Video signal coding

H - Electricity – 04 – N

Patent

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Details

H04N 5/917 (2006.01) G11B 27/32 (2006.01) H04N 5/92 (2006.01) H04N 5/926 (2006.01) H04N 7/26 (2006.01) H04N 7/50 (2006.01) H04N 7/173 (2006.01) H04N 7/24 (2006.01)

Patent

CA 2186027

A method of coding a video signal representing a moving picture, the method comprising generating a first set of digital signals representing a first sequence of frames of the video signal and at least one further set of digital signals representing a further sequence of frames of the video signal, the further sequence being frames m+n, m+2n, m+3n, m+4n.... of the video signal, n being an integer not equal to 0 or 1. The or each further sequence of frames may be a subset of the first sequence. An interactive video system can access and transmit a set as requested by a consumer without further processing of the digital signals.

Procédé de codage d'un signal vidéo représentant une image en mouvement. Ce procédé consiste à générer un premier ensemble de signaux numériques représentant une première séquence de trames du signal vidéo et, au moins, un autre ensemble de signaux numériques représentant une autre séquence de trames du signal vidéo, ladite autre séquence étant constituée de trames m+n, m+2n, m+3n, m+4n... du signal vidéo, n étant un entier non égal à 0 ou 1. L'autre séquence, ou chacune des autres séquences, peut être un sous-ensemble de la première séquence. Un système vidéo interactif peut accéder à un ensemble et transmettre cet ensemble à la demande d'un consommateur sans autre traitement des signaux numériques.

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