Patent ID: 6397180
Filing Date: 2002-05-28
Classification: G10L

Abstract:
A method for improving word classification performance of a speech recognition system allowing multiple speech attempts from a user, the method comprising:storing a predefined vocabulary of word models and non-word models, the word models containing speech representations of acceptable words and the non-word models containing speech representations of non-words; comparing each of the speech attempts to the word models and the non-word models to determine a plurality of best words and corresponding word scores and non-word scores for each of the speech attempts; determining at least one common best word from among all the speech attempts; determining if the at least one common best word is a highest-ranking best word based on the corresponding word scores for all speech attempts by the user; if so, classifying the multiple speech attempts as the at least one common best word if the at least one common best word is the highest-ranking best word for all the speech attempts; and if not, performing an objective test on each of the at least one common best word to classify the multiple speech attempts.