Importance

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Abstract

A method, program product, and system for speech recognition, the method comprising in one embodiment pruning a hypothesis based on a first criteria; storing information about the pruned hypothesis; and reactivating the pruned hypothesis if a second criterion is met. In an embodiment, the first criteria may be that another hypothesis has a better score at that time by some predetermined amount. In an embodiment, the stored information may comprise at least one of a score for the pruned hypothesis, an identification of the hypothesis that caused the pruning and the frame in which the pruning took place. In a further embodiment, the reactivating step may use at least some of the stored information about the pruned hypothesis in performing the reactivation and the second criteria may be that a revised score for the hypothesis that caused the pruning is worse by some predetermined amount from an original expected score calculated for that hypothesis.

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First Claim