Method and apparatus for processing a media signal

Details Method and apparatus for processing a media signal Method and apparatus for processing a media signal

G - Physics

10

L

G10L 19/00 (2006.01)

Patent

CA 2636494

An apparatus for processing a media signal and method thereof are disclosed, by which the media signal can be converted to a surround signal by using spatial information of the media signal. The present invention provides a method of processing a signal, the method comprising of generating source mapping information corresponding to each source of multi-sources by using spatial information indicating features between the multi-sources; generating sub-rendering in¬ formation by applying filter information giving a surround effect to the source mapping in¬ formation per the source; generating rendering information for generating a surround signal by integrating the at least one of the sub-rendering information; and generating the surround signal by applying the rendering information to a downmix signal generated by downmixing the multi- sources.

La présente invention concerne un appareil pour traiter un signal média et un procédé correspondant, grâce auxquels le signal média peut être converti en un signal stéréo par utilisation d'informations spatiales du signal média. Le procédé de traitement de signal de l'invention consiste à produire des informations de mise en correspondance de sources relatives à chaque source d'une pluralité de sources, par utilisation d'informations spatiales indiquant des caractéristiques entre les sources, produire des informations de sous-rendu par application d'informations de filtre donnant un effet stéréophonique aux informations de mise en correspondance de sources par source, produire des informations de rendu pour produire un signal stéréo par intégration des informations de sous-rendu, et produire le signal stéréo par application des informations de rendu à un signal de mélange abaisseur produit en réalisant un mélange abaisseur sur les multiples sources.

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