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Titolo:
Reducing audible spectral discontinuities
Autore:
Klabbers, E; Veldhuis, R;
Indirizzi:
Eindhoven Univ Technol, Ctr User Syst Interact, IPO, NL-5600 MB Eindhoven,Netherlands Eindhoven Univ Technol Eindhoven Netherlands NL-5600 MB oven,Netherlands
Titolo Testata:
IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING
fascicolo: 1, volume: 9, anno: 2001,
pagine: 39 - 51
SICI:
1063-6676(200101)9:1<39:RASD>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPEECH;
Keywords:
audible discontinuities; context-sensitive diphones; spectral distance measures;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Klabbers, E Eindhoven Univ Technol, Ctr User Syst Interact, IPO, POB 513, NL-5600 MB Eindhoven, Netherlands Eindhoven Univ Technol POB 513 EindhovenNetherlands NL-5600 MB
Citazione:
E. Klabbers e R. Veldhuis, "Reducing audible spectral discontinuities", IEEE SPEECH, 9(1), 2001, pp. 39-51

Abstract

In this paper, a common problem in diphone synthesis is discussed, viz., the occurrence of audible discontinuities at diphone boundaries. Informal observations show that spectral mismatch is most likely the cause of this phenomenon. We first set out to find an objective spectral measure for discontinuity. To this end, several spectral distance measures are related to the results of a listening experiment, Then, we studied the feasibility of extending the diphone database with context-sensitive diphones to reduce the occurrence of audible discontinuities. The number of additional diphones is limited by clustering consonant contexts that have a similar effect on the surrounding vowels on the basis of the best performing distance measure. A listening experiment has shown that the addition of these contest-sensitive diphones significantly reduces the amount of audible discontinuities.

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Documento generato il 09/04/20 alle ore 00:21:15