Picture & sound
Loudness normalization and volume levelling
Loudness normalization aims to reduce average level differences between programs or tracks. It is a different operation from changing the dynamic contrast.
Explore the guide ↗THE JOURNAL
IPTV USA journal — page 68
Player setup, everyday viewing, television technology and account decisions, explained with useful steps and source links. Archive page 68.
Good questions make better viewing.
Picture & sound
Lyrics karaoke timing and ordinary subtitles
Karaoke lyrics, ordinary subtitles and accessibility captions can all use timed text, but their purposes and timing detail differ. A dialogue subtitle track.
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Picture & sound
Matching content frame rate and resolution
Matching content frame rate and matching resolution are separate output decisions. One concerns the timing of pictures; the other concerns their spatial.
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Picture & sound
MIME types and codec strings
A media type identifies a broad kind of resource, while a codec string can specify more about the encoded tracks inside. Those details help software decide.
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Picture & sound
Mono programs through stereo equipment
A mono program contains one audio channel, even when a listening system reproduces it through two or more speakers. Speaker activity alone does not.
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Picture & sound
Mosquito noise around text and edges
A faint, restless halo around lettering or a sharp object can be compression noise rather than a focus problem. It is sometimes described as mosquito noise.
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