Noise filling in multichannel audio coding

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United States of America

PATENT NO 12249340
APP PUB NO 20240127837A1
SERIAL NO

18393252

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Abstract

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In multichannel audio coding, an improved coding efficiency is achieved by the following measure: the noise filling of zero-quantized scale factor bands is performed using noise filling sources other than artificially generated noise or spectral replica. In particular, the coding efficiency in multichannel audio coding may be rendered more efficient by performing the noise filling based on noise generated using spectral lines from a previous frame of, or a different channel of the current frame of, the multichannel audio signal.

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Patent Owner(s)

  • FRAUNHOFER - GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Helmrich, Christian Erlangen, DE 154 944
Hilpert, Johannes Nuremberg, DE 126 3106
Valero, Maria Luis Nuremberg, DE 8 13

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