Pervasive Speech and Language Technology


Advances in human language technology offer the promise of pervasive access to on-line information and electronic services. Since almost everyone speaks and understands a language, the development of natural language systems will allow the average person to interact with computers anytime and anywhere without special skills or training, using common devices such as a mobile telephone. The latest results and component technologies [br multilingual and robust speech processing, prosodic analysis, parsing, semantic analysis, discourse understanding, translation, and speech synthesis are reviewed using the Verbmobil system as an example. Verbmobil is a speaker-independent and bidirectional speech-to-speech translation system for spontaneous dialogs in mobile situations. It recognizes spoken input, analyses and translates it, and finally utters the translation. The multilingual system handles dialogs in three business-oriented domains, with context-sensitive translation between three languages (German, English, and Japanese). We will show that the most successfhl current systems are based on hybrid architectures incorporating both deep and shallow processing schemes

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