Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and a computer program

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United States of America Patent

PATENT NO 11869521
SERIAL NO

17322656

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Abstract

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An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band quantization error over a plurality of frequency bands of the input audio signal for which separate band gain information is available. The encoder also includes an audio stream provider for providing the audio stream such that the audio stream includes information describing an audio content of the frequency bands and information describing the multi-band quantization error.

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Patent Owner(s)

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

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuchs, Guillaume Nuremberg, DE 213 2936
Geyersberger, Stefan Wuerzburg, DE 62 1336
Grill, Bernhard Lauf, DE 150 3487
Herre, Juergen Buckenhof, DE 174 4358
Hirschfeld, Jens Heringen, DE 19 755
Multrus, Markus Nuremberg, DE 200 3346
Popp, Harald Tuchenbach, DE 49 1460
Rettelbach, Nikolaus Nuremberg, DE 113 2737
Schuller, Gerald Erfurt, DE 51 1567
Wabnik, Stefan Ilmenau, DE 32 998

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