Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

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United States of America Patent

PATENT NO 11922956
APP PUB NO 20220270619A1
SERIAL NO

17653332

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Abstract

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An apparatus for decoding an encoded audio signal, includes a spectral domain audio decoder for generating a first decoded representation of a first set of first spectral portions, the decoded representation having a first spectral resolution; a parametric decoder for generating a second decoded representation of a second set of second spectral portions having a second spectral resolution being lower than the first spectral resolution; a frequency regenerator for regenerating every constructed second spectral portion having the first spectral resolution using a first spectral portion and spectral envelope information for the second spectral portion; and a spectrum time converter for converting the first decoded representation and the reconstructed second spectral portion into a time representation.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bayer, Stefan Nuremberg, DE 132 2057
Disch, Sascha Fuerth, DE 244 3267
Edler, Bernd Fuerth, DE 86 1198
Geiger, Ralf Erlangen, DE 134 2509
Helmrich, Christian Fuerth, DE 142 800
Nagel, Frederik Heroldsberg, DE 95 1752
Neukam, Christian Kalchreuth, DE 45 161
Schmidt, Konstantin Nuremberg, DE 65 311
Thoshkahna, Balaji Nagendran Erlangen, DE 17 73

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