Large Vocabulary Continuous Speech Recognition - Berlin Chen

TC vs. WC: Conflicting Expectations• Word-conditioned hypotheses seem to be morecondense– Since we have got rid of the word boundary information whenperforming path recombination• The number of time-conditioned hypotheses might besmaller because the number of possible start times(1,…,T) is always smaller than the number of wordhistories in the word-conditioned search– E.g., a recognition task consisting of 10,000 words and asentence consisting of 2000 frames2 × 10(TC)3