Integrating phrasing and intonation modelling using syntactic and morphosyntactic information

Authors:
Francisco Campillo Díaz;Jan van Santen;Eduardo Rodrıguez Banga
Affiliations:
Dpto. Teorıa de la Señal y Comunicaciones, ETSI Telecomunicación, Universidad de Vigo, Campus Universitario, 36200 Vigo, Pontevedra, Spain;Center for Spoken Language Understanding OGI School of Science and Engineering, Oregon Health and Science University, 20000 NW Walker Rd. Beaverton, OR 97006, USA;Dpto. Teorıa de la Señal y Comunicaciones, ETSI Telecomunicación, Universidad de Vigo, Campus Universitario, 36200 Vigo, Pontevedra, Spain
Venue:
Speech Communication
Year:
2009

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Abstract

This paper focuses on the relationship between intonation and syntactic and morphosyntactic information. Although intonation and syntax are both related to dependencies between the different parts of a sentence, and are therefore related to meaning, the precise influence of grammar on intonation is not clear. We describe a novel method that uses syntactic and part-of-speech features in the framework of corpus-based intonation modelling, and which integrates part of the phrasing algorithm in the unit selection stage. Subjective tests confirm an improvement in the quality of the resulting synthetic intonation: 75% of the sentences synthesised with the new intonation model were considered to be better or much better than the sentences synthesised using the old model, while only 7.5% of sentences were rated as worse or much worse.