Speech recognition
First Claim
1. A method of speech recognition including:
- recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance,recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, anddetermining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein the most probable second utterance and the most probable first utterance are redundant representations expressing the same meaning.
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Abstract
A method of speech recognition includes recognizing a first utterance, recognizing a second utterance having information that is related to the first utterance, and determining the most probable first and second utterances based on stored information about valid relationships between possible first and second utterances. The most probable second utterance contains information that is semantically related to the most probable first utterance. The recognized first utterance may be recognized continuously and the recognized second utterance may be recognized discretely. The determination of the most probable utterances may include creating a list of possible utterances that could be confused with a recognized utterance and rerecognition of a list of possible utterances against an utterance.
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Citations
43 Claims
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1. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein the most probable second utterance and the most probable first utterance are redundant representations expressing the same meaning. - 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)
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28. A method of generating a choice list from a continuously recognized utterance comprising:
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recognizing a spoken utterance comprising a series of symbols to identify a recognized utterance corresponding to the spoken utterance, consulting stored information including confusion values for each symbol in the series of symbols to determine the probability of confusing possible utterances with said recognized utterance, said confusion values representing the probability of confusing each symbol in the series of symbols with each symbol in a list of possible symbols, symbols from said list of possible symbols being combined to form each possible utterance of said possible utterances, and producing a list of possible utterances from the stored information that could be confused with the recognized utterance. - View Dependent Claims (29, 30)
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31. A method of recognizing ambiguous inputs including:
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recognizing a first ambiguous input to identify a recognized first input corresponding to the first ambiguous input, recognizing a second ambiguous input having information that is related to said first ambiguous input to identify a recognized second input corresponding to the second ambiguous input, and determining most probable first and second ambiguous inputs based on the recognized first and second inputs and on stored data about valid relationships between possible first and second ambiguous inputs, wherein the most probable second ambiguous input and the most probable first ambiguous input are redundant representations expressing the same meaning.
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32. A method of training a speech recognizer, comprising:
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prompting a user to make an utterance comprising a series of symbols, each said symbol consisting of one of a letter, digit, and punctuation, recognizing said utterance, and calculating the probability of confusing each symbol of the recognized utterance with the symbol in the corresponding digit place of the prompted utterance. - View Dependent Claims (33)
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34. A method of displaying word choices during speech recognition, comprising:
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recognizing an uttered word, recognizing an uttered spelling of a prefix of the uttered word, whereby symbols are used to spell said prefix, and displaying a list of word choices on a screen for selection, a top choice on the list corresponding to a highest ranked choice. - View Dependent Claims (35)
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36. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, including creating a list of hypothesized possible utterances that relate to at least one of said recognized spoken utterances based on said stored data, and creating and ranking a list of possible utterances based upon how closely each of the possible utterances corresponds to one of said spoken utterances and comparing said ranked list of possible utterances to said list of hypothesized possible utterances for commonality between said lists.
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37. A method of speech recognition including:
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recognizing a first spoken utterance by continuous recognition to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, including creating a list of possible first utterances that may be confused with said recognized first utterance.
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38. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining the most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein said first spoken utterance comprises a zipstate and said second spoken utterance comprises a city from a destination address on a package, said determination of the most probable first and second utterances resulting in the sorting of said package according to the package'"'"'s destination address.
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39. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining the most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein said first spoken utterance comprises a word and said second spoken utterance comprises spelled prefix including ordered symbols.
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40. A method of generating a choice list from a continuously recognized utterance comprising:
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recognizing a spoken utterance to identify a recognized first utterance corresponding to the spoken utterance, consulting stored information to determine the probability of confusing possible utterances in the stored information with said recognized utterance, producing a list of possible utterances from the stored information that could be confused with the recognized utterance, and rerecognizing said spoken utterance against a merged list of said list of possible utterances and said recognized utterance to create a ranked list of possible utterances having a ranking based upon how closely each utterance in said merged list corresponds to said spoken utterance.
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41. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein the most probable second utterance contains information that is semantically related to the most probable first utterance, and creating a list of possible utterances that could be confused with at least one of said recognized utterances.
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42. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein the most probable second utterance contains information that is semantically related to the most probable first utterance, wherein said first spoken utterance comprises a word and said second spoken utterance comprises spelled prefix including ordered symbols, the method further including creating a list of possible prefixes that could be confused with said recognized second utterance.
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43. A method of speech recognition including:
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recognizing a first spoken utterance to identify a recognized first utterance corresponding to the first spoken utterance, recognizing a second spoken utterance having information that is related to said first spoken utterance to identify a recognized second utterance corresponding to the second spoken utterance, and determining most probable first and second utterances based on the recognized first and second utterances and on stored data about valid relationships between possible first and second utterances, wherein the most probable second utterance contains information that is semantically related to the most probable first utterance, wherein said first spoken utterance comprises a spelled word and said second spoken utterance comprises spelled prefix including ordered symbols, said determination of the most probable first and second utterances results in recognizing said spelled word.
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Specification