A, MP3, or WAV are usually more convenient targets.
What changes when converting AU to 3GA?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to 3GA adds streaming delivery.
What should I review after converting AU to 3GA?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.