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Title: On the development of an automatic voice pleasantness classification and intensity estimation system
Authors: Pinto-Coelho, L.
Braga, D.
Sales-Dias, M.
Garcia-Mateo, C.
Keywords: Voice pleasantness
Subtle emotions
Perceptual speech analysis
Text-to-Speech synthesis
Issue Date: Jan-2013
Publisher: Elsevier
Abstract: In the last few years, the number of systems and devices that use voice based interaction has grown significantly. For a continued use of these systems, the interface must be reliable and pleasant in order to provide an optimal user experience. However there are currently very few studies that try to evaluate how pleasant is a voice from a perceptual point of view when the final application is a speech based interface. In this paper we present an objective definition for voice pleasantness based on the composition of a representative feature subset and a new automatic voice pleasantness classification and intensity estimation system. Our study is based on a database composed by European Portuguese female voices but the methodology can be extended to male voices or to other languages. In the objective performance evaluation the system achieved a 9.1 error rate for voice pleasantness classification and a 15.7 error rate for voice pleasantness intensity estimation.
Description: WOS:000311524800005 (Nº de Acesso Web of Science)
Peer reviewed: Sim
ISSN: 0885-2308
Publisher version: The definitive version is available at:
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica
ADETTI-RI - Artigo em revista científica internacional com arbitragem científica

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