Sony Corporation

Hitachi, Ltd.

Sony Group Corporation

Shigetoshi Hayashi

Kohei Asada

Tetsunori Itabashi

Kenichi Makino

Go Igarashi

Yushi Yamabe

Kazuma Yoshii

Yuichi Yagawa

Toru Nakagawa

Keiichi Osako

Naoki Shinmen

Ryutaro Watanabe

Mitsuhiko Yoshimura

Norifumi Nishikawa

Akira Maeda

Shinpei Tsuchiya

Mitsuhiro Suzuki

Toru Chinen

Hiroshi Yamakawa

Tetsuya Masuishi

Kota Yamaguchi

Hiroshi Koike

Yasunobu Murata

Shigekazu Inohara

Kazunobu Ookuri

Yoshiyuki Kuroda

Nobuya Okayama

Kiyomi Hirohata

Masaki Kamata

Takuma Domae

Miyoko Namioka

Koichi Shimazaki

Kumiko Igawa

Masanori Yamada

Asaya Hondo

Junko Katsumata

Taichi Ishikawa

Keiichiro Inaba

Matsuki Yoshino

Yuuichi Yoshida

Kouichi Shimasaki

Kohsaku Yamahira

Keiji Fujii

Hiroshi Kanegae

Masaaki Nagao

Nobuaki Arai

Kiyoshi Takahara

Koya Sato

Satoko Kitagawa

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.

Information processing apparatus and information processing method

There is provided a mechanism that enables cooperation of a plurality of audio processing devices. An earphone device includes a sensor unit that detects an overlapping state of the earphone device and a headphone device and a wireless communication unit that wirelessly communicates with the headphone device which is worn to overlap an outer side of the earphone device worn by a user.

Earphone device, headphone device, and method

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.

Information processing apparatus, information processing method, and recording medium

[Problem] To propose a mechanism capable of performing a noise cancellation process in an ear hole opening type audio processing device. [Solution] An audio processing device including: an audio information acquisition unit that acquires audio information; a holding unit that abuts on a cavum concha or an inner wall of an ear canal and holds the audio information acquisition unit in a space closer to an eardrum side than a tragus, in a state of being worn by a user; an opening portion that opens an ear hole to an outside; and a signal processing unit that generates a noise cancellation signal based on the audio information acquired by the audio information acquisition unit.

Audio processing device and audio processing method

Provided is a headphone device including a housing, an audio input unit that is arranged to be separated from the housing and collects audio to generate an audio signal, a holding unit that abuts on a cavum concha or an inner wall of an ear canal of a user and holds the audio input unit in a space closer to an eardrum side than a tragus, in a state of being worn by the user, a wired connection unit that connects the housing and the audio input unit in a wired manner, a signal processing unit that generates a noise cancellation signal for an external sound based on the audio signal generated by the audio input unit, and generates an output signal based on the generated noise cancellation signal, and an audio output unit that outputs audio based on the output signal.

Headphone device

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.

Acoustic processing apparatus, acoustic processing method, and program

Provided is a signal processing apparatus of a plurality of signal processing apparatuses that includes a noise canceling processing unit capable of connecting one or more input portions and one or more output portions, and performs a noise canceling processing. Signal processing apparatuses of the plurality of signal processing apparatuses are connected to one another.

Signal processing apparatus and signal processing method

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.

Information processor, information processing system, and information processing method

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.

Acoustic device

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.

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.

Signal processing apparatus, method, and program

The present disclosure relates to an information processing apparatus and method capable of performing compensation to achieve a standard sound regardless of a recording environment. The microphone picks up sound from a sound source and inputs the sound to a recording apparatus as an analog audio signal. The recording apparatus is an apparatus that performs binaural recording and generates an audio file of a sound obtained by binaural recording. The recording apparatus adds metadata related to a recording environment of binaural content to the audio file generated by binaural recording and transmits the file with the metadata to a reproducing apparatus. The present disclosure is applicable to a recording/reproducing system that performs binaural recording and reproduction of the sound, for example.

Information processing apparatus and method

[Object] To provide a sound processing device capable of effectively reducing ambient noise at low cost. [Solution] Provided is a sound processing device including: a first sound collector configured to collect a first noise signal from a noise source of noise leaking into a casing mounted to a user's ear; a first signal processing unit configured to form a first noise reduction signal used to reduce noise at a cancellation point on the basis of the first noise signal; a second signal processing unit configured to form a second noise reduction signal used to reduce noise at a cancellation point with respect to a first pseudo noise signal; an adder configured to add the first noise reduction signal and the second noise reduction signal; and a sound emitter configured to emit an output of the adder into the casing as sound. The first pseudo noise signal is a signal obtained by subtracting an output of the adder applied with a simulation transfer characteristic from an output of the first sound collector, the simulation transfer characteristic being obtained by simulating a transfer characteristic from the sound emitter to the first sound collector.

Sound processing device, sound processing method, and computer program

[Object] To allow a listener to listen to ambient sounds of the external environment in an appropriate manner while wearing a head mounted acoustic device. [Solution] Provided is a signal processing device including a first acquiring unit configured to acquire a sound collection result for a first sound propagating in an external space, a second acquiring unit configured to acquire a sound collection result for a second sound propagating in an internal space, a first filter processing unit configured to generate a difference signal which is substantially equal to a difference between the first sound propagating directly from the external space toward the inside of the external ear canal and the first sound propagating from the external space to the internal space via the mounting unit on the basis of the sound collection result for the first sound, a subtracting unit configured to generate a subtraction signal obtained by subtracting a first signal component based on the sound collection result for the first sound and a second signal component based on an input acoustic signal from the sound collection result for the second sound, a second filter processing unit configured to generate a noise reduction signal based on the subtraction signal, and an adding unit configured to add the difference signal and the noise reduction signal to the input acoustic signal and generate a drive signal.

Signal processing device, signal processing method, and program

Growing community of inventors

Tokyo, Japan

Shigetoshi Hayashi