A method and an apparatus for processing a signal

Details A method and an apparatus for processing a signal A method and an apparatus for processing a signal

G - Physics

10

L

G10L 19/00 (2006.01) G11B 20/10 (2006.01) H03M 7/30 (2006.01) H04N 7/24 (2006.01)

Patent

CA 2710741

An apparatus for processing a signal and method thereof are disclosed. The present invention includes receiving a downmix signal generated from a plural -channel signal, mix information and phase shift information on the plural -channel signal, upmixing the downmix signal into the plural -channel signal by applying the mix information to the downmix signal, and generating an original plural -channel signal by shifting a phase of at least one channel of the plural-channel signal based on the phase shift information. According to the present invention compensate a reconstructed original plural -channel signal using compensation information (phase shift information), thereby compensating a phase or a gain lost in the plural -channel signal reconstructed by upmixing using mix information.

L'invention concerne un appareil de traitement de signal et un procédé associé. La présente invention consiste à recevoir un signal de mixage réducteur généré à partir d'un signal multicanal, une information de mixage et une information de décalage de phase sur le signal multicanal, à effectuer un mixage élévateur du signal de mixage réducteur dans le signal multicanal par l'application de l'information de mixage au signal de mixage réducteur, et à générer un signal multicanal original par un décalage de phase d'au moins un canal du signal multicanal fondé sur l'information de décalage de phase. Selon la présente invention, on compense un signal multicanal original reconstruit au moyen d'une information de compensation (information de décalage de phase), compensant ainsi une phase ou une perte de gain dans le signal multicanal reconstruit par un mixage élévateur au moyen d'une information de mixage.

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