Method and apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals

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United States of America Patent

PATENT NO 9900721
SERIAL NO

15588320

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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. A vector of coefficient domain signals is separated into a vector of coefficient domain signals having a constant number of HOA coefficients and a vector of coefficient domain signals having a variable number of HOA coefficients. The constant-number HOA coefficients vector is transformed to a corresponding spatial domain signal vector. In order to facilitate high-quality coding, without creating signal discontinuities the variable-number HOA coefficients vector of coefficient domain signals is adaptively normalized and multiplexed with the vector of spatial domain signals.

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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 Hannover, DE 107 403

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