Audio signal synthesizer

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United States of America Patent

PATENT NO 9082396
APP PUB NO 20130129096A1
SERIAL NO

13744690

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Abstract

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The invention relates to an audio signal synthesizer, the audio signal synthesizer comprises a transformer for transforming the down-mix audio signal into frequency domain to obtain a transformed audio signal; a signal generator for generating a first auxiliary signal, for generating a second auxiliary signal, and for generating a third auxiliary signal upon the basis of the transformed audio signal; a de-correlator for generating a first de-correlated signal, and for generating a second de-correlated signal from the third auxiliary signal, the first de-correlated signal and the second de-correlated signal being at least partly de-correlated; and a combiner for combining the first auxiliary signal with the first de-correlated signal to obtain a first audio signal, and for combining the second auxiliary signal with the second de-correlated signal to obtain the second audio signal, the first audio signal and the second audio signal forming the multi-channel audio signal.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTDHUAWEI ADMINISTRATION BUILDING BANTIAN LONGGANG DISTRICT SHENZHEN GUANGDONG 518129 518129

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faller, Christof Shenzhen, CN 89 3511
Lang, Yue Munich, DE 61 518
Virette, David Munich, DE 49 993
Xu, Jianfeng Munich, DE 106 935

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