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PMD at a glance
PMD
The .pmd extension appeared in Sony's prosumer and professional recording device output alongside other Sony-proprietary formats like MQV, serving as a companion metadata or media descriptor file.
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 | PMD | TS |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1995 |
| Inventor | Sony | Moving Picture Experts Group (MPEG) |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to TS.
- PMD is commonly used in video 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 PMD 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 PMD to TS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to TS removes streaming delivery.
What should I review after converting PMD to TS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.