PHONETIC ALIGNMENT FOR USER-AGENT DIALOGUE RECOGNITION
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Aug 23, 2013
filing date -
Aug 23, 2013
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Abstract
A method for speech to text transcription uses a knowledge base containing solution descriptions, each describing, in words, a solution to a respective problem. An audio recording of a dialogue between an agent and a user in which the agent had access to the knowledge base is received. A sequence of phonemes based on the agent's part of the audio recording is identified and from this, a preliminary transcription is made which includes a sequence of words recognized as corresponding to phonemes in the identified sequence of phonemes together with any unrecognized phonemes from the phoneme sequence that are not recognized as corresponding to one of the recognized words. The preliminary transcription is revised by replacing one or more of the unrecognized phonemes with a word or words from a solution description that includes words which match adjacent words of the sequence of recognized words.
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