US5749069 Патенты
A speech recognition apparatus includes a data input portion to which input data which is a speech pattern is applied, a score calculation portion calculating a score indicating a possibility of recognition of a partial pattern of the speech pattern based on the estimate of a posteriori odds, an optimization design portion designing optimized parameters for calculating the estimate of the a posteriori odds in the score calculation portion and/or optimized parameters of pruning functions controlling calculation amount in the pruning processing portion, a pruning processing portion pruning the s
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