NDLI: A Noise Compensation LPC Method Based on Pitch Synchronous Analysis for Speech

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A Noise Compensation LPC Method Based on Pitch Synchronous Analysis for Speech

Content Provider	Semantic Scholar
Author	Liu, Liqing Shimamura, Tetsuya
Copyright Year	2013
Abstract	Abstract It is well known that linear predictive coding (LPC) is sensitive to additive noise and thatthe corresponding noise compensation method suﬀers from poor accuracy of noise power estimation. Inthis paper, a novel noise compensation LPC method based on pitch synchronous analysis is presented.Using the proposed method, a more accurate estimation of noise power is calculated on each current frame.Experimental results show that the proposed method yields better performance than some conventionalLPC analysis methods in the presence of white noise. Keywords: LPC, pitch period, pitch synchronous, noise compensation, autocorrelation 1. IntroductionLinear predictive coding (LPC) [1] is the most com-monly used technique for speech analysis, which canestimate the spectral envelope of a voiced speech sig-nal by modeling it by a set of parameters closely re-lated to the speech production transfer function. Thetransfer function used in LPC modeling is expressedby H ( z )= G 1 − ∑ Mi =1 a i z
Starting Page	283
Ending Page	292
Page Count	10
File Format	PDF HTM / HTML
DOI	10.2299/jsp.17.283
Volume Number	17
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/jsp/17/6/17_283/_pdf
Alternate Webpage(s)	https://www.researchgate.net/profile/Tetsuya_Shimamura/publication/259561797_A_Noise_Compensation_LPC_Method_Based_on_Pitch_Synchronous_Analysis_for_Speech/links/00b4952c801a16bf04000000.pdf
Alternate Webpage(s)	https://doi.org/10.2299/jsp.17.283
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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