Paper: Voice Simulation: Factors Affecting Quality And Naturalness

ACL ID P84-1113
Title Voice Simulation: Factors Affecting Quality And Naturalness
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1984

In this paper we describe a flexible analysls-synthesls system which can be used for a number of studies In speech research. The maln objective Is to have a synthesis system whose characteristics can be controlled through a set of parameters to realize any desired voice characteristics. The basic synthesis scheme consists of two steps: Generation of an excita- tion signal from pitch and galn contours and excitation of the linear system model described by linear prediction coefficients, We show that a number of basic studies such as time expansion/ compression, pitch modifications and spectral expansion/compression can be made to study the effect of these parameters on the quality of synthetic speech. A systematic study is made to determine factors responsible for unnaturalness tn synthetic...