Patents by Inventor Dai Hashimoto

Dai Hashimoto 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).

  • Patent number: 11917393
    Abstract: A sound field support method for an audio reproducing apparatus for simulating sound emitting from a sound source, the method includes selecting either position information on the sound source to be set in a virtual space or localization information of the sound source, in a case where sound from the sound source is to be simulated sound emitted from a speaker to be set in a target space, generating a first sound signal based on the position information in a state where the selecting has selected the position information, generating a second sound signal based on the localization information in a state where the selecting has selected the localization information, and adjusting sound image localization of an input audio signal from the sound source to be output to the speaker using the first sound signal and the second sound signal.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: February 27, 2024
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11900913
    Abstract: A sound signal processing method includes: obtaining a plurality of sound signals respectively collected by a plurality of microphones arranged in a space; adjusting respective levels of the plurality of sound signals in accordance with respective positions of the plurality of microphones; mixing the plurality of sound signals having the adjusted respective levels to thereby obtain a mixed signal; and generating a reflected sound by using the obtained mixed signal.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: February 13, 2024
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto
  • Patent number: 11895485
    Abstract: A sound signal processing method includes: obtaining a sound signal; obtaining impulse response data that was measured in a predetermined space before the sound signal is obtained; generating an early reflected sound control signal not including a reverberant sound by convolving impulse response data of an early reflected sound among the obtained impulse response data into the obtained sound signal.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: February 6, 2024
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto
  • Patent number: 11895484
    Abstract: An audio signal processing method detects a position, in a sound space, of a sound source that generates an audio signal, the sound space being divisible into a plurality of areas, and generates an initial reflected sound control signal by convolving (i) an impulse response of an initial reflected sound linked to a first area of the sound space, among the plurality of areas of the sound space, corresponding to the detected position of the sound source to (ii) the audio signal of the sound source without convolving (iii) an impulse response of an initial reflected sound linked to any of the plurality of areas of the sound space other than the first area of the sound space corresponding to the detected position of the sound source to (ii) the audio signal of the sound source.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: February 6, 2024
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11805384
    Abstract: An audio signal processing method includes obtaining an audio signal of a sound source, performing first filter processing on the audio signal to generate an imaginary sound source of a virtual space, performing second filter processing on the audio signal to adjust a tone of the imaginary sound source, and outputting an initial reflected sound control signal generated by using the audio signal on which the first filter processing and the second filter processing have been performed, in a first case where the first filter processing is performed before the second filter processing, the first filter processing is performed on the audio signal, and the second filter processing is performed on the audio signal on which the first filter processing has been performed, and in a second case where the second filter processing is performed before the first filter processing, the second filter processing is performed on the audio signal, and the first filter processing is performed on the audio signal on which the seco
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: October 31, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11805385
    Abstract: An audio signal processing method includes generating an initial reflected sound control signal according to a geometrical shape of a virtual space, generating a reverberant sound control signal using a reflected sound parameter of the virtual space, calculating timing of connection, the timing of connection being a point in time at which a volume of an initial reflected sound reproducible by the initial reflected sound control signal is a same as a volume of a reverberant sound reproducible by the reverberant sound control signal, based on the geometrical shape of the virtual space, and increasing, in a period of time before the timing of connection, a level of the reverberant sound control signal so as to cause the volume of the reverberant sound to be closer to the volume of the reverberant sound at the timing of connection.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: October 31, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11749254
    Abstract: The sound signal processing method includes obtaining a sound signal of a sound source, convolving, according to a location of the sound source an impulse response of an early reflection sound with the sound signal to generate an early reflection sound control signal that reproduces an early reflection sound, and convolving an impulse response of a reverberant sound with the sound signal to generate a reverberant sound control signal that reproduces a reverberant sound.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: September 5, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Dai Hashimoto, Takayuki Watanabe
  • Publication number: 20230257988
    Abstract: Diagonal beam joining hardware according to one or more embodiments includes: a beam splicing part; an extending part protruding from an appropriate intermediate part of the beam splicing part; and a beam receiving hardware mounting part bending and extending from an end edge of the extending part to form a predetermined plane angle with respect to the beam splicing part. The beam splicing part is attached and fastened to a side face of a continued beam by through bolts and penetrating the beam in the beam width direction. Beam receiving hardware is fitted in a slit formed in an end part of the diagonal beam. A contacting part of the beam receiving hardware is superimposed on the beam receiving hardware mounting part of the diagonal beam joining hardware and fastened by bolt/nut fastening.
    Type: Application
    Filed: May 31, 2021
    Publication date: August 17, 2023
    Applicant: SEKISUI HOUSE, LTD.
    Inventors: Ryosuke SATO, Daiki FUKUMOTO, Takeshi ICHIHARI, Yasuaki TAKAHASHI, Dai HASHIMOTO, Satoru TAKEUCHI, Tatsuya ISHIKAWA
  • Publication number: 20230235622
    Abstract: A building structure 1a, 1b, and 1c incorporates an outer wall 6 provided on a lower side of a sloped ceiling 2 in a slope direction, an opening part 5 formed in the outer wall 6, a box-shaped groove part 15 formed at a lower end of the sloped ceiling 2 along the outer wall 6 and having a lower opening 14 opened downward, and an attachment part 17 provided inside the groove part 15 and to which an upper end part of a light shielding material 16 that shields light incident on the opening part 5 is attached, wherein the groove part 15 is a ceiling-embedded type embedded in the sloped ceiling 2, and a lower end of a side plate of the groove part 15 on a side opposite to the opening part 5 is lower than a height of a lower surface of a frame 23 on an upper side of the opening part 5.
    Type: Application
    Filed: June 21, 2021
    Publication date: July 27, 2023
    Inventors: Dai HASHIMOTO, Hirokazu MIYACHI, Yuya HASEGAWA, Takahiro SUEZAWA, Tatsuya ISHIKAWA, Yasuaki TAKAHASHI
  • Publication number: 20230228111
    Abstract: A space configuration of a house is provided, in which the continuity from the inside of a room to a semi-outdoor space is created in various directions to give a feeling of openness in a large area inside of the room. Windows capable of daylighting and ventilation are provided respectively in two wall surfaces of a room so as to each have an opening width accounting for ½ or more of a corresponding wall length of the wall surfaces. One window has an opening that accounts for a whole ceiling height of the room, and a doorway is provided in the opening. On the outside of the one window, a semi-outdoor space including an exterior floor and an eaves ceiling is largely extended.
    Type: Application
    Filed: June 1, 2020
    Publication date: July 20, 2023
    Applicant: SEKISUI HOUSE, LTD.
    Inventors: Naruhiko NAKANO, Hirokazu MIYACHI, Dai HASHIMOTO
  • Patent number: 11659344
    Abstract: A sound signal processing method includes receiving a sound signal, generating an early reflection sound control signal that reproduces an early reflection sound and a reverberant sound control signal that reproduces a reverberant sound from the sound signal, controlling a volume of the sound signal and distributing the sound signal to generate a direct sound control signal, and mixing the direct sound control signal, the early reflection sound control signal that reproduces a direct sound, and the reverberant sound control signal to generate an output signal.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 23, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Dai Hashimoto, Takayuki Watanabe
  • Publication number: 20230134864
    Abstract: A management method, a computer performs an acquisition of video data from a monitoring terminal, an acquisition of a first event and a detection time of the first event from the video data; and a display of the detection time of the first event and an icon corresponding to a type of the first event, in a form according to the importance of the first event, on a display devise.
    Type: Application
    Filed: March 31, 2020
    Publication date: May 4, 2023
    Applicant: NEC Corporation
    Inventors: Satoshi HIRATA, Hajime Yamahita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
  • Publication number: 20230123273
    Abstract: A management device that includes an instruction unit that acquires metadata of video data of an area to be monitored generated by a monitoring terminal that detects an event from the video data, outputs, in response to an acquisition of metadata including information about the event, an analysis instruction for the video data of the area to be monitored imaged in a time zone including a time of detection of the event to a video analysis device that detects the event from the video data, and acquires an analysis result including information about the event detected from the video data by an analysis by the video analysis device, and an estimation unit that estimates a case event that has occurred in the area to be monitored based on the event detected by the monitoring terminal and the event detected by the video analysis device.
    Type: Application
    Filed: March 31, 2020
    Publication date: April 20, 2023
    Applicants: NEC Corporation, NEC Solution Innovators, Ltd.
    Inventors: Satoshi Hirata, Hajime Yamashita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
  • Publication number: 20230114160
    Abstract: The present invention reduces the amount of processing related to the analysis of video data. A detection time determination unit (11) determines a detection time for detecting a second event before or after a first event in time series from the video data on the basis of a time when the first event is detected from the video data, and an event detection unit (12) detects the second event from the video data in the detection time.
    Type: Application
    Filed: March 31, 2020
    Publication date: April 13, 2023
    Applicant: NEC Corporation
    Inventors: Satoshi HIRATA, Hajime Yamashita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
  • Publication number: 20230101369
    Abstract: An appropriate response to an event is recommended to a monitoring person. An event detection unit (12) detects an event based on video data, and an alert unit (13) issues a first alert when a first event is detected, and issues a second alert that is distinguished from the first alert when a second event relating to the first event is further detected in addition to the first event.
    Type: Application
    Filed: March 31, 2020
    Publication date: March 30, 2023
    Applicant: NEC Corporation
    Inventors: Satoshi HIRATA, Hajime Yamashita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
  • Publication number: 20230097661
    Abstract: A sound signal processing method includes: obtaining a sound signal; obtaining impulse response data that was measured in a predetermined space before the sound signal is obtained; generating an early reflected sound control signal not including a reverberant sound by convolving impulse response data of an early reflected sound among the obtained impulse response data into the obtained sound signal.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Takayuki WATANABE, Dai HASHIMOTO
  • Patent number: 11615776
    Abstract: A sound signal processing method includes: receiving a line-inputted sound signal; controlling a volume of the line-inputted sound signal; and generating an early reflected sound control signal using the line-inputted sound signal having the controlled volume.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: March 28, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto
  • Publication number: 20230018435
    Abstract: A sound signal processing method includes: obtaining a plurality of sound signals respectively collected by a plurality of microphones arranged in a space; adjusting respective levels of the plurality of sound signals in accordance with respective positions of the plurality of microphones; mixing the plurality of sound signals having the adjusted respective levels to thereby obtain a mixed signal; and generating a reflected sound by using the obtained mixed signal.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 19, 2023
    Inventors: Takayuki WATANABE, Dai HASHIMOTO
  • Patent number: 11546717
    Abstract: A sound signal processing method includes: obtaining a sound signal; obtaining impulse response data that was measured in a predetermined space before the sound signal is obtained; generating an early reflected sound control signal not including a reverberant sound by convolving impulse response data of an early reflected sound among the obtained impulse response data into the obtained sound signal.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: January 3, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto
  • Patent number: 11482206
    Abstract: A sound signal processing method includes: obtaining a plurality of sound signals respectively collected by a plurality of microphones arranged in a space; adjusting respective levels of the plurality of sound signals in accordance with respective positions of the plurality of microphones; mixing the plurality of sound signals having the adjusted respective levels to thereby obtain a mixed signal; and generating a reflected sound by using the obtained mixed signal.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: October 25, 2022
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto