Patent ID: 7471775
Filing Date: 2008-12-30
Classification: G10L,H04M

Abstract:
1. A method used to update a voice tag, the method comprising: determining an accepted stored voice tag from an utterance, wherein the accepted stored voice tag comprises a stored set of N voice tag phoneme sequences that are associated with a semantic and a reference phoneme histogram; extracting a current set of M phoneme sequences having highest likelihoods of representing the utterance, using a stored set of language phonemes; updating the reference phoneme histogram by using an updating phoneme histogram derived from the current set of M phoneme sequences; and updating the voice tag with N selected phoneme sequences that are selected from the current set of M phoneme sequences and the stored set of N voice tag phoneme sequences, wherein the N selected phoneme sequences have associated phoneme histograms most closely matching the reference phoneme histogram, and wherein the updating of the voice tag is performed after the updating of the reference phoneme histogram.