Method and apparatus handling speech recognition errors in...

Details Method and apparatus handling speech recognition errors in... Method and apparatus handling speech recognition errors in...

2004-08-05

2009-02-17

Smits, Talivaldis Ivars (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S253000, C704S236000, C704S275000, C704S231000

Reexamination Certificate

active

07493257

ABSTRACT:
To handle portions of a recognized sentence having an error, a user is questioned about contents associated with portions. According to a user's answer, a result is obtained. Speech recognition unit extracts a speech feature of a speech signal inputted from user and finds a phoneme nearest to the speech feature to recognize a word. Recognition error determination unit finds a sentence confidence based on a confidence of the recognized word, performs examination of a semantic structure of a recognized sentence, and determines whether or not an error exists in the recognized sentence which is subjected to speech recognition according to predetermined criterion based on both sentence confidence and result of examining semantic structure. Meta-dialogue generation unit generates a question asking user for additional information based on content of a portion where the error exists and a type of the error.

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“Chapter 1: On the Means for Clarification in Dialogue”, DRAFT Oct. 31, 2002, 12:35 pm, Matthew Purver and Jonathan Ginzburg,Dept. of Computer Science, King's College, London UK, Patrick Healey,Dept. of Computer Science, University of London, UK.

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