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Method and an apparatus for processing a signal

Lee, Hyunkook, Dong Soo, Kim, Sung Yong, Yoon and Jae Hyun, Lim (2012) Method and an apparatus for processing a signal. US8258849.

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A method of processing a signal is disclosed. The present invention includes receiving (a) a downmix signal being generated from plural-channel signal and (b) spatial information indicating attribute of the plural-channel signal, in order to upmix the downmix signal; obtaining inter-channel phase difference(IPD) coding flag indicating whether IPD value is used to the spatial information from a header of the spatial information; obtaining IPD mode flag indicating whether the IPD is used to frame of the spatial information from the frame based on the IPD coding flag; obtaining the IPD value from a parameter band in the frame based on the IPD mode flag; generating plural-channel signal by applying the IPD value to the downmix signal, wherein the spatial information is divided by header and a plurality of the frame and wherein the IPD value indicates phase difference between two channels of the plural-channel signal and wherein the parameter band is at least one sub-band of frequency domain including the IPD value.

Item Type: Patent
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Music Technology and Production Research Group
School of Music, Humanities and Media > CeReNeM
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Depositing User: Hyunkook Lee
Date Deposited: 14 Oct 2014 14:05
Last Modified: 28 Aug 2021 18:52


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