signal de luminance
- Domaine
-
- télécommunication transmission de l'émission télévisée
- Date
Définition :
Partie du signal de télévision couleur N.T.S.C. qui renferme les informations de luminance ou de brillance.
Termes :
- signal de luminance n. m.
- signal vidéo de luminance n. m.
- signal Y n. m.
Terme associé :
- signal de luminosité n. m.
Traductions
-
anglais
Date :Définition
A signal that varies in amplitude according to the luminance values of a televised scene. Part of the composite television signal. In contrast to the chrominance signal, the luminance signal conveys the information on picture brightness (tone). Only the luminance signal is transmitted in the case of black and white broadcasts.
That portion of the television signal which conveys the luminance or brightness information.Termes :
- luminance signal
- monochrome signal
- Y luminance signal
- Y signal
- Y video signal
- luminance video signal