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 (CN)
QI FENGYAN (CN)
ZHANG DEJUN (CN)
MIAO LEI (CN)
XU JIANFENG (CN)
TADDEI HERVE MARCEL (CN)
ZHANG QING (CN)
QI FENGYAN (CN)
ZHANG DEJUN (CN)
MIAO LEI (CN)
XU JIANFENG (CN)
TADDEI HERVE MARCEL (CN)
ZHANG QING (CN)
Application Number:
PCT/CN2009/070423
Publication Date:
August 19, 2010
Filing Date:
February 13, 2009
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
GAO YANG (CN)
QI FENGYAN (CN)
ZHANG DEJUN (CN)
MIAO LEI (CN)
XU JIANFENG (CN)
TADDEI HERVE MARCEL (CN)
ZHANG QING (CN)
GAO YANG (CN)
QI FENGYAN (CN)
ZHANG DEJUN (CN)
MIAO LEI (CN)
XU JIANFENG (CN)
TADDEI HERVE MARCEL (CN)
ZHANG QING (CN)
International Classes:
G01L11/04; G10L19/08; G10L19/09; G10L25/90
Foreign References:
| US5999897A | 1999-12-07 | |||
| US6243672B1 | 2001-06-05 | |||
| CN101030374A | 2007-09-05 | |||
| CN1412742A | 2003-04-23 | |||
| CN101030375A | 2007-09-05 | |||
| US4561102A | 1985-12-24 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (Block A Corporate Square, No. 35 Jinrong Street, Beijing 0, CN)
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