Abstract
In the last two decades, there has been an important increase in research on speech technology in Spain, mainly due to a higher level of funding from European, Spanish and local institutions and also due to a growing interest in these technologies for developing new services and applications. This paper provides a review of the main areas of speech technology addressed by research groups in Spain, their main contributions in the recent years and the main focus of interest these days. This description is classified in five main areas: audio processing including speech, speaker characterization, speech and language processing, text to speech conversion and spoken language applications. This paper also introduces the Spanish Network of Speech Technologies (RTTH. Red Temática en Tecnologías del Habla) as the research network that includes almost all the researchers working in this area, presenting some figures, its objectives and its main activities developed in the last years.
Highlights
In the last 20 years, there has been an important expansion of research in speech technology in Spain: the number of research groups has increased from 3 to more than 20 distributed all along the Spanish geography in more than 20 different universities and research centres
This increase in the number of research groups focused on speech technology has allowed, on the one hand, to deal with a wide range of applications involving these technologies: from audio processing for extracting speech in multimedia contents, to multimodal and multilingual spoken dialogue applications, including speech translation, oral communication disorder detection, applications oriented to people with disabilities, etc
This paper provides a review of the main areas of speech technology addressed by research groups in Spain, their main contributions in the recent years and the main focuses of interest these days
Summary
Antonio Rubio led a group of researchers for creating the Spanish Network of Speech Technology (RTTH: Red Temática en Tecnologías del Habla: www.rthabla.es). Nowadays, this network includes more than 250 researches from more than 20 different Spanish universities and research centres. As it is shown, the high number of researchers reveals an important critical mass on these technologies in Spain which are responsible for a high number of EU or domestic projects, and which were responsible for important amount of research events organized during the last 5 years. This description is organized in four sections: audio processing including speech, speaker characterization, speech and language processing, and spoken language systems
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