SPEAKER VERIFICATION METHOD
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Abstract
A speaker verification method consist of the following steps: (1) generating a code book (42) covering a number of speakers having a number of training utterances for each of the speakers; (2) receiving a number of test utterances (44) from a speaker; (3) comparing (46) each of the test utterances to each of the training utterances for the speaker to form a number of decisions, one decision for each of the number of test utterances; (4) weighting each of the decisions (48) to form a number of weighted decisions; and (5) combining (50) the plurality of weighted decision to form a verification decision (52).
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Citations
41 Claims
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1-21. -21. (canceled)
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22. A speaker verification method comprising:
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comparing a test utterance corresponding to a speaker'"'"'s input to a training utterance corresponding to the speaker;
comparing the test utterance to an imposter utterance; and
verifying the speaker as a true speaker in response to the test utterance being more similar to the training utterance than to the imposter utterance. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A machine accessible medium having instructions stored thereon that, when executed, cause a machine to:
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compare a test utterance corresponding to a speaker'"'"'s input to a training utterance corresponding to the speaker;
compare the test utterance to an imposter utterance; and
verify the speaker as a true speaker in response to the test utterance being more similar to the training utterance than to the imposter utterance. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A speaker verification method comprising:
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receiving an input utterance from a speaker;
identifying voiced portions and unvoiced portions of the input utterance;
generating a test utterance based on the voiced portions but not the unvoiced portions of the input utterance; and
generating a verification decision indicative of whether the speaker is a true speaker based on the test utterance. - View Dependent Claims (35, 36, 37)
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38. A machine accessible medium having instructions stored thereon that, when executed, cause a machine to:
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receive an input utterance from a speaker;
identify voiced portions and unvoiced portions of the input utterance;
generate a test utterance based on the voiced portions but not the unvoiced portions of the input utterance; and
generate a verification decision indicative of whether the speaker is a true speaker based on the test utterance. - View Dependent Claims (39, 40, 41)
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Specification