Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs

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United States of America

PATENT NO 12159641
APP PUB NO 20220101868A1
SERIAL NO

17547971

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Abstract

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An audio encoder for encoding audio input data has: a preprocessor for preprocessing the audio input data to obtain audio data to be coded; a coder processor for coding the audio data to be coded; and a controller for controlling the coder processor so that, depending on a first signal characteristic of a first frame of the audio data to be coded, a number of audio data items of the audio data to be coded by the coder processor for the first frame is reduced compared to a second signal characteristic of a second frame, and a first number of information units used for coding the reduced number of audio data items for the first frame is stronger enhanced compared to a second number of information units for the second frame.

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E V80686 MÜNCHEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Büthe, Jan Erlangen, DE 20 2
Döhla, Stefan Erlangen, DE 32 18
Dietz, Martin Erlangen, DE 105 1158
Grill, Bernhard Erlangen, DE 175 3858
Schnell, Markus Erlangen, DE 117 865

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