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PEF at a glance
PEF
Pentax raw workflows never dominated the mass market, but their persistence in enthusiast and specialist photo libraries gives PEF ongoing practical relevance.
TS at a glance
TS
Transport streams belong to the broadcast and transmission side of digital video history, where resilience and streaming mattered more than user-friendly file semantics.
Format comparison
| Feature | PEF | TS |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1995 |
| Inventor | Pentax (now Ricoh) | Moving Picture Experts Group (MPEG) |
| Status | proprietary | active |
| 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 PEF
- Your source file is already in PEF.
- Preserve source expectations before exporting to TS.
- PEF is commonly used in image workflows.
When to use TS
- Your target workflow expects TS.
- Improve delivery compatibility with TS.
- TS is commonly used in video workflows.
FAQs
Why convert PEF to TS?
Convert to TS when the destination expects transport streams, such as broadcast workflows, segment-based media handling, receiver recordings, or other systems where packetized streaming compatibility matters.
It is useful as an operational and interchange format inside media infrastructure.
For easier library playback and casual sharing, MP4 or MKV are usually more convenient.
What changes when converting PEF to TS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to TS removes camera raw data.
What should I review after converting PEF to TS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.