Title :
Pitch determination based on LMS algorithm
Author :
Xiongwei, Zhang ; Xianzhi, Chen
Author_Institution :
Nanjing Inst. of Commun. Eng., China
Abstract :
In many speech analysis and coding systems, it is necessary to determine the pitch period for voiced speech. Among the available pitch determination methods, there are some methods which can reach high performance under noise-free environments; however, their robustness to noise is very poor. In order to improve the robust performance of pitch determination, an adaptive pitch determination method based on the LMS algorithm is proposed. The computer simulation results show that it is very robust under noise environments
Keywords :
adaptive filters; encoding; least squares approximations; noise; speech analysis and processing; LMS algorithm; adaptive pitch determination method; computer simulation; noise robustness; pitch determination; robust performance; speech analysis; speech coding; Adaptive algorithm; Adaptive filters; Delay effects; Delay estimation; Frequency domain analysis; Least squares approximation; Noise robustness; Speech analysis; Speech synthesis; Working environment noise;
Conference_Titel :
Circuits and Systems, 1991. Conference Proceedings, China., 1991 International Conference on
Conference_Location :
Shenzhen
DOI :
10.1109/CICCAS.1991.184271
