Speaker recognition with assessment of audio frame contribution
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United States of America Patent
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Jul 28, 2020
Grant Date -
Feb 8, 2018
app pub date -
Aug 1, 2017
filing date -
Aug 3, 2016
priority date (Note) -
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Abstract
This application describes methods and apparatus for speaker recognition. An apparatus according to an embodiment has an analyzer (202) for analyzing each frame of a sequence of frames of audio data (AIN) which correspond to speech sounds uttered by a user to determine at least one characteristic of the speech sound of that frame. An assessment module (203) determines, for each frame of audio data, a contribution indicator of the extent to which the frame of audio data should be used for speaker recognition processing based on the determined characteristic of the speech sound. In this way frames which correspond to speech sounds that are of most use for speaker discrimination may be emphasized and/or frames which correspond to speech sounds that are of least use for speaker discrimination may be de-emphasized.
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