Segmentation-based feature extraction for acoustic scene classification

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United States of America Patent

PATENT NO 11386916
APP PUB NO 20200265864A1
SERIAL NO

16866183

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Abstract

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An apparatus and a method for acoustic scene classification of a block of audio samples are provided. The block is partitioned into frames in the time domain. For each respective frame of a plurality of frames of the block, a change measure between the respective frame and a preceding frame of the block is calculated. The respective frame is assigned, based on the calculated change measure, to one of a set of short-event frames, a set of long-event frames, and a set of background frames. The feature vector is determined based on a feature computed from one or more of the set of short-event frames, the set of long-event frames, and the set of background frames.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTDHUAWEI ADMINISTRATION BUILDING BANTIAN LONGGANG DISTRICT SHENZHEN 518129

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crespi, Andrea Gilching, DE 8 37
Eyben, Florian Gilching, DE 8 11
Markovic, Milos Munich, DE 8 48
Schuller, Björn Gilching, DE 3 1

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