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Title:
METHOD AND DEVICE FOR EXTRACTING INTER-CHANNEL PHASE DIFFERENCE PARAMETER
Document Type and Number:
WIPO Patent Application WO/2017/206416
Kind Code:
A1
Abstract:
A method and device for extracting an inter-channel phase difference parameter. The method comprises: obtaining a parameter for determining the information extraction mode for a current frame of a multi-channel signal (S101); determining, on the basis of the parameter for determining the information extraction mode for the current frame of the multi-channel signal, the extraction mode for the inter-channel phase (IPD) parameter of the multi-channel signal of the current frame (S102), the determined extraction mode for the IPD parameter of the multi-channel signal of the current frame being one of at least two pre-configured IPD parameter extraction modes; extracting, on the basis of the determined extraction mode for the IPD parameter of the multi-channel signal of the current frame, the IPD parameter of the multi-channel signal of the current frame (S103). The present invention enhances the selection variety of IPD parameter extraction mode, better keeps phase information, and improves audio encoding quality.

Inventors:
ZHANG, Xingtao (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
LI, Haiting (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
LIU, Zexin (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
MIAO, Lei (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2016/102128
Publication Date:
December 07, 2017
Filing Date:
October 14, 2016
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
G10L19/008
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO., LTD. (Room 1508, Huihua Commercial & Trade BuildingNo. 80, Xianlie Zhong Road, Yuexiu Distric, Guangzhou Guangdong 0, 510070, CN)
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