Abstract: This paper describes the synthesizers Cotovía and Cotovía-hts developed by the Group of Multimedia Technologies of the University of Vigo, in cooperation with "Centro Ramón Piñeiro para a Investigación en Humanidades". Cotovía is a state-of-the-art concatenative system based on a combined selection of acoustic and intonation units, while Cotovía-hts is a preliminary version of a synthesizer based on HMM technology.
Index Terms: speech synthesis, unit selection, statistical parametric, HMMs.