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Method and an apparatus for processing a signal

Lee, Hyunkook, Sung Yong, Yoon, Dong Soo, Kim and Jae Hyun, Lim (2013) Method and an apparatus for processing a signal. US8346379.

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A method of processing a signal is disclosed. The present invention includes receiving a downmix signal generated from plural channel signal and spatial information indicating attribute of the plural channel signal to upmix the downmix signal; obtaining inter-channel phase difference (IPD) coding flag indicating whether IPD value is used to the spatial information from header of the spatial information; obtaining IPD mode flag based on the IPD coding flag from the frame of the spatial information, the IPD mode flag indicating whether the IPD value is used to a frame of the spatial information; obtaining the IPD value of parameter band of parameter time slot in the frame, based on the IPD mode flag; smoothing the IPD value by modifying the IPD value by using IPD value of previous parameter time slot; and generating plural channel signal by applying the smoothed IPD value to the downmix signal.

Item Type: Patent
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering
School of Music, Humanities and Media > CeReNeM
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Depositing User: Hyunkook Lee
Date Deposited: 14 Oct 2014 13:57
Last Modified: 28 Aug 2021 18:52


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