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Unggah beberapa file sekaligus, campur format, dan sesuaikan setiap konversi dengan pengaturan yang memahami format.
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AMR sekilas
AMR
AMR belongs to the era when mobile communication formats were heavily optimized around speech efficiency rather than music playback quality.
AU sekilas
AU
AU belongs to an earlier multimedia era where workstation and Unix vendors often had their own practical audio defaults.
Perbandingan format
| Fitur | AMR | AU |
|---|---|---|
| File type | Audio | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1999 | 1987 |
| Inventor | 3GPP | Sun Microsystems |
| Status | active | active |
| Primary use cases |
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|
| Multitrack support | Tidak didukung | Tidak didukung |
| HDR support | Tidak didukung | Tidak didukung |
| Streaming ready | Didukung | Tidak didukung |
Kapan memakai setiap format
When to use AMR
- Your source file is already in AMR.
- Preserve source expectations before exporting to AU.
- AMR is commonly used in audio workflows.
When to use AU
- Your target workflow expects AU.
- Improve delivery compatibility with AU.
- AU is commonly used in audio workflows.
FAQ
Why convert AMR 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 AMR 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 AMR to AU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.