Spoken Language Processing: A Guide to Theory, Algorithm, and System Development
Spoken Language Processing: A Guide to Theory, Algorithm, and System Development
Comparative Study on Bigram Language Models for Spoken Czech Recognition
TSD '02 Proceedings of the 5th International Conference on Text, Speech and Dialogue
A Large Czech Vocabulary Recognition System for Real-Time Applications
TDS '00 Proceedings of the Third International Workshop on Text, Speech and Dialogue
A voice-operated multi-domain telephone information system
ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 06
Voice Chat with a Virtual Character: The Good Soldier Svejk Case Project
TSD '02 Proceedings of the 5th International Conference on Text, Speech and Dialogue
Comparative Study on Bigram Language Models for Spoken Czech Recognition
TSD '02 Proceedings of the 5th International Conference on Text, Speech and Dialogue
COST'09 Proceedings of the Second international conference on Development of Multimodal Interfaces: active Listening and Synchrony
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This paper presents a set of 'strategies' that enabled the development of a real-time continuous speech recognition system for Czech language. The optimization strategies include efficient computation of HMM probability densities, pruning schemes applied to HMM states, words and word hypotheses, a bigram compression technique as well as parallel implementation of the real recognition system. In a series of off-line speaker-independent tests done with 1,600 Czech sentences based on 7,033-word lexicon we got 65% recognition rate. Several on-line tests proved that similar rates can be achieved under real conditions and with response time that is shorter than 1 second.