Biasing a speech recognizer based on prompt context
First Claim
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1. A method of biasing a speech recognition system based on prompt context comprising:
- analyzing words used in the prompt given to a user;
determining a response set comprising words the user may use when responding to the prompt, wherein the word set is determined using a speech recognition system strategy; and
boosting the probabilities of the responses in the response set such that a speech recognizer of the speech recognition system has an increased likelihood of recognizing a response from the user.
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Abstract
A method, a system, and an apparatus biasing a speech recognizer based on prompt context. The present invention is capable of analyzing the words used in the prompt given to the user. Then, a set of words the user is likely to say in response to the prompt is determined. The word set may be determined using a technology used by the speech recognition system, such as n-grams, grammars, or both. The speech recognition system boosts the probabilities of the analyzed words in the word set by a preconfigured amount. The preconfigured amount is selected based on collected data.
78 Citations
51 Claims
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1. A method of biasing a speech recognition system based on prompt context comprising:
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analyzing words used in the prompt given to a user;
determining a response set comprising words the user may use when responding to the prompt, wherein the word set is determined using a speech recognition system strategy; and
boosting the probabilities of the responses in the response set such that a speech recognizer of the speech recognition system has an increased likelihood of recognizing a response from the user. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A machine-readable storage having stored thereon, a computer program having a plurality of code sections, said code sections executable by a machine for causing the machine to perform the steps of:
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analyzing words used in the prompt given to a user;
determining a response set comprising words the user may use when responding to the prompt, wherein the word set is determined using a speech recognition system strategy; and
boosting the probabilities of the responses in the response set such that a speech recognizer of the speech recognition system has an increased likelihood of recognizing a response from the user.
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51. A system of biasing a speech recognizer based on prompt context comprising:
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means for analyzing words used in the prompt given to a user;
means for determining a response set comprising words the user may use when responding to the prompt, wherein the word set is determined using a speech recognition system strategy; and
means for boosting the probabilities of the responses in the response set such that a speech recognizer of the speech recognition system has an increased likelihood of recognizing a response from the user.
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Specification