METHOD AND DEVICE FOR TRANSFORMING FEATURE VECTOR FOR USER RECOGNITION
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United States of America Patent
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Feb 27, 2015
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Feb 27, 2015
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Abstract
A method of converting a feature vector includes extracting a feature sequence from an audio signal including utterance of a user; extracting a feature vector from the feature sequence; acquiring a conversion matrix for reducing a dimension of the feature vector, based on a probability value acquired based on different covariance values; and converting the feature vector by using the conversion matrix.
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