Sixth European Conference on Speech Communication and Technology (EUROSPEECH'99) Budapest, Hungary September 5-9, 1999

Sinusoidal Representation and Auditory Model-Based Parametric Matching and Smoothing and its Application in Speech Analysis/Synthesis

Oscar C. Au, Wanggen Wan, Cyan L. Keung, Chi H. Yim

Department of Electrical and Electronic Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong

This paper presents a parametric matching and smoothing method that is applied to a sinusoidal representation and auditory model-based speech analysis/synthesis system. A 2.6kbps speech-coding algorithm is finally derived based on the speech analysis/synthesis system. The synthetic speech is almost same as that of 3.25kbps speech coding algorithm with overlapping and adding method. A linear interpolation method is utilized to smooth the amplitude parameters, and a nonlinear polynomial interpolation method is used to smooth the frequency and phase parameters. The experimental results demonstrate that the parametric matching and smoothing method can reduce the bit-rate with the speech quality unchanged when it is applied to the sinusoidal representation and auditory model-based speech-coding algorithm.

Full Paper (PDF)

Bibliographic reference.  Au, Oscar C. / Wan, Wanggen / Keung, Cyan L. / Yim, Chi H. (1999): "Sinusoidal representation and auditory model-based parametric matching and smoothing and its application in speech analysis/synthesis", In EUROSPEECH'99, 2287-2290.