Speech recognition with shadow modeling
First Claim
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1. A speech recognition method in the context of an existing model for a speech element, comprising:
- detecting an unusual instance of the speech element;
creating a new model to recognize the unusual instance of the speech element;
computing a score for both the existing model by itself and the new model on new speech data;
determining a comparative accuracy parameter for each of the models; and
selecting to keep the existing model, or to keep the new model, or to keep both the existing model and the new model based on the comparative accuracy parameters of the respective models.
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Abstract
A speech recognition method, system and program product for the context of an existing model for a speech element, the method comprising in one embodiment: detecting an unusual instance of the speech; creating a new model to recognize the unusual instance of the speech element; computing a score for both the existing model by itself and the new model on new speech data; determining a comparative accuracy parameter for each of the models; and selecting to keep the existing model, or to keep the new model, or to keep both the existing model and the new model based on the comparative accuracy parameters of the respective models.
38 Citations
62 Claims
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1. A speech recognition method in the context of an existing model for a speech element, comprising:
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detecting an unusual instance of the speech element;
creating a new model to recognize the unusual instance of the speech element;
computing a score for both the existing model by itself and the new model on new speech data;
determining a comparative accuracy parameter for each of the models; and
selecting to keep the existing model, or to keep the new model, or to keep both the existing model and the new model based on the comparative accuracy parameters of the respective models. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A speech recognition method in the context of an existing model for a speech element, comprising:
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detecting an unusual instance of the speech;
creating a new model to recognize the unusual instance of the speech element;
creating a hybrid model that includes the new and the existing models;
computing a score for at least the existing model by itself and the hybrid model on new speech data;
determining a comparative accuracy parameter for at least each of the existing model and the hybrid model; and
selecting to keep the existing model, or to keep the hybrid model, or to keep both the existing model and the hybrid model based on the comparative accuracy parameters of the respective models. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A program product for speech recognition in the context of an existing model for a speech element, comprising machine-readable program code for causing, when executed, a machine to perform the following method steps:
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detecting an unusual instance of the speech element;
creating a new model to recognize the unusual instance of the speech element;
computing a score for both the existing model by itself and the new model on new speech data;
determining a comparative accuracy parameter for each of the models; and
selecting to keep the existing model, or to keep the new model, or to keep both the existing model and the new model based on the comparative accuracy parameters of the respective models. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A program product for speech recognition in the context of an existing model for a speech element, comprising machine-readable program code for causing, when executed, a machine to perform the following method steps:
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detecting an unusual instance of the speech;
creating a new model to recognize the unusual instance of the speech element;
creating a hybrid model that includes the new and the existing models;
computing a score for at least the existing model by itself and the hybrid model on new speech data;
determining a comparative accuracy parameter for at least each of the existing model and the hybrid model; and
selecting to keep the existing model, or to keep the hybrid model, or to keep both the existing model and the hybrid model based on the comparative accuracy parameters of the respective models. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
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61. A system for speech recognition in the context of an existing model for a speech element, comprising:
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a component for detecting an unusual instance of the speech;
a component for creating a new model to recognize the unusual instance of the speech element;
a component for computing a score for both the existing model by itself and the new model on new speech data;
a component for determining a comparative accuracy parameter for each of the models; and
a component for selecting to keep the existing model, or to keep the new model, or to keep both the existing model and the new model based on the comparative accuracy parameters of the respective models.
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62. A system for speech recognition in the context of an existing model for a speech element, comprising:
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a component for detecting an unusual instance of the speech;
a component for creating a new model to recognize the unusual instance of the speech element;
a component for creating a hybrid model that includes the new and the existing models;
a component for computing a score for at least the existing model by itself and the hybrid model on new speech data;
a component for determining a comparative accuracy parameter for at least each of the existing model and the hybrid model; and
a component for selecting to keep the existing model, or to keep the hybrid model, or to keep both the existing model and the hybrid model based on the comparative accuracy parameters of the respective models.
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Specification