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Paper Abstract and Keywords
Presentation 2008-06-26 09:20
On F0 contour Estimation Based on Robust Time-Varying Complex Speech Analysis
Keiichi Funaki (Univ. of the Ryukyus)
Abstract (in Japanese) (See Japanese page) 
(in English) We have already proposed robust $F_0$ estimation algorithm based on complex AR speech analysis
for analytic speech signal. In the $F_0$ estimation, complex-valued residual is calculated by
using complex AR speech analysis for analytic speech signal and the weighted autocorrelation
function with a reciprocal of the AMDF is calculated and then the peak sample is searched
in order to estimate $F_0$ value for each frame. We have already reported that the proposed
$F_0$ estimation can estimate more robust $F_0$ estimation than conventional ones for IRS filtered speech
since the complex-valued residual contains less components of first formant ($F_1$)
due to the nature of the analytic speech. Moreover, we have already proposed
$F_0$ contour estimation algorithm based on time-varying complex AR (TV-CAR) speech analysis method,
in which $F_0$ contour is estimated by peak-picking of the estimated time-varying
speech spectrum with formant estimation manner.
In this paper, robust ELS-based or Forward and Backward LP based TV-CAR speech analysis is employed to estimate
more accurate $F_0$ contour.
Keyword (in Japanese) (See Japanese page) 
(in English) $F_0$ contour estimation / analytic signal / complex speech analysis / time-varying analysis / formant estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 108, SIP2008-36, pp. 7-12, June 2008.
Paper # SIP2008-36 
Date of Issue 2008-06-19 (CAS, VLD, SIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee VLD CAS SIP  
Conference Date 2008-06-26 - 2008-06-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2008-06-VLD-CAS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On F0 contour Estimation Based on Robust Time-Varying Complex Speech Analysis 
Sub Title (in English)  
Keyword(1) $F_0$ contour estimation  
Keyword(2) analytic signal  
Keyword(3) complex speech analysis  
Keyword(4) time-varying analysis  
Keyword(5) formant estimation  
1st Author's Name Keiichi Funaki  
1st Author's Affiliation University of the Ryukyus (Univ. of the Ryukyus)
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Date Time 2008-06-26 09:20:00 
Presentation Time 20 
Registration for SIP 
Paper # IEICE-CAS2008-2,IEICE-VLD2008-15,IEICE-SIP2008-36 
Volume (vol) IEICE-108 
Number (no) no.104(CAS), no.106(VLD), no.108(SIP) 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2008-06-19,IEICE-VLD-2008-06-19,IEICE-SIP-2008-06-19 

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