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ERF at a glance
ERF
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
TOD at a glance
TOD
TOD appeared with JVC's HD-capable Everio camcorders around 2006 as the high-definition counterpart to the earlier MOD format, using MPEG-2 Transport Stream rather than Program Stream to accommodate HD bitrates.
Format comparison
| Feature | ERF | TOD |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2004 |
| Inventor | Epson | JVC |
| Status | proprietary | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ERF
- Your source file is already in ERF.
- Preserve source expectations before exporting to TOD.
- ERF is commonly used in image workflows.
When to use TOD
- Your target workflow expects TOD.
- Improve delivery compatibility with TOD.
- TOD is commonly used in video workflows.
FAQs
Why convert ERF to TOD?
Convert to TOD when preserving an original JVC Everio recording or when a legacy ingest workflow still expects the camera-native file.
More commonly, convert from TOD into MP4, MOV, or a mezzanine format during home-video migration and archive cleanup.
What changes when converting ERF to TOD?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to TOD removes camera raw data.
What should I review after converting ERF to TOD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.