The same cue list written with a UTF-8 BOM, without one, in UTF-16, with CRLF and with bare LF, plus non-Latin scripts and right-to-left text, for finding the parser that assumed captions are always LF-terminated ASCII.
Each card starts with one representative test file. Choose a use case, search, or filter to find a specific profile; a card’s variant menu contains its related samples.
13 test families · 28 available files · Page 1 of 1
Captions Formats
Broadcast closed captions as Scenarist SCC: SMPTE timecodes followed by hexadecimal CEA-608 byte pairs, with odd parity set on every byte as the standard requires. Uses pop-on mode: RCL to load, ENM to clear non-displaye
Captions Encoding
Japanese captions mixing kana, kanji and full-width punctuation. Full-width characters occupy two columns in a monospaced renderer, so line-length limits computed in code points under-count them.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 01 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-01.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 02 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-02.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 03 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-03.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 04 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-04.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 05 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-05.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 06 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-06.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 07 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-07.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 08 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-08.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 09 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-09.
Colour Audio Sync Failures
Download-only WebVTT caption sidecar 10 with one sub-second cue for timing and attachment checks. Stable P8 artifact p8-video-caption-vtt-10.
Captions Edge
WebVTT cues carrying the full positioning grammar (line, position, align and size) plus named cue identifiers instead of numbers. Captions are placed at four different points in the frame, which is what real subtitles do
