TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
CROSS LUMINANCE [1 record]
Record 1 - internal organization data 2007-01-09
Record 1, English
Record 1, Subject field(s)
- Audiovisual Techniques and Equipment
- Television (Radioelectricity)
Record 1, Main entry term, English
- cross luminance
1, record 1, English, cross%20luminance
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A grainy "zipper" effect along boundaries of colored objects on [a TV] screen or a silk screen effect within color patches. 1, record 1, English, - cross%20luminance
Record number: 1, Textual support number: 1 OBS
It occurs when color information in a composite video signal is not removed before the signal is passed on to the luminance circuits. 1, record 1, English, - cross%20luminance
Record number: 1, Textual support number: 2 OBS
This situation is the result of imperfect Y/C separation by the comb filter (or notch and bandpass filters in less expensive TV sets), where color information finds its way into the luminance circuits. 1, record 1, English, - cross%20luminance
Record 1, French
Record 1, Domaine(s)
- Audiovisuel (techniques et équipement)
- Télévision (Radioélectricité)
Record 1, Main entry term, French
- dia-luminance
1, record 1, French, dia%2Dluminance
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Phénomènes parasites qui se produisent dans la partie de [...] luminance de l'image et [de l'écran de télévision] qui sont dus à la diachromie de l'information de couleur qui se produit dans le canal de luminance. 1, record 1, French, - dia%2Dluminance
Record number: 1, Textual support number: 1 OBS
[Ces parasites ont la forme d'une] chaîne de petites «perles» incolores situées aux bords des zones colorées. Des circuits élaborés (filtres à peigne) permettent de réduire ce phénomène. 1, record 1, French, - dia%2Dluminance
Record number: 1, Textual support number: 2 OBS
Ce phénomène se produit avec les systèmes d'émission conventionnels utilisés en analogique : PAL, SECAM et NTSC. 1, record 1, French, - dia%2Dluminance
Record 1, Spanish
Record 1, Textual support, Spanish
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