Audio encoder and decoder

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United States of America Patent

PATENT NO 9940939
SERIAL NO

15643416

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Abstract

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The present disclosure provides methods, devices and computer program products for encoding and decoding of a vector of parameters in an audio coding system. The disclosure further relates to a method and apparatus for reconstructing an audio object in an audio decoding system. According to the disclosure, a modulo differential approach for coding and encoding a vector of a non-periodic quantity may improve the coding efficiency and provide encoders and decoders with less memory requirements. Moreover, an efficient method for encoding and decoding a sparse matrix is provided.

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Patent Owner(s)

Patent OwnerAddress
DOLBY INTERNATIONAL ABAPOLLO BUILDING 3E HERIKERBERGWEG 1-35 AMSTERDAM ZUIDOOST 1101 CN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Purnhagen, Heiko Sundbyberg, SE 296 3708
Samuelsson, Leif Jonas Sundbyberg, SE 53 334

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