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ORA at a glance
ORA
OpenRaster emerged from the libre graphics community as a practical answer to the lack of a clean open interchange format for layered raster artwork.
AVI at a glance
AVI
AVI grew from Microsoft's RIFF multimedia architecture, which is why its structure reflects chunked stream handling and older desktop-video assumptions.
Format comparison
| Feature | ORA | AVI |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1992 |
| Inventor | Libre Graphics community | Microsoft |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use ORA
- Your source file is already in ORA.
- Preserve source expectations before exporting to AVI.
- ORA is commonly used in image workflows.
When to use AVI
- Your target workflow expects AVI.
- Improve delivery compatibility with AVI.
- AVI is commonly used in video workflows.
FAQs
Why convert ORA to AVI?
Convert to AVI when an older editor, recorder, analysis tool, or device workflow explicitly expects it, or when preserving compatibility with legacy video archives matters.
It is useful for certain capture and processing chains where AVI remains a known stable interchange wrapper.
For streaming, web playback, and compact delivery, MP4 or WebM are usually stronger options.
What changes when converting ORA to AVI?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to AVI removes layer support. Moving to AVI adds streaming delivery.
What should I review after converting ORA to AVI?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.