Patents by Inventor Kohei Asada

Kohei Asada 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: 20190266991
    Abstract: [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.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 29, 2019
    Applicant: Sony Corporation
    Inventors: Shigetoshi Hayashi, Kohei Asada, Tetsunori Itabashi, Kazuma Yoshii, Mitsuhiro Suzuki, Shinpei Tsuchiya, Yushi Yamabe
  • Publication number: 20190251948
    Abstract: [Object] To reduce the influence of noise in a more preferred aspect even in an environment in which a user hears an acoustic sound output to an open space. [Solution] A signal processing device includes: a generation unit configured to generate a first noise reduction signal for driving a first acoustic device which outputs a first acoustic sound for reducing noise; and an acquisition unit configured to acquire a sound collection result of an acoustic sound collected by a predetermined sound collection unit, the acoustic sound including the first acoustic sound propagating from the first acoustic device via a first propagation path and a second acoustic sound propagating from a second acoustic device different from the first acoustic device via a second propagation path. The generation unit generates the first noise reduction signal on a basis of the sound collection result and a cancellation signal based on a second noise reduction signal for driving the second acoustic device.
    Type: Application
    Filed: January 24, 2017
    Publication date: August 15, 2019
    Applicant: Sony Corporation
    Inventors: Shigetoshi Hayashi, Kohei Asada, Tetsunori Itabashi, Kenichi Makino
  • Publication number: 20190248270
    Abstract: There is provided a mobile object including an imaging unit configured to capture a perimeter of the mobile object, a speaker configured to be capable of controlling directivity, a determination unit configured to determine whether the mobile object is in a driving mode, and a speaker control unit configured to control the speaker in the driving mode in a manner that predetermined audio is output toward a warning target that is recognized based on a captured image captured by the imaging unit, and to control the speaker in a non-driving mode in a manner that the predetermined audio is output in a non-directional way.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: YOICHIRO SAKO, HIROSHI OKADA, KAZUHIRO WATANABE, KAZUYUKI SAKODA, HIROFUMI YUCHI, KOHEI ASADA
  • Publication number: 20190251946
    Abstract: A noise reducing device includes: an acoustic-to-electric conversion section for collecting noise and outputting an analog noise signal; an analog-to-digital conversion section for converting the analog noise signal into a digital noise signal; and a digital processing section for generating a digital noise reducing signal on a basis of the digital noise signal and a desired parameter. The device further includes: a retaining section for retaining a plurality of parameters corresponding to a plurality of kinds of noise characteristics; a setting section for setting one of the plurality of parameters as the desired parameter of the digital processing section; a digital-to-analog conversion section for converting the digital noise reducing signal into an analog noise reducing signal; and an electric-to-acoustic conversion section for outputting noise reducing sound on a basis of the analog noise reducing signal.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Applicant: SONY CORPORATION
    Inventor: Kohei ASADA
  • Publication number: 20190215598
    Abstract: [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.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Applicant: Sony Corporation
    Inventors: Kohei Asada, Yushi Yamabe, Shigetoshi Hayashi
  • Patent number: 10349163
    Abstract: [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.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 9, 2019
    Assignee: Sony Corporation
    Inventors: Kohei Asada, Yushi Yamabe, Shigetoshi Hayashi
  • Publication number: 20190198036
    Abstract: [Object] To provide a sound source separation technology capable of improving the separation performance. [Solution] An information processing apparatus including: an acquisition section configured to acquire an observation signal obtained by observing a sound; and a sound source separation section configured to separate the observation signal acquired by the acquisition section into a plurality of separated signals corresponding to a plurality of assumed sound sources by applying a non-linear function to a matrix product of an input vector and a coefficient vector corresponding to each of the plurality of sound sources.
    Type: Application
    Filed: June 1, 2017
    Publication date: June 27, 2019
    Applicant: Sony Corporation
    Inventors: Keiichi Osako, Yuhki Mitsufuji, Kohei Asada
  • Patent number: 10332502
    Abstract: A noise reducing device includes: an acoustic-to-electric conversion section for collecting noise and outputting an analog noise signal; an analog-to-digital conversion section for converting the analog noise signal into a digital noise signal; and a digital processing section for generating a digital noise reducing signal on a basis of the digital noise signal and a desired parameter. The device further includes: a retaining section for retaining a plurality of parameters corresponding to a plurality of kinds of noise characteristics; a setting section for setting one of the plurality of parameters as the desired parameter of the digital processing section; a digital-to-analog conversion section for converting the digital noise reducing signal into an analog noise reducing signal; and an electric-to-acoustic conversion section for outputting noise reducing sound on a basis of the analog noise reducing signal.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 25, 2019
    Assignee: SONY CORPORATION
    Inventor: Kohei Asada
  • Publication number: 20190185500
    Abstract: A metal complex represented by formula (1) is provided. In formula (1), X represents a nitrogen atom or a group represented by ?C(RX)—; R1 represents an alkyl group having 4 or more carbon atoms; R2 represents an alkyl, cycloalkyl, alkoxy, cycloalkoxy, aryl, aryloxy, monovalent heterocyclic, or substituted amino group or a halogen atom; rings A and B each independently represent an aromatic hydrocarbon ring or an aromatic heterocyclic ring; M represents a rhodium, palladium, iridium, or platinum atom; n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, and n1+n2 is 2 or 3; A1-G1-A2 represents an anionic bidentate ligand; A1 and A2 each independently represent a carbon atom, an oxygen atom, or a nitrogen atom; and G1 represents a single bond or an atomic group constituting a bidentate ligand together with A1 and A2.
    Type: Application
    Filed: March 30, 2017
    Publication date: June 20, 2019
    Inventors: Mayu YOSHIOKA, Taichi ABE, Toshiaki SASADA, Kohei ASADA, Nobuhiko AKINO
  • Patent number: 10325587
    Abstract: A noise reducing device includes: an acoustic-to-electric conversion section for collecting noise and outputting an analog noise signal; an analog-to-digital conversion section for converting the analog noise signal into a digital noise signal; and a digital processing section for generating a digital noise reducing signal on a basis of the digital noise signal and a desired parameter. The device further includes: a retaining section for retaining a plurality of parameters corresponding to a plurality of kinds of noise characteristics; a setting section for setting one of the plurality of parameters as the desired parameter of the digital processing section; a digital-to-analog conversion section for converting the digital noise reducing signal into an analog noise reducing signal; and an electric-to-acoustic conversion section for outputting noise reducing sound on a basis of the analog noise reducing signal.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 18, 2019
    Assignee: SONY CORPORATION
    Inventor: Kohei Asada
  • Patent number: 10318028
    Abstract: According to the present disclosure, there is provided a control device including a detection unit configured to detect, as a manipulation region, at least a part of a substantial object present at a position at which a user is estimated to be able to perform a manipulation, a function setting unit configured to perform setting in a manner that a predetermined function matches the manipulation region detected by the detection unit, and a control unit configured to perform the function matched with the manipulation region based on a positional relation between the manipulation region and a manipulator.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: June 11, 2019
    Assignee: SONY CORPORATION
    Inventors: Yoichiro Sako, Seiji Wada, Hiroaki Ogawa, Hiroshi Mukawa, Tatsuya Narahara, Motoyuki Takai, Yasushi Miyajima, Ikuo Tsukagoshi, Kohei Asada, Kazuyuki Sakoda, Masashi Takeda, Akira Tange, Kazuhide Kemmochi, Ichigo Hayakawa, Takao Tanikame
  • Patent number: 10308164
    Abstract: There is provided a mobile object including an imaging unit configured to capture a perimeter of the mobile object, a speaker configured to be capable of controlling directivity, a determination unit configured to determine whether the mobile object is in a driving mode, and a speaker control unit configured to control the speaker in the driving mode in a manner that predetermined audio is output toward a warning target that is recognized based on a captured image captured by the imaging unit, and to control the speaker in a non-driving mode in a manner that the predetermined audio is output in a non-directional way.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: June 4, 2019
    Assignee: SONY CORPORATION
    Inventors: Yoichiro Sako, Hiroshi Okada, Kazuhiro Watanabe, Kazuyuki Sakoda, Hirofumi Yuchi, Kohei Asada
  • Publication number: 20190158945
    Abstract: Provided is a sound output device worn on an ear of a listener and used, and having listening characteristics of an ambient sound in a wearing state. A sound output device 100 includes a sound generating portion 110 that generates a sound, a sound guiding portion 120 that takes in the sound generated in the sound generating portion 110 from one end 121, and a holding portion 130 that holds the sound guiding portion 120 in the vicinity of the other end 122. The holding portion 130 is engaged with an intertragic notch, and supports the sound guiding portion 120 such that a sound output hole of the other end 122 of the sound guiding portion 120 to face a depth side of an ear canal. Even in a state where the listener wears the sound output device 100, the sound output device 100 does not block an ear cavity of the listener, and the listener can listen to the ambient sound.
    Type: Application
    Filed: January 21, 2019
    Publication date: May 23, 2019
    Inventors: GO IGARASHI, SATOSHI SUZUKI, KOHEI ASADA, KOJI NAGENO
  • Patent number: 10297246
    Abstract: Provided is a filter circuit for producing a noise reduction signal for reducing a noise signal collected by a microphone, including: a digital section including an analog/digital conversion section configured to convert the noise signal into a digital noise signal, a digital filter section configured to produce a digital noise reduction signal based on the digital noise signal, and a digital/analog conversion section configured to convert the digital noise reduction signal into an analog noise reduction signal; an analog path connected in parallel to said digital section and configured to output the noise signal as it is or after processed by an analog filter; and a synthesis section configured to synthesize the analog noise reduction signal outputted from said digital/analog conversion section of said digital section and the analog signal outputted from said analog path to produce a noise reduction signal to be used for noise reduction.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: May 21, 2019
    Assignee: Sony Corporation
    Inventors: Kohei Asada, Tetsunori Itabashi
  • Publication number: 20190149940
    Abstract: 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.
    Type: Application
    Filed: April 27, 2014
    Publication date: May 16, 2019
    Applicant: SONY CORPORATION
    Inventors: SHIGETOSHI HAYASHI, KOHEI ASADA, YUSHI YAMABE
  • Publication number: 20190138859
    Abstract: There is provided a display control system including a plurality of display units, an imaging unit configured to capture a subject, a predictor configured to predict an action of the subject according to a captured image captured by the imaging unit, a guide image generator configured to generate a guide image that guides the subject according to a prediction result from the predictor, and a display controller configured to, on the basis of the prediction result from the predictor, select a display unit capable of displaying an image at a position corresponding to the subject from the plurality of display units, and to control the selected display unit to display the guide image at the position corresponding to the subject.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventors: Kazuhiro Watanabe, Yoichiro Sako, Akira Tange, Kazuyuki Sakoda, Kohei Asada, Takatoshi Nakamura, Mitsuru Takehara, Yasunori Kamada, Takayasu Kon, Kazunori Hayashi, Hiroyuki Hanaya, Yuki Koga, Tomoya Onuma
  • Publication number: 20190114136
    Abstract: Provided is a signal processing device including a display control unit for causing a display to display an image corresponding to a specified place, a sound-collection-signal input unit for inputting a sound collection signal of a sound collection unit that collects a user sound produced with microphones surrounding the user, an acoustic-signal processing unit for performing a first acoustic-signal process for reproducing a sound field where the user sound is sensed as if the sound were echoing in the place on the signal input by the sound-collection-signal input unit, based on a first transfer function measured in the place to indicate how a sound emitted on a closed surface inside the place echoes in the place and then is transferred to the closed-surface side, and a sound-emission control unit for causing a sound based on the processed signal to be emitted from speakers surrounding the user.
    Type: Application
    Filed: November 27, 2018
    Publication date: April 18, 2019
    Applicant: Sony Corporation
    Inventors: Kohei Asada, Yoichiro Sako, Kazuyuki Sakoda, Akira Tange, Yuki Koga
  • Patent number: 10255899
    Abstract: The present disclosure relates to a noise reduction device and a noise reduction method capable of reducing noise in a more stable and effective manner. Signal processing is performed to generate a reference signal representing a waveform of noise. Moreover, signal processing is performed for an error signal representing a waveform of an error measured by a microphone in accordance with an amplitude-frequency characteristic. Then, a filter coefficient with which the error signal becomes zero is calculated under adaptive algorithm with reference to the reference signal. The reference signal is filtered by using the filter coefficient to obtain a control signal. The control signal is supplied to the corresponding one of the predetermined number of output units. The present technology is applicable to a noise cancelling system equipped in a closed space such as an interior of a vehicle, for example.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: April 9, 2019
    Assignee: SONY CORPORATION
    Inventors: Tetsunori Itabashi, Kohei Asada, Keiichi Osako, Shigetoshi Hayashi
  • Patent number: 10237641
    Abstract: Provided is a sound output device worn on an ear of a listener and used, and having listening characteristics of an ambient sound in a wearing state. A sound output device 100 includes a sound generating portion 110 that generates a sound, a sound guiding portion 120 that takes in the sound generated in the sound generating portion 110 from one end 121, and a holding portion 130 that holds the sound guiding portion 120 in the vicinity of the other end 122. The holding portion 130 is engaged with an intertragic notch, and supports the sound guiding portion 120 such that a sound output hole of the other end 122 of the sound guiding portion 120 to face a depth side of an ear canal. Even in a state where the listener wears the sound output device 100, the sound output device 100 does not block an ear cavity of the listener, and the listener can listen to the ambient sound.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 19, 2019
    Assignee: SONY CORPORATION
    Inventors: Go Igarashi, Satoshi Suzuki, Kohei Asada, Koji Nageno
  • Publication number: 20190073992
    Abstract: Provided is the signal processing device including: a signal analyzing unit configured to analyze a second audio signal based on a first audio signal which is input and a sound collected through a microphone; a cancellation processing unit configured to generate a cancellation signal for canceling the second audio signal; and a parameter generating unit configured to generate a control parameter used in the cancellation processing unit based on a result of analysis performed by the signal analyzing unit.
    Type: Application
    Filed: November 8, 2018
    Publication date: March 7, 2019
    Inventors: SHINPEI TSUCHIYA, KAZUNOBU OOKURI, TETSUNORI ITABASHI, KOHEI ASADA