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Matoušek, J and Skarnitzl, R. and Tihelka, D. and Machač, P. : Removing Preglottalization from Unit-Selection Synthesis: Towards the Linguistic Naturalness of Synthetic Czech Speech . IAENG International Journal of Computer Science, vol. 39, p. 123-130, 2012.

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IAENG Internat. J. Computer Science 2012, 39(1)

Abstract

This paper represents another step towards the linguistic naturalness of synthetic Czech. Its main goal is to eliminate undesirable occurrences of the so-called parasitic speechsounds, specifically preglottalization, from synthesized speech. After explaining the nature of parasitic speechsounds in Czech, we present procedures for both automatic detection and segmentation of these sounds in the source speech recordings. The main contribution of this paper consists in the proposal and implementation of two ways of synthesizing speech without preglottalization---cutting the parasitic sound from the signal and penalizing preglottalization during unit selection. Both these ways succeeded in suppressing the intrusiveness of preglottalization, with the latter method being evaluated as superior.

Detail of publication

Title: Removing Preglottalization from Unit-Selection Synthesis: Towards the Linguistic Naturalness of Synthetic Czech Speech
Author: Matoušek, J ; Skarnitzl, R. ; Tihelka, D. ; Machač, P.
Language: English
Date of publication: 27 Feb 2012
Year: 2012
Type of publication: Papers in journals
Title of journal or book: IAENG International Journal of Computer Science
Číslo vydání: 39
Page: 123 - 130
ISSN: 1819-656X
/ 2012-05-30 22:55:00 /

Keywords

parasitic speech sound, preglottalization, linguistic naturalness, speech synthesis, unit selection

BibTeX

@ARTICLE{MatousekJ_2012_Removing,
 author = {Matou\v{s}ek, J and Skarnitzl, R. and Tihelka, D. and Macha\v{c}, P.},
 title = {Removing Preglottalization from Unit-Selection Synthesis: Towards the Linguistic Naturalness of Synthetic Czech Speech},
 year = {2012},
 journal = {IAENG International Journal of Computer Science},
 volume = {39},
 pages = {123-130},
 ISSN = {1819-656X},
 url = {http://www.kky.zcu.cz/en/publications/MatousekJ_2012_Removing},
}