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In this thesis, we mainly propose a technique for Continuous Speech Wordspotting System based on Sub- Syllable Unit. A Connected Word Recognition Algorithm has been implemented. We discuss techniques for dealing with both non- keyword speech models and keyword speech models in training. An HMM-based connected word recognition sys- tem is used to find the best sequence of keyword, non- keyword for matching the actual input. In this thesis, we task with a 35 Keyword by telephone network system to simulate an automatic recognition system of the Ph- one Operator for speaker independent case.
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