Segment-wise adjustment of spatial audio signal to different playback loudspeaker setup

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United States of America Patent

PATENT NO 9805726
APP PUB NO 20150248891A1
SERIAL NO

14713292

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Abstract

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Apparatus for adapting a spatial audio signal for an original loudspeaker setup to a playback loudspeaker setup that differs from the original loudspeaker setup. The apparatus includes a direct-ambience decomposer that is configured to decomposing channel signals in a segment of the original loudspeaker setup into direct sound and ambience components, and to determine a direction of arrival of the direct sound components. A direct sound renderer receives a playback loudspeaker setup information and adjusts the direct sound components using the playback loudspeaker setup information so that a perceived direction of arrival of the direct sound components in the playback loudspeaker setup is substantially identical to the direction of arrival of the direct sound components. A combiner combines adjusted direct sound components and possibly modified ambience components to obtain loudspeaker signals for loudspeakers of the playback loudspeaker setup.

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E VHANSASTRASSE 27C MUNICH 80686
TECHNISCHE UNIVERSITAET ILMENAUEHRENBERGSTRASSE 29 ILMENAU 98693

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adami, Alexander Gundelsheim, DE 22 73
Del, Galdo Giovanni Martinroda, DE 28 786
Herre, Juergen Erlangen, DE 181 4703
Kuech, Fabian Erlangen, DE 47 1110
Kuntz, Achim Hemhofen, DE 63 647

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