Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12245012
APP PUB NO 20240147173A1
SERIAL NO

18487280

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Abstract

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A method and apparatus for decompressing a Higher Order Ambisonics (HOA) signal representation is disclosed. The apparatus includes an input interface that receives an encoded directional signal and an encoded ambient signal and an audio decoder that perceptually decodes the encoded directional signal and encoded ambient signal to produce a decoded directional signal and a decoded ambient signal, respectively. The apparatus further includes an extractor for obtaining side information related to the directional signal and an inverse transformer for converting the decoded ambient signal from a spatial domain to an HOA domain representation of the ambient signal. The apparatus also includes a synthesizer for recomposing a Higher Order Ambisonics (HOA) signal from the HOA domain representation of the ambient signal and the decoded directional signal. The side information includes a direction of the directional signal selected from a set of uniformly spaced directions.

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Patent Owner(s)

  • DOLBY LABORATORIES LICENSING CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Batke, Johann-Markus Hannover, DE 22 594
Boehm, Johannes Göttingen, DE 103 1084
Kordon, Sven Wunstorf, DE 124 950
Krueger, Alexander Hannover, DE 107 403

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