Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

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United States of America

PATENT NO RE50144
SERIAL NO

17845503

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Abstract

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An embodiment of an apparatus for generating audio subband values in audio subband channels includes an analysis windower for windowing a frame of time-domain audio input samples being in a time sequence extending from an early sample to a later sample using an analysis window function including a sequence of window coefficients to obtain windowed samples. The analysis window function includes a first number of window coefficients derived from a larger window function including a sequence of a larger second number of window coefficients, wherein the window coefficients of the window function are derived by an interpolation of window coefficients of the larger window function. The apparatus further includes a calculator for calculating the audio subband values using the windowed samples.

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E VHANSASTRASSE 27C MUENCHEN 80686

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Edler, Bernd Hannover, DE 103 1348
Gayer, Marc Erlangen, DE 62 788
Geiger, Ralf Ilmenau, DE 149 2790
Grill, Bernhard Lauf, DE 175 3858
Lohwasser, Markus Hersbruck, DE 42 476
Lutzky, Manfred Nuremberg, DE 57 552
Mellar, Michael Ludwigshafen, DE 13 154
Multrus, Markus Nuremberg, DE 237 3818
Schmidt, Markus Erlangen, DE 153 1297
Schnell, Markus Erlangen, DE 117 865
Schuller, Gerald Erfurt, DE 65 1750

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