Video formats
AVIF image support is not a sustained AV1 video test
A still-image format and a video decoding workflow can share coding technology while exercising different requirements.
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The viewing journal — page 72
Practical reading about screens, players, Canadian viewing and the decisions behind a better setup.
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Video formats
Colour standard, transfer and range are separate media fields
A single colour label is not a complete picture specification.
Read the guideVideo formats
A decoded video frame is not proof that the browser presented it smoothly
Browser media processing has several stages.
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Web browsers
Browser fullscreen and video fullscreen are different controls
Hiding browser chrome is not the same task as enlarging a video element.
Read the guideGoogle Cast
Chrome screen casting can show a picture while audio stays on the computer
The selected casting source affects audio behaviour.
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TV captions
A transcript is not automatically a timed-caption control
Readable programme text and synchronized onscreen captions serve related but different tasks.
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