Patents by Inventor Tetsunori Itabashi
Tetsunori Itabashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230254630Abstract: An acoustic output device according to an embodiment includes: a housing (520) one or more outward microphones (100) provided in the housing toward an outside of the housing; and two or more drivers (140(1)-(L)) that are provided inside the housing and each of which generates an acoustic control sound based on an acoustic control signal. Furthermore, in a method of controlling an acoustic output device according to an embodiment, the method includes: a processor (300a), causing each of two or more drivers provided inside a housing on which one or more microphones are provided toward an outside to generate an acoustic control sound based on an acoustic control signal.Type: ApplicationFiled: June 28, 2021Publication date: August 10, 2023Inventors: KOYA SATO, KOHEI ASADA, TETSUNORI ITABASHI
-
Publication number: 20230230568Abstract: Provided is an information processing apparatus including a sensor, an actuator, a vibration control circuit, a transmission circuit, and a reception circuit. The sensor detects vibration of a control target. The actuator provides vibration control of the control target. The vibration control circuit generates a drive signal for the vibration control for the actuator according to an output signal of the sensor, and outputs the generated drive signal to the actuator. The transmission circuit modulates transmission data to produce a transmission signal, and synthesizes the modulated transmission signal to produce the drive signal for the vibration control that is to be outputted to the actuator. The reception circuit extracts a reception signal from the output signal of the sensor, and demodulates the extracted reception signal to produce reception data.Type: ApplicationFiled: May 25, 2021Publication date: July 20, 2023Inventors: YOSHIYUKI KURODA, KOHEI ASADA, KOYA SATO, MASAKI KAMATA, TETSUNORI ITABASHI, SHIGETOSHI HAYASHI
-
Publication number: 20230222998Abstract: Provided is an information processing apparatus including a control unit configured to control a gain of a drive signal for an actuator that is used for vibration control of an object to be controlled, according to a processing result of adaptive processing using an output signal from a sensor and the drive signal for the actuator that have been decimated, the sensor being configured to detect vibration of the object to be controlled, the drive signal being generated according to the output signal from the sensor.Type: ApplicationFiled: May 25, 2021Publication date: July 13, 2023Inventors: SHIGETOSHI HAYASHI, YOSHIYUKI KURODA, TETSUNORI ITABASHI, KOHEI ASADA, KOYA SATO, MASAKI KAMATA
-
Patent number: 11543521Abstract: To provide a mechanism for selectively taking an external sound from an appropriate sound source into an internal space of a moving object. An information processing apparatus including an acquisition unit configured to acquire an audio signal from a sound source existing outside a moving object, a generation unit configured to generate an audio signal from a target sound source at a distance from the moving object, the distance being a distance according to a speed of the moving object, of the sound sources, on the basis of the audio signal acquired by the acquisition unit, and an output control unit configured to output the audio signal generated by the generation unit toward an internal space of the moving object.Type: GrantFiled: December 7, 2017Date of Patent: January 3, 2023Assignee: SONY CORPORATIONInventors: Keiichi Osako, Kohei Asada, Tetsunori Itabashi, Kazuma Yoshii, Kenichi Makino, Yasunobu Murata, Shigetoshi Hayashi
-
Publication number: 20220254329Abstract: Provided is a speaker unit that constitutes a sound system that reduces noise in an open space, including: a housing; a driver; and a microphone, in which the microphone and the driver are provided in the housing such that sensitivity of the microphone to a signal output from the driver is lower.Type: ApplicationFiled: January 29, 2020Publication date: August 11, 2022Inventors: SHIGETOSHI HAYASHI, TETSUNORI ITABASHI, KOHEI ASADA, KENICHI MAKINO
-
Publication number: 20220130364Abstract: The present technology relates to a noise cancellation signal generation device, method, and program capable of improving noise reduction performance. A noise cancellation signal generation device includes: a reference sensor; a speaker that outputs sound based on a noise cancellation signal; a memory that records second information for obtaining a filter coefficient of a noise cancellation filter calculated on the basis of first information obtained in consideration of a change in a relative position between the speaker and a noise cancellation point; and a noise cancellation processor that acquires the second information from the memory using a signal acquired by a sensor, and generates the noise cancellation signal on the basis of the filter coefficient obtained from the acquired second information and a reference signal acquired by the reference sensor. The present technology can be applied to an ANC system.Type: ApplicationFiled: February 4, 2020Publication date: April 28, 2022Inventors: KENICHI MAKINO, KOHEI ASADA, TETSUNORI ITABASHI
-
Patent number: 11290835Abstract: An acoustic processing apparatus includes an acquisition section that acquires operation position information of a seat apparatus that operates following a movement of a user; and a sound image localization processor that performs sound image localization processing on an audio signal according to the operation position information acquired by the acquisition section, the audio signal being reproduced by a speaker unit provided to the seat apparatus.Type: GrantFiled: November 30, 2018Date of Patent: March 29, 2022Assignee: Sony CorporationInventors: Toru Nakagawa, Ryutaro Watanabe, Tetsunori Itabashi, Shigetoshi Hayashi
-
Patent number: 11200880Abstract: Provided is an information processor including a signal processing section that acquires a first signal to be detected by an acoustic input section of a first unit including the acoustic input section disposed within a predetermined distance from one ear hole of a user in a state of being worn by the user, acquires a second signal, which indicates a noise generated from a noise source, to be acquired by a second unit, and generates a noise cancellation signal directed to the noise on the basis of the first signal and the second signal.Type: GrantFiled: March 26, 2018Date of Patent: December 14, 2021Assignee: SONY CORPORATIONInventors: Kenichi Makino, Kohei Asada, Tetsunori Itabashi, Shigetoshi Hayashi, Go Igarashi
-
Patent number: 11178488Abstract: The present invention is directed to reducing influence of crosstalk components by appropriately blocking a propagation path of the crosstalk components output from speakers that reproduce signals for right and left ears respectively. Provided is a contact member used in contact with a back and/or a back of a head of a listener. The contact member is installed with: a first speaker that reproduces a signal for the left ear and a second speaker that reproduces a signal for the right ear; and a propagation obstruction adapted to block a propagation path of crosstalk components output from the respective speakers.Type: GrantFiled: December 10, 2018Date of Patent: November 16, 2021Assignee: Sony CorporationInventors: Ryutaro Watanabe, Toru Nakagawa, Tetsunori Itabashi, Shigetoshi Hayashi, Toru Chinen, Asaya Hondo, Satoko Kitagawa
-
Patent number: 11159886Abstract: To favorably reduce crosstalk components output from respective speakers that reproduce left and right ear signals. Directivity is given to a left ear signal and a right ear signal and the left ear signal and the right ear signal are reproduced by using at least two respective speakers arranged back-to-back to reduce crosstalk components. For example, the speaker may be a speaker installed in a headrest or a seat provided with the headrest. For example, the directivity given to the left ear signal and the directivity given to the right ear signal may be bidirectional directivity or unidirectional directivity.Type: GrantFiled: January 10, 2019Date of Patent: October 26, 2021Assignee: Sony CorporationInventors: Shigetoshi Hayashi, Ryutaro Watanabe, Tetsunori Itabashi, Toru Nakagawa, Takuma Domae
-
Publication number: 20210286073Abstract: To provide a mechanism for selectively taking an external sound from an appropriate sound source into an internal space of a moving object. An information processing apparatus including an acquisition unit configured to acquire an audio signal from a sound source existing outside a moving object, a generation unit configured to generate an audio signal from a target sound source at a distance from the moving object, the distance being a distance according to a speed of the moving object, of the sound sources, on the basis of the audio signal acquired by the acquisition unit, and an output control unit configured to output the audio signal generated by the generation unit toward an internal space of the moving object.Type: ApplicationFiled: December 7, 2017Publication date: September 16, 2021Inventors: KEIICHI OSAKO, KOHEI ASADA, TETSUNORI ITABASHI, KAZUMA YOSHII, KENICHI MAKINO, YASUNOBU MURATA, SHIGETOSHI HAYASHI
-
Patent number: 11081136Abstract: [Object] To provide an information processing apparatus by which sound can be smoothly re-listened to. [Solution] There is provided an information processing apparatus including: a reproduction processing unit that performs reproduction of a recorded sound on a basis of a reproduction start instruction for starting re-listening of the recorded sound from a position tracking back a predetermined time from a reproduction start time, at which the reproduction start instruction is input, to a position of a present time.Type: GrantFiled: March 27, 2020Date of Patent: August 3, 2021Assignee: Sony CorporationInventors: Kyosuke Matsumoto, Yushi Yamabe, Tetsunori Itabashi, Kohei Asada
-
Publication number: 20210227326Abstract: The present invention is directed to reducing influence of crosstalk components by appropriately blocking a propagation path of the crosstalk components output from speakers that reproduce signals for right and left ears respectively. Provided is a contact member used in contact with a back and/or a back of a head of a listener. The contact member is installed with: a first speaker that reproduces a signal for the left ear and a second speaker that reproduces a signal for the right ear; and a propagation obstruction adapted to block a propagation path of crosstalk components output from the respective speakers.Type: ApplicationFiled: December 10, 2018Publication date: July 22, 2021Applicant: Sony CorporationInventors: Ryutaro Watanabe, Toru Nakagawa, Tetsunori Itabashi, Shigetoshi Hayashi, Toru Chinen, Asaya Hondo, Satoko Kitagawa
-
Patent number: 11024280Abstract: A signal processing apparatus includes a signal processor configured to: generate a first noise reduction signal using an adaptive filter based on a signal output from a first input apparatus, and cause the generated first noise reduction signal to be output by a first output apparatus; and generate a second noise reduction signal using a feedback filter based on a signal output from a second input apparatus, and cause the generated second noise reduction signal to be output by a second output apparatus. The feedback filter has a fixed feedback coefficient. The first input apparatus is located at a first noise-cancellation target location in an environment, and the second input apparatus is located at a second noise-cancellation target location in the environment, which may be different from the first noise-cancellation target location.Type: GrantFiled: May 21, 2020Date of Patent: June 1, 2021Assignee: Sony CorporationInventors: Tetsunori Itabashi, Kohei Asada, Shigetoshi Hayashi, Kenichi Makino, Kazuma Yoshii
-
Publication number: 20210037333Abstract: An acoustic processing apparatus includes an acquisition section that acquires operation position information of a seat apparatus that operates following a movement of a user; and a sound image localization processor that performs sound image localization processing on an audio signal according to the operation position information acquired by the acquisition section, the audio signal being reproduced by a speaker unit provided to the seat apparatus.Type: ApplicationFiled: November 30, 2018Publication date: February 4, 2021Applicant: Sony CorporationInventors: Toru Nakagawa, Ryutaro Watanabe, Tetsunori Itabashi, Shigetoshi Flayashi
-
Patent number: 10896668Abstract: A signal processing apparatus is provided which can suppress external noise without degrading an audio characteristic.Type: GrantFiled: December 11, 2017Date of Patent: January 19, 2021Assignee: Sony CorporationInventors: Yoshinori Tamori, Kohei Asada, Tetsunori Itabashi, Shinpei Tsuchiya
-
Publication number: 20200374631Abstract: To favorably reduce crosstalk components output from respective speakers that reproduce left and right ear signals. Directivity is given to a left ear signal and a right ear signal and the left ear signal and the right ear signal are reproduced by using at least two respective speakers arranged back-to-back to reduce crosstalk components. For example, the speaker may be a speaker installed in a headrest or a seat provided with the headrest. For example, the directivity given to the left ear signal and the directivity given to the right ear signal may be bidirectional directivity or unidirectional directivity.Type: ApplicationFiled: January 10, 2019Publication date: November 26, 2020Applicant: Sony CorporationInventors: Shigetoshi Hayashi, Ryutaro Watanabe, Tetsunori Itabashi, Toru Nakagawa, Takuma Domae
-
Publication number: 20200367005Abstract: A sound image localization processing section 41 performs sound signal processing for localizing a sound image of reproduction sound on a sound signal supplied from a sound source section 20. A control section 46 controls the sound signal processing performed by the sound image localization processing section, on the basis of posture tilt information that is generated by a posture tilt information generation section 30 and that indicates tilt of listening posture of a listener, and adjusts a localization position of the sound image in accordance with the tilt of the listening posture. For example, the localization position of the sound image is adjusted in an upward direction in accordance with tilt of the listening posture of the listener in a front direction, and the localization position of the sound image is adjusted in a downward direction in accordance with tilt of the listening posture in a rear direction.Type: ApplicationFiled: October 25, 2018Publication date: November 19, 2020Applicant: Sony CorporationInventors: Tetsunori ITABASHI, Shigetoshi HAYASHI, Toru NAKAGAWA, Ryutaro WATANABE
-
Publication number: 20200286461Abstract: A signal processing apparatus includes a signal processor configured to: generate a first noise reduction signal using an adaptive filter based on a signal output from a first input apparatus, and cause the generated first noise reduction signal to be output by a first output apparatus; and generate a second noise reduction signal using a feedback filter based on a signal output from a second input apparatus, and cause the generated second noise reduction signal to be output by a second output apparatus. The feedback filter has a fixed feedback coefficient. The first input apparatus is located at a first noise-cancellation target location in an environment, and the second input apparatus is located at a second noise-cancellation target location in the environment, which may be different from the first noise-cancellation target location.Type: ApplicationFiled: May 21, 2020Publication date: September 10, 2020Applicant: Sony CorporationInventors: Tetsunori Itabashi, Kohei Asada, Shigetoshi Hayashi, Kenichi Makino, Kazuma Yoshii
-
Patent number: 10748519Abstract: A signal processing apparatus includes a signal processor configured to: generate a first noise reduction signal using an adaptive filter based on a signal output from a first input apparatus, and cause the generated first noise reduction signal to be output by a first output apparatus; and generate a second noise reduction signal using a feedback filter based on a signal output from a second input apparatus, and cause the generated second noise reduction signal to be output by a second output apparatus. The feedback filter has a fixed feedback coefficient. The first input apparatus is located at a first noise-cancellation target location in an environment, and the second input apparatus is located at a second noise-cancellation target location in the environment, which may be different from the first noise-cancellation target location.Type: GrantFiled: July 26, 2017Date of Patent: August 18, 2020Assignee: Sony CorporationInventors: Tetsunori Itabashi, Kohei Asada, Shigetoshi Hayashi, Kenichi Makino, Kazuma Yoshii