Quasi-Periodic Signal Analysis Using Harmonic Transform with Application to Voiced Speech Processing

被引：0

作者：

Zubrycki, Piotr ^{[1
]}

Petrovsky, Alexander ^{[1
]}

机构：

[1] Bialystok Tech Univ, Fac Comp Sci, Dept Real Time Syst, PL-15351 Bialystok, Poland

来源：

2010 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS | 2010年

关键词：

COMPONENTS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new method for quasi-periodic signal analysis and modelling with application to speech processing is proposed in this paper. The model of quasi-periodic signal treats the signal as a composition the two components. Periodic component is modelled as a sum of harmonically related sinusoidal partials with slowly time-varying amplitudes and frequencies, aperiodic component is modulated white noise. Fundamental frequency, amplitudes and phases of the harmonics are estimated in spectral domain using the harmonic spectrum provided by Harmonic Transform (HT). Kernel of the HT is synchronised with fundamental frequency changes providing pulse-train spectrum.

引用

页码：2374 / 2377

页数：4

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