Exploració per autor "Bonafonte Cávez, Antonio"
Ara es mostren els items 30-49 de 52
-
Parametric modeling of PDF using a convolution of one-sided exponentials: application to HMM
Vidal Manzano, José; Bonafonte Cávez, Antonio; Rodríguez Fonollosa, José Adrián (European Association for Signal Processing (EURASIP), 1994)
Text en actes de congrés
Accés obert -
Prosodic and spectral iVectors for expressive speech synthesis
Jauk, Igor; Bonafonte Cávez, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Comunicació de congrés
Accés obertThis work presents a study on the suitability of prosodic andacoustic features, with a special focus on i-vectors, in expressivespeech analysis and synthesis. For each utterance of two dif-ferent databases, a laboratory ... -
Prosodic break prediction with RNNs
Pascual de la Puente, Santiago; Bonafonte Cávez, Antonio (Springer, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialProsodic breaks prediction from text is a fundamental task to obtain naturalness in text to speech applications. In this work we build a data-driven break predictor out of linguistic features like the Part of Speech (POS) ... -
Rational characteristic functions and markov chains
Vidal Manzano, José; Bonafonte Cávez, Antonio; Losada, N; Rodríguez Fonollosa, José Adrián; Rodríguez Fonollosa, Javier (. S.N., 1995)
Text en actes de congrés
Accés obertAbstract 1 We investigate in this paper how to estimate the density function of a random variable using a parametric ARMA model for its characteristic function. The choice of this model is motivated by the fact that this ... -
Recent work on the FESTCAT database for speech synthesis
Bonafonte Cávez, Antonio; Esquerra Llucià, Ignasi; Aguilar, Lourdes; Oller Moreno, Sergio; Moreno Bilbao, M. Asunción (2009)
Text en actes de congrés
Accés obertThis paper presents our work around the FESTCAT project, whose main goal was the development of voices for the Festival suite in Catalan. In the first year, we produced the corpus and the speech data needed for build ... -
Recognition of numbers by using demisyllables and hidden Markov models
Mariño Acebal, José Bernardo; Bonafonte Cávez, Antonio; Moreno Bilbao, M. Asunción; Lleida Solano, Eduardo; Nadeu Camprubí, Climent; Monte Moreno, Enrique (Elsevier, 1990)
Text en actes de congrés
Accés obert -
Reconocimiento del habla continua mediante modelos ocultos de Markov utilizando la técnica de búsqueda en haz
Lleida Solano, Eduardo; Mariño Acebal, José Bernardo; Bonafonte Cávez, Antonio (Universidad de Málaga, 1992)
Text en actes de congrés
Accés obert -
Search engine for multilingual audiovisual contents
Pérez, José David; Bonafonte Cávez, Antonio; Ruiz Costa-Jussà, Marta; Cardenal, Antonio; Rodríguez Fonollosa, José Adrián; Moreno Bilbao, M. Asunción; Navas, Eva; Rodríguez Banga, Eduardo (2012)
Comunicació de congrés
Accés obertThis paper describes the BUCEADOR search engine, a web server that allows retrieving. multimedia documents (text, audio, video) in different languages. All the documents are translated into the user language and are ... -
SETHOS: the UPC speech understanding system
Bonafonte Cávez, Antonio; Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino (H. TIMOTHY BRUMMELL, WILLIAM IDSARDI CITATION DELAWARE, NEW CASTLE, DELAWARE, 1996)
Comunicació de congrés
Accés restringit per política de l'editorialIn EuroSpeech'95, the authors presented the first version of Sethos, the speech understanding system which has been developed at the UPC. In this paper some improvements are incorporated at different levels of Sethos: ... -
Spanish statistical parametric speech synthesis using a neural vocoder
Bonafonte Cávez, Antonio; Pascual de la Puente, Santiago; Dorca, G. (International Speech Communication Association (ISCA), 2018)
Text en actes de congrés
Accés obertDuring the 2000s decade, unit-selection based text-to-speech was the dominant commercial technology. Meanwhile, the TTS research community has made a big effort to push statistical-parametric speech synthesis to get similar ... -
Speech emotion recognition using hidden Markov models
Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo; Bonafonte Cávez, Antonio; Moreno Bilbao, M. Asunción (2001)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper introduces a first approach to emotion recognition using RAMSES, the UPC’s speech recognition system. The approach is based on standard speech recognition technology using hidden semi-continuous Markov models. ... -
Study of subword units for spanish speech recognition
Bonafonte Cávez, Antonio; Estany, Rafael; Vives, Eugenio (ESCA - J.M. PARDO, E. ENRIQUEZ, J. ORTEGA, J. FERREIROS GTM-UPM, 1995)
Text en actes de congrés
Accés obertThis paper studies different sets of subword speech units to be used for recognizing Spanish. In particular it compares context dependent phones, syllables and demisyllables. It shows how context dependent units can ... -
Synthesis of filled pauses based on a disfluent speech model
Adell Roig, Jordi; Bonafonte Cávez, Antonio; Escudero Mancebo, David (2010)
Comunicació de congrés
Accés restringit per política de l'editorial -
Synthesis using speaker adaptation from speech recognition DB
Oller Moreno, Sergio; Moreno Bilbao, M. Asunción; Bonafonte Cávez, Antonio (Universidad de Vigo, 2010)
Comunicació de congrés
Accés obertThis paper deals with the creation of multiple voices from a Hidden Markov Model based speech synthesis system (HTS). More than 150 Catalan synthetic voices were built using Hidden Markov Models (HMM) and speaker adaptation ... -
Tecnologías del habla : conversión de texto a voz
Bonafonte Cávez, Antonio (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1997)
Article
Accés obert -
The demiphone: An efficient contextual subword unit for continuous speech recognition
Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino; Pachès Leal, Pau; Bonafonte Cávez, Antonio (2000-09)
Article
Accés restringit per política de l'editorialIn this paper, we introduce the demiphone as a context-dependent phonetic unit for continuous speech recognition. A phoneme is divided into two parts: a left demiphone that accounts for the left coarticulation and a right ... -
The demiphone:an efficient subword unit for Continuous Speech Recognition
Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino; Bonafonte Cávez, Antonio (Editors: G. Kokkinakis, N. Fakotakis, E. Dermatas; Editorial: WCL, University of Patras, Grece, 1997)
Text en actes de congrés
Accés obertIn this paper we introduce the demiphone as a contextual phonetic unit for continuous speech recognition. A phone is divided into two parts: a left demiphone that accounts for the left side coarticulation and a right ... -
The UPC Text-to-Speech System for Spanish and Catalan
Bonafonte Cávez, Antonio; Esquerra Llucià, Ignasi; Febrer, A; Rodríguez Fonollosa, José Adrián; Vallverdú Bayés, Sisco (ISCA, 1998)
Text en actes de congrés
Accés obertThis paper summarizes the text-to-speech system that has been developed in the Speech Group of the Universitat Politècnica de Catalunya (UPC). The system is composed of a core and different interfaces so that it is compatible ... -
Time-domain speech enhancement using generative adversarial networks
Pascual de la Puente, Santiago; Serra, Joan; Bonafonte Cávez, Antonio (2019-11-01)
Article
Accés obertSpeech enhancement improves recorded voice utterances to eliminate noise that might be impeding their intelligibility or compromising their quality. Typical speech enhancement systems are based on regression approaches ... -
TTS evaluation campaign with a common spanish database
Sainz, Iñaki; Navas, Eva; Hernáez, Inma; Bonafonte Cávez, Antonio; Campillo, Francisco (2010)
Text en actes de congrés
Accés obertThis paper describes the first TTS evaluation campaign designed for Spanish. Seven research institutions took part in the evaluation campaign and developed a voice from a common speech database provided by the organisation. ...