Method

Subtitle format

Subtitle format vs spec allowlist

What we measure and how

Match of the detected subtitle format (SRT, WebVTT, TTML, IMSC, EBU-TT-D, EBU-STL) against the spec's `assets.timed_text.formats.allowed`. Format is detected from file extension + content sniffing.

Provenance

Standards

SRT · WebVTT · TTML 2 · IMSC 1.1 · EBU-TT-D · EBU-STL

Spec fields consulted

These Universal Media Delivery Profile paths resolve this check's thresholds against your spec snapshot at the moment the job was submitted.

• · assets.timed_text.formats.allowed
• · assets.timed_text.formats[*]

The full UMDP schema: /umdp.

Related methods

• Subtitle encoding

Method identifier: subtitle_format