Speed Compensation for Improving Thai Spelling Recognition with a Continuous Speech Corpus

نویسندگان

  • Chutima Pisarn
  • Thanaruk Theeramunkong
چکیده

Spelling recognition is an approach to enhance a speech recognizer to cope with incorrectly recognized words and out-of-vocabulary words. This paper presents a general framework for Thai speech recognition, enhanced with spelling recognition. To implement Thai spelling recognition, Thai alphabets and their spelling methods are analyzed. Based on hidden Markov models, we propose a method to construct a Thai spelling recognition system using an existing continuous speech corpus. To compensate for speed differences between spelling utterances and continuous speech utterances, the adjustment of utterance speed is taken into account. Our system achieves up to 87.37% correctness and 87.18% accuracy with the mix-type language model.

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تاریخ انتشار 2004