Scaleable video system having shared control circuits for...

H - Electricity – 04 – N

Patent

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H04N 5/00 (2006.01)

Patent

CA 2374530

A video system is comprised of: a) a single supervisor processor (10), and multiple co-processors (20-1, 20-2,..) selectable in number and coupled via a bus (30) to the single supervisor processor; b) a supervisor memory (11) coupled to the supervisor processor and storing a respective portion (12) of each of several video streams; c) a control program (24) in each co-processor which selectively reads the stored video stream portions from the supervisor memory and sends each video stream portion read to a different viewer; and d) a control program (14) for the single supervisor processor, which dynamically updates the stored portion of each video stream in the supervisor memory and which services external request to change the respective viewers of each video stream.

Un système vidéo comprend: (a) un seul processeur de contrôle (10) ainsi que des coprocesseurs multiples (20-1, 20-2, ...) dont le nombre est sélectionnable et couplés via un bus (30) au seul processeur de contrôle; (b) une mémoire de contrôle (11) couplée au processeur de contrôle et stockant une partie respective (12) de chacun des trains d'informations vidéo; (c) un programme de gestion (24) dans chaque coprocesseur lequel lit sélectivement des parties des trains d'informations vidéo stockées dans la mémoire de contrôle et envoie chaque partie de trains d'informations vidéo lues à un spectateur différent; et (d) un programme de gestion (14) destiné au seul processeur de contrôle, lequel actualise de façon dynamique la partie stockée de chaque train d'informations vidéo dans la mémoire de contrôle et prend en charge les demandes extérieures afin de changer les spectateurs respectifs de chaque train d'informations vidéo.

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