Audio transform coding using pitch correction

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United States of America Patent

PATENT NO 8700388
APP PUB NO 20100198586A1
SERIAL NO

12668912

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Abstract

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A processed representation of an audio signal having a sequence of frames is generated by sampling the audio signal within first and second frames of the sequence of frames, the second frame following the first frame, the sampling using information on a pitch contour of the first and second frames to derive a first sampled representation. The audio signal is sampled within the second and third frames, the third frame following the second frame in the sequence of frames. The sampling uses the information on the pitch contour of the second frame and information on a pitch contour of the third frame to derive a second sampled representation. A first scaling window is derived for the first sampled representation, and a second scaling window is derived for the second sampled representation, the scaling windows depending on the samplings applied to derive the first sampled representations or the second sampled representation.

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Patent Owner(s)

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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bayer, Stefan Nuremberg, DE 141 2306
Disch, Sascha Fuerth, DE 255 3633
Edler, Bernd Hannover, DE 103 1348
Fuchs, Guillaume Erlangen, DE 236 3361
Geiger, Ralf Nuremberg, DE 149 2790
Kraemer, Ulrich Ilmenau, DE 57 1313
Multrus, Markus Nuremberg, DE 237 3818
Neuendorf, Max Nuremberg, DE 123 2391
Popp, Harald Tuchenbach, DE 56 1576
Schuller, Gerald Erfurt, DE 65 1750

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