Device and method for generating a multi-channel signal or a...

G - Physics – 10 – L

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G10L 19/00 (2006.01) H04S 3/00 (2006.01)

Patent

CA 2579114

For flexibly signaling a synchronous mode or an asynchronous mode in the multi-channel parameter reconstruction, a parameter configuration cue is inserted in the data stream, which is used by a configuration means on the side of a multi-channel decoder to configure a multi-channel reconstruction means. If the parameter configuration cue has a first meaning, the configuration means will look for further configuration information in its input data, while, when the parameter configuration cue has another meaning, the configuration means performs a configuration setting of the multi-channel reconstruction means based on information on a coding algorithm with which transmission channel data have been coded, so that it is ensured efficiently on the one hand and flexibly on the other hand that there will always be obtained a correct association between parameter data and decoded transmission channel data.

Pour permettre une signalisation flexible d'un mode synchrone ou d'un mode asynchrone dans la cas d'une reconstitution de paramètres multicanal, une instruction de configuration de paramètres est insérée dans le flux de données, ladite instruction étant utilisée par un dispositif de configuration du côté d'un décodeur multicanal afin de configurer un dispositif de reconstitution multicanal. Lorsque l'instruction de configuration de paramètres a une première signification, le dispositif de configuration recherche parmi ses données d'entrée, d'autres informations de configuration, alors que, lorsque l'instruction de configuration de paramètres a une autre signification, le dispositif de configuration réalise, en raison d'informations relatives à un algorithme de codage avec lequel des données de canal de transmission ont été codées, un ajustage de la configuration du dispositif de reconstitution multicanal de sorte qu'il est garantit de façon efficace et flexible que l'on obtient toujours une association correcte entre des données paramètres et des données de canal de transmission décodées.

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