System for generating multiple aspect ratio signals from...

H - Electricity – 04 – N

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H04N 7/01 (2006.01) H04N 5/44 (2006.01) H04N 9/877 (2006.01) H04N 5/913 (2006.01)

Patent

CA 2150241

A system for generating a video signal in a selected one of multiple aspect ratios from play of a disk on which is recorded a motion picture in only one aspect ratio. The disk includes a code indicative of the recorded aspect ratio, and the player has a default aspect ratio setting which can be changed by the user. Typically, the recorded aspect ratio is 16:9, center cut 4:3, pan scan 4:3, and letter box aspect ratios. The player automatically generates the appropriate video signal in accordance with both its default aspect ratio setting and the disk code.

Système permettant de générer un signal vidéo ayant un rapport largeur/hauteur sélectionné parmi plusieurs rapports du même type, à partir de la lecture d'un disque sur lequel est enregisté un film cinématographique selon un seul rapport largeur/hauteur. Le disque comprend un code qui indique le rapport largeur/hauteur enregistré et le lecteur possède un réglage du rapport largeur/hauteur implicite que l'utilisateur peut changer. En général le rapport largeur/hauteur enregistré est de 16:9, et le lecteur peut générer une coupure centrale de 4:3, un balayage panoramique de 4:3, et des rapports largeur/hauteur de boites à lettres. Le lecteur génère automatiquement le signal vidéo approprié en fonction de son réglage de rapport largeur/hauteur implicite et du code du disque.

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