Letter-to-sound conversion for Galician TTS systems. Braga, D. and Coelho, L. In Buera, L.; Lleida, E.; Miguel, A.; and Ortega, A., editors, IV Jornadas en Tecnología del Habla, pages 171-176. Universidad de Zaragoza - Red Temática en Tecnologías del Habla, Zaragoza.
Letter-to-sound conversion for Galician TTS systems [link]Paper  abstract   bibtex   
In this paper, a linguistically rule-based letter-to-sound (LTS) conversion algorithm is described for Galician language. A complete set of phonological transcription rules regarding the Galician standard variety is presented. A SAMPA computer readable phonetic alphabet for Galician is also proposed. The algorithm was implemented and tested by using CORGA text materials. The obtained experimental results gave rise to 98.5% of accuracy rate. The main errors were identified and possible solutions are discussed in order to increase this value. It is also demonstrated in our work that there is a very good matching between Galician, European Portuguese and Brazilian Portuguese LTS conversion algorithms. Our purpose with this work is to develop a module that can improve synthetic speech naturalness in Galician. Other applications of this system can be expected like language teaching/learning. These results, have proved the dramatic importance of linguistic knowledge on the development of Text-to-Speech systems (TTS).
@incollection{braga_letter--sound_2006,
	Address = {Zaragoza},
	Author = {Braga, Daniela and Coelho, Luís},
	Booktitle = {IV Jornadas en Tecnología del Habla},
	Date = {2006},
	Date-Modified = {2016-09-24 18:55:59 +0000},
	Editor = {Buera, Luis and Lleida, Eduardo and Miguel, Antonio and Ortega, Alfonso},
	File = {Attachment:files/1513/Braga, Coelho - 2006 - Letter-to-sound conversion for Galician TTS systems.pdf:application/pdf},
	Keywords = {automatic phonetic transcription, Galician, phonetics, SAMPA, transcription},
	Pages = {171-176},
	Publisher = {Universidad de Zaragoza - Red Temática en Tecnologías del Habla},
	Title = {Letter-to-sound conversion for Galician TTS systems},
	Url = {http://lorien.die.upm.es/~lapiz/rtth/JORNADAS/IV/4jth_cdrom.html},
	Abstract = {In this paper, a linguistically rule-based letter-to-sound (LTS) conversion algorithm is described for Galician language. A complete set of phonological transcription rules regarding the Galician standard variety is presented. A SAMPA computer readable phonetic alphabet for Galician is also proposed. The algorithm was implemented and tested by using CORGA text materials. The obtained experimental results gave rise to 98.5\% of accuracy rate. The main errors were identified and possible solutions are discussed in order to increase this value. It is also demonstrated in our work that there is a very good matching between Galician, European Portuguese and Brazilian Portuguese LTS conversion algorithms. Our purpose with this work is to develop a module that can improve synthetic speech naturalness in Galician. Other applications of this system can be expected like language teaching/learning. These results, have proved the dramatic importance of linguistic knowledge on the development of Text-to-Speech systems (TTS).},
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