Extracting classifying data in music from an audio bitstream

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United States of America Patent

PATENT NO 7295977
APP PUB NO 20030040904A1
SERIAL NO

09939954

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Abstract

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The method of the present invention utilizes machine-learning techniques, particularly Support Vector Machines in combination with a neural network, to process a unique machine-learning enabled representation of the audio bitstream. Using this method, a classifying machine is able to autonomously detect characteristics of a piece of music, such as the artist or genre, and classify it accordingly. The method includes transforming digital time-domain representation of music into a frequency-domain representation, then dividing that frequency data into time slices, and compressing it into frequency bands to form multiple learning representations of each song. The learning representations that result are processed by a group of Support Vector Machines, then by a neural network, both previously trained to distinguish among a given set of characteristics, to determine the classification.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 1088001 ?1088001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Flake, Gary W Lawrenceville, NJ 163 8452
Lawrence, Stephen R New York, NY 67 4312
Whitman, Brian New York, NY 20 716

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