Methods and apparatus for decoding encoded HOA signals

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12245013
APP PUB NO 20240171924A1
SERIAL NO

18517301

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Abstract

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There are two representations for Higher Order Ambisonics denoted HOA: spatial domain and coefficient domain. The invention generates from a coefficient domain representation a mixed spatial/coefficient domain representation, wherein the number of said HOA signals can be variable. An aspect of the invention further relates to methods and apparatus decoding multiplexed and perceptually encoded HOA signals, including transforming a vector of PCM encoded spatial domain signals of the HOA representation to a corresponding vector of coefficient domain signals by multiplying the vector of PCM encoded spatial domain signals with a transform matrix and de-normalizing the vector of PCM encoded and normalized coefficient domain signals, wherein said de-normalizing comprises. The methods may include combining a vector of coefficient domain signals and the vector of de-normalized coefficient domain signals to determine a combined vector of HOA coefficient domain signals that can have a variable number of HOA coefficients.

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Patent Owner(s)

Patent OwnerAddress
DOLBY LABORATORIES LICENSING CORPORATION1275 MARKET STREET SAN FRANCISCO CA 94103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kordon, Sven Wunstorf, DE 124 950
Krueger, Alexander Burgdorf, DE 107 403

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