Signal processing device and signal processing method

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United States of America Patent

PATENT NO 12035128
APP PUB NO 20230011357A1
SERIAL NO

17782095

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a signal processing device including: a reverberation sound signal generation unit that generates a reverberation sound signal according to a sound source position of a virtual sound source and a distance to a reference point; and a drive signal generation unit that generates a drive signal for a speaker array by a wavefront synthesis filter, in which the drive signal generation unit generates the drive signal on the basis of a signal obtained by performing wavefront synthesis filtering processing on a signal obtained by convolving the reverberation sound signal with a signal of the virtual sound source and/or a signal obtained by performing wavefront synthesis filtering processing on the reverberation sound signal to make the reverberation sound signal into a virtual sound source.

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Patent Owner(s)

Patent OwnerAddress
SONY GROUP CORPORATION1-7-1 KONAN MINATO-KU TOKYO 108-0075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikemiya, Yukara Tokyo, JP 6 3
Mitsufuji, Yuhki Tokyo, JP 62 840
Osako, Keiichi Tokyo, JP 23 78
Takahashi, Masafumi Tokyo, JP 78 805

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