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公开(公告)号：US10993060B2
公开(公告)日：2021-04-27
申请号：US16831421
申请日：2020-03-26
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe
Abstract: An acoustic signal processing device includes: a front signal processor which generates first L and R signals by performing signal processing on a first signal which is a front channel signal; a first adder which generates a fourth signal which is a left channel signal by adding the first L signal and a second signal which is a left channel signal; and a second adder which generates a fifth signal which is a right channel signal by adding the first R signal and a third signal which is a right channel signal. The front signal processor generates the first L and R signals by signal processing in which the first signal is distributed and placed at predetermined positions when the first signal is a dialog signal, and distributed and placed at positions different from the predetermined positions when the first signal is not a dialog signal.
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公开(公告)号：US10334389B2
公开(公告)日：2019-06-25
申请号：US15175972
申请日：2016-06-07
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe , Anh Tuan Tran , Zong Xian Liu , Yong Hwee Sim
Abstract: An audio reproduction apparatus includes: a signal processing unit that converts an audio signal into N channel signals, where N is an integer greater than or equal to 3; and a speaker array including N speaker elements that respectively output the N channel signals as reproduced sound, wherein the signal processing unit includes: a beam formation unit that performs a beam formation process of resonating the reproduced sound output from the speaker array at a position of one ear of the listener; and a cancellation unit that performs a cancellation process of preventing the reproduced sound output from the speaker array from reaching a position of the other ear of the listener.
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公开(公告)号：US10262653B2
公开(公告)日：2019-04-16
申请号：US15703594
申请日：2017-09-13
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe
Abstract: A device including a speech recognition function which recognizes speech from a user, includes: a loudspeaker which outputs speech to a space; a microphone which collects speech in the space; a first speech recognition unit which recognizes the speech collected by the microphone; a command control unit which issues a command for controlling the device, based on the speech recognized by the first speech recognition unit; and a control unit which prohibits the command issuance unit from issuing the command, based on the speech to be output from the loudspeaker.
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公开(公告)号：US09788120B2
公开(公告)日：2017-10-10
申请号：US14961739
申请日：2015-12-07
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe , Anh Tuan Tran , Yong Hwee Sim , Zong Xian Liu
CPC classification number: H04R5/04 , H04R1/403 , H04R3/12 , H04R2203/12 , H04S7/30 , H04S7/308 , H04S2400/03 , H04S2400/11
Abstract: An audio playback device which plays back an audio object including an audio signal and playback position information indicating a position in a three-dimensional space at which a sound image of the audio signal is localized, includes: at least one speaker array; a converting unit which converts playback position information to corrected playback position information which is information indicating a position of the sound image on a two-dimensional coordinate system based on a position of the at least one speaker array; and a signal processing unit which localizes the sound image of the audio signal included in the audio object according to the corrected playback position information.
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公开(公告)号：US09779740B2
公开(公告)日：2017-10-03
申请号：US15097117
申请日：2016-04-12
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe , Zong Xian Liu , Yong Hwee Sim , Anh Tuan Tran
IPC: H04R5/00 , G10L19/008 , H04S5/00 , H04S3/00 , G10L19/002
CPC classification number: G10L19/008 , G10L19/002 , H04S3/008 , H04S5/005 , H04S2400/11 , H04S2400/15
Abstract: An input signal includes a channel-based audio signal and an object-based audio signal, and an audio encoding device includes an audio scene analysis unit configured to determine an audio scene from the input signal and detect audio scene information; a channel-based encoder that encodes the channel-based audio signal output from the audio scene analysis unit; an object-based encoder that encodes the object-based audio signal output from the audio scene analysis unit; and an audio scene encoding unit configured to encode the audio scene information.
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Patent Agency Ranking
公开(公告)号：US10555060B2
公开(公告)日：2020-02-04
申请号：US16419793
申请日：2019-05-22
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe , Katsumi Kobayashi
Abstract: An acoustic device that provides a stereophonic effect to a driver of a mobile object includes: a plurality of speakers (an L channel speaker and an R channel speaker) mounted on a steering wheel that controls a traveling direction of the mobile object; a steering angle detection unit configured to detect a steering angle of the steering wheel; and a signal output unit configured to output a plurality of output signals obtained by performing, on a sound signal, a process relating to the stereophonic effect and depending on the steering angle, respectively to the plurality of speakers.
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公开(公告)号：US10075794B2
公开(公告)日：2018-09-11
申请号：US15671461
申请日：2017-08-08
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe
IPC: H04S1/00 , A63F13/54 , A63F13/5255
CPC classification number: H04S1/002 , A63F13/5255 , A63F13/54 , A63F2300/6063 , H04S1/007 , H04S7/30 , H04S2420/01
Abstract: A signal processing device includes phase rotation units which rotate a phase of a signal A and generate two signals having a phase difference of θ, and a control unit which performs transition of θ over time. The control unit controls phases so that θ is approximately 0 degrees at a time point T0 and θ is approximately 180 degrees at a time point T1.
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公开(公告)号：US10002616B2
公开(公告)日：2018-06-19
申请号：US15694672
申请日：2017-09-01
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe , Zong Xian Liu , Yong Hwee Sim , Anh Tuan Tran
IPC: H04R5/00 , G10L19/008 , H04S5/00 , G10L19/002 , H04S3/00
CPC classification number: G10L19/008 , G10L19/002 , H04S3/008 , H04S5/005 , H04S2400/11 , H04S2400/15
Abstract: An input signal includes a channel-based audio signal and an object-based audio signal, and an audio encoding device includes an audio scene analysis unit configured to determine an audio scene from the input signal and detect audio scene information; a channel-based encoder that encodes the channel-based audio signal output from the audio scene analysis unit; an object-based encoder that encodes the object-based audio signal output from the audio scene analysis unit; and an audio scene encoding unit configured to encode the audio scene information.
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公开(公告)号：US11212634B2
公开(公告)日：2021-12-28
申请号：US16997745
申请日：2020-08-19
Applicant: Socionext Inc.
Inventor： Katsumi Kobayashi , Kazutaka Abe , Yoshitaka Mizuno
Abstract: An audio signal processing device includes a memory; and a processor configured to execute receiving a command to determine one set of parameters from among parameters calculated according to positions at which a sound is localized, the positions being set relative to positions of audio output devices; and processing a sound to be output from the audio output devices, by using the one set of parameters determined based on the received command.
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公开(公告)号：US10602272B2
公开(公告)日：2020-03-24
申请号：US16289949
申请日：2019-03-01
Applicant: SOCIONEXT INC.
Inventor： Shuji Miyasaka , Kazutaka Abe
Abstract: An audio signal processor includes: a first amplifier that amplifies a first audio content; a mixer that mixes an output signal of the first amplifier and a second audio content; a second amplifier that amplifies an output signal of the mixer; and a setter that sets an amplification amount of the first amplifier. The setter sets an amplification amount in the first amplifier so that the amplification amount in the first amplifier cancels an amplification amount in the second amplifier.
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