METHOD AND DEVICE FOR PITCH PERIOD DETECTION - HUAWEI TECHNOLOGIES CO., LTD.

Title:

METHOD AND DEVICE FOR PITCH PERIOD DETECTION

Document Type and Number:

WIPO Patent Application WO/2010/091554

Kind Code:

A1

Abstract:

A method of pitch period detection and a corresponding device are presented in the field of speech processing. The method includes: detecting the pitch for an input signal in the signal field to obtain a candidate pitch period; performing linear prediction for the input signal to obtain a linear residual signal; setting a candidate pitch period range which includes the said candidate pitch period; searching the said linear residual signal in the candidate pitch period range to obtain the selected pitch period.

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Inventors:

GAO, Yang (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
高扬 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
QI, Fengyan (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
齐峰岩 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
ZHANG, Dejun (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
张德军 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
MIAO, Lei (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)

Application Number:

CN2009/070423

Publication Date:

August 19, 2010

Filing Date:

February 13, 2009

Export Citation:

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Assignee:

HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
华为技术有限公司 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
GAO, Yang (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
高扬 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
QI, Fengyan (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
齐峰岩 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)
ZHANG, Dejun (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
张德军 (中国广东省深圳市龙岗区坂田华为基地总部办公楼, Guangdong 9, 518129, CN)

International Classes:

G01L11/04

Attorney, Agent or Firm:

BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (16th Fl, Block A Corporate Square, No. 35 Jinrong Street, Beijing 0, 100140, CN)

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