SPEECH RECOGNITION METHOD AND SYSTEM WITH INTELLIGENT SPEAKER IDENTIFICATION AND ADAPTATION
First Claim
1. A speech recognition method, comprising the steps of:
- (a) receiving a speech from a user;
(b) recognizing the speech to generate a recognition result with a score; and
(c) according to the score of the recognition result, performing one of the following steps,(c1) preventing from performing an adaptation for an acoustic model but using a utility rate of the speech to learn a new language and grammar probability model when the score is relatively high,(c2) performing a confirmation by the user when the score is relatively low, further comprising;
(c21) when the recognition result is confirmed in the confirmation by the user, performing the adaptation in the acoustic model to increase an occurrence probability of the speech and using the utility rate of the speech to learn the new language and grammar probability model,(c22) when the recognition result is rejected in the confirmation by the user, performing the adaptation in the acoustic model to decrease the occurrence probability of the speech.
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Abstract
A speech recognition method is provided. The speech recognition method includes the steps of (a) receiving a speech from a user; (b) recognizing the speech to generate a recognition result with a score; and (c) according to the score of the recognition result, performing one of the following steps, (c1) preventing from performing an adaptation for an acoustic model but using a utility rate of the speech to learn a new language and grammar probability model when the score is relatively high, (c2) performing a confirmation by the user when the score is relatively low, further comprising: (c21) when the recognition result is confirmed in the confirmation by the user, performing the adaptation in the acoustic model to increase an occurrence probability of the speech and using the utility rate of the speech to learn the new language and grammar probability model, (c22) when the recognition result is rejected in the confirmation by the user, performing the adaptation in the acoustic model to decrease the occurrence probability of the speech.
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Citations
17 Claims
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1. A speech recognition method, comprising the steps of:
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(a) receiving a speech from a user; (b) recognizing the speech to generate a recognition result with a score; and (c) according to the score of the recognition result, performing one of the following steps, (c1) preventing from performing an adaptation for an acoustic model but using a utility rate of the speech to learn a new language and grammar probability model when the score is relatively high, (c2) performing a confirmation by the user when the score is relatively low, further comprising; (c21) when the recognition result is confirmed in the confirmation by the user, performing the adaptation in the acoustic model to increase an occurrence probability of the speech and using the utility rate of the speech to learn the new language and grammar probability model, (c22) when the recognition result is rejected in the confirmation by the user, performing the adaptation in the acoustic model to decrease the occurrence probability of the speech. - View Dependent Claims (2)
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3. A speech recognition method for recognizing a respective speech of a plurality of users, in a speech recognition system having a plurality of speech recognition subsystems respectively, comprising:
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(a) receiving the speech from a specific user; (b) recognizing the speech to generate a recognition result with a score; (c) when the score is relatively high, switching automatically from a first one of the speech recognition subsystems to a specific one of the speech recognition subsystems for the specific user; (d) when the score is relatively low and in a normal conditions recognizing the speech of the specific user continuously until an enough confidence is accumulated for being switched to the system for the specific user; and (e) when the score is relatively low and in a special condition, asking the specific user directly for immediately switching to the system for the specific user. - View Dependent Claims (4, 5, 6, 7)
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8. A speech processing method, comprising:
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(a) receiving a speech from a user; (b) recognizing the speech to generate a recognition result; (c) when errors are successively occurred in the recognition result, detecting the recognition result for getting an error pattern therefor; and (d) performing an adaptation according to the error pattern. - View Dependent Claims (9, 10, 11, 12)
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13. A speech recognition/processing system, the system comprising:
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a speech recognition unit for receiving and recognizing the speech from a user to generate a recognition result; an error detecting unit connected with the speech recognition unit for detecting the recognition result to get an error pattern thereof when successive errors for the recognition result continuously occur; and an error inhibiting unit connected with the error detecting unit for performing an adaptation according to the error pattern. - View Dependent Claims (14, 15, 16, 17)
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Specification