Patents Assigned to Yamaha Corporation
  • Sound signal processing method and sound signal processing device
    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
  • Speaker system and vehicle door therewith
    Patent number: 11546679
    Abstract: A speaker system includes a first panel, a second panel, a third panel, a speaker unit, and a sound absorber. The first panel is an outer panel constituting a part of a vehicle door of a vehicle having a compartment. The second panel constitutes a part of the vehicle door and is situated closer to the compartment than the first panel and has an opening. The third panel constitutes a part of the vehicle door and resides between the first panel and the second panel. The speaker unit overlaps the opening in a plan view when viewed from the compartment along a central axis of the speaker unit and outputs sound toward the compartment. The sound absorber is arranged at a location corresponding to an anti-node of particle velocity in a standing wave generated in a space defined between the speaker unit and the first panel.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: January 3, 2023
    Assignee: Yamaha Corporation
    Inventor: Yoshikazu Honji
  • Tempo setting device and control method thereof
    Patent number: 11526134
    Abstract: Disclosed herein is a tempo setting device including a detecting unit that deems a predetermined utterance as a detection target and detects the utterance of the detection target through recognizing sound, a tempo deciding unit that decides a tempo based on a detection interval of the detected utterance in response to two or more times of consecutive detection of the utterance of the detection target by the detecting unit, and a setting unit that sets the tempo decided by the tempo deciding unit.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: December 13, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Shuichi Matsumoto
  • Audio parameter adjustment apparatus, audio parameter adjustment method and non-transitory computer readable medium storing audio parameter adjustment program
    Patent number: 11527226
    Abstract: A reference part determiner determines a reference part from a plurality of parts including at least three parts. A subject part group determiner determines a subject part group from the plurality of parts, excluding the reference part determined by the reference part determiner out of the plurality of parts as a subject part group. An acquirer acquires a change pattern of a first audio parameter value set for the reference part. A changer changes a second audio parameter value set for the subject part group determined by the subject part group determiner according to a change pattern acquired by the acquirer.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: December 13, 2022
    Assignee: Yamaha Corporation
    Inventors: Naoya Sasaki, Koichi Kashiwazaki
  • Method and device for controlling FIR filter
    Patent number: 11528557
    Abstract: A method for controlling an FIR filter includes generating, based on operation information, a first and second control data, generating a second amplitude characteristic, and setting filter coefficients of the FIR filter based on the second amplitude characteristic. The first control data indicates an amount of expansion/compression in a frequency axis direction of a first amplitude characteristic that corresponds to a predetermined transfer function that is expressed as a function of an angular frequency, and the amount of expansion/compression is an integer value or a non-integer value. The second control data indicates an amount of shift in the frequency axis direction of the first amplitude characteristic.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: December 13, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Kenji Ishizuka
  • Sound absorption structure
    Patent number: 11521589
    Abstract: A sound absorption structure includes resonators that constitute separate bodies from each other and that produce Helmholtz resonance and a pliable coupling member that couples the plurality of resonators. Each of the resonators has a tubular shape or a pipe shape, includes an opening portion provided on a first end face, and includes a bottom portion provided on a second end face that is an opposite end face to the first end face. Each of the resonators is pliable.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 6, 2022
    Assignee: Yamaha Corporation
    Inventor: Kiyoyuki Tomimatsu
  • Audio device, server, audio system, and method of controlling audio device
    Patent number: 11516605
    Abstract: An audio device includes a network interface, an amplifier that amplifies an audio signal received through the network interface, and a processor configure to obtain an output value of a signal from the amplifier and sends the output value of the signal through the network interface.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: November 29, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Mitsutaka Goto
  • Sound absorbing apparatus and sound absorption structure
    Patent number: 11514879
    Abstract: A sound absorbing apparatus includes a first member including at least one first opening portion for enabling Helmholtz resonance, and a second member that is on the first member, has a plate shape or a sheet shape, and is formed of a porous material. The second member includes at least one second opening portion overlapping one-to-one with the at least one first opening portion in planar view. A periphery of each of the at least one second opening portion coincides with or is located outside a periphery of each corresponding one of the at least one first opening portion in planar view.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: November 29, 2022
    Assignee: Yamaha Corporation
    Inventor: Yoshikazu Honji
  • Learning model generation method, learning model generation device, and automatic musical performance robot
    Patent number: 11514876
    Abstract: Disclosed is a learning model generation method executed by a computer, including: striking a percussion instrument with a striking member to emit a musical sound; and conducting machine learning upon receiving an input of the musical sound emitted from the percussion instrument, and generating, based on the machine learning, a learning model for outputting numerical values for setting musical performance parameters for an automatic musical performance of the percussion instrument that is struck when the striking member is driven.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: November 29, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Kazuhiko Yamamoto
  • Audio system and method of controlling conveyer device
    Patent number: 11513529
    Abstract: An audio system includes an audio apparatus, a charger, and a conveyer. The audio apparatus includes a sound receiver to receive ambient sound, and a battery. The charger charges the battery of the audio apparatus. The conveyer includes a motor to transport the audio apparatus.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: November 29, 2022
    Assignee: Yamaha Corporation
    Inventors: Taku Ueda, Hisashi Nagai, Naoaki Kurita, Yuji Sakurai, Hisanobu Suzuki
  • Image processing method and image processing device
    Patent number: 11508174
    Abstract: An image processing method implemented by a computer includes extracting feature points from captured images that are sequentially generated by an image capture device and include at least a first captured image and a second captured image generated prior to the first captured image, determining whether the number of feature points extracted from the first captured image exceeds a threshold value, and specifying a location of the first captured image relative to the second captured image upon determining that the number of the feature points extracted from the first captured image is below the threshold value.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: November 22, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Kazuhiko Yamamoto
  • Voice synthesis method, voice synthesis apparatus, and recording medium
    Patent number: 11495206
    Abstract: Voice synthesis method and apparatus generate second control data using an intermediate trained model with first input data including first control data designating phonetic identifiers, change the second control data in accordance with a first user instruction provided by a user, generate synthesis data representing frequency characteristics of a voice to be synthesized using a final trained model with final input data including the first control data and the changed second control data, and generate a voice signal based on the generated synthesis data.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 8, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Ryunosuke Daido
  • Information processing method and apparatus for processing performance of musical piece
    Patent number: 11488567
    Abstract: Provided is an information processing apparatus that generates various kinds of time series data according to a performance tendency of a user. The information processing apparatus includes an index specifying unit 22 that specifies performance tendency information that indicates a performance tendency of a performance of a musical piece by a user by inputting observational performance data X representing the performance to a learned model La and an information processing unit 23 that generates time series data Z regarding the musical piece according to the performance tendency information.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: November 1, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Akira Maezawa
  • Sound signal processing method and sound signal processing device
    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
  • Speaker system and vehicle door
    Patent number: 11479090
    Abstract: Disclosed is a speaker system including a first panel that is an outer plate of a vehicle door, a second panel disposed on a vehicle interior side of the vehicle door, a third panel disposed between the first panel and the second panel, a speaker unit that has a sound emitting surface for emitting a sound toward the vehicle interior and is mounted on the second panel or the third panel, a first coupling mechanism that couples a peripheral portion of the second panel to the third panel, and a second coupling mechanism disposed at a position nearer the center of the second panel than a position of the speaker unit in the plane of the second panel and configured to couple the second panel and the third panel in the plane at a position not overlapping with the speaker unit.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: October 25, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Hideki Harada
  • Fader device
    Patent number: 11480447
    Abstract: A fader device includes a conductive shaft, a conductive moving body, and a conductive portion. The conductive moving body is movable in the longitudinal direction of the shaft and includes a gap between it and the conductive shaft. The conductive portion brings the shaft and the moving body into electrical continuity. A signal generation portion generates a touch sense signal. A detection portion detects contact with the conductive moving body based on a signal output according to a capacitance generated between the conductive shaft and the conductive moving body in response to the touch sense signal.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: October 25, 2022
    Assignee: Yamaha Corporation
    Inventors: Yoshihiro Natsume, Yoshihiro Suzuki
  • Musical instrument
    Patent number: 11482197
    Abstract: A musical instrument includes a plurality of strings and a body. The body supports the plurality of strings on a first surface of the body. The body includes a groove formed in the first surface that extends linearly. The groove has a constant width and a constant depth.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: October 25, 2022
    Assignee: Yamaha Corporation
    Inventor: Kenta Ishizaka
  • System, target apparatus, terminal, program, and method
    Patent number: 11467985
    Abstract: A system includes: a terminal that is capable of executing a plurality of programs; and a target apparatus that is capable of communicating with the terminal. The target apparatus includes: an acceptance unit that receives a specific operation; and a transmission unit that transmits trigger information to the terminal upon the acceptance unit receiving the specific operation. The terminal includes: a receiving unit that receives the trigger information from the transmission unit; a selection unit that selects a program corresponding to the target apparatus from the plurality of programs upon the receiving unit receiving the trigger information; and a processing unit that performs processing corresponding to the selected program.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: October 11, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Taro Morii
  • Audio processing apparatus and audio processing method
    Patent number: 11461071
    Abstract: An audio processing apparatus for a plurality of channels includes: a display device for displaying parameters of audio processing; a plurality of operation controllers, each associated with one of the plurality of channels, disposed in channel strips; and a processor configured to detect an operation amount of each of the plurality of operation controllers for changing the parameter associated therewith, including: in a first mode, a first operation amount of a first parameter for a first operation controller, among the plurality of operation controllers, displayed on the display device; and in a second mode, a second operation amount of a second parameter for each of the plurality of operation controllers for the plurality of channels.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: October 4, 2022
    Assignee: YAMAHA CORPORATION
    Inventors: Kosuke Saito, Takeshi Nonaka
  • Mixing console
    Patent number: D969777
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: November 15, 2022
    Assignee: YAMAHA CORPORATION
    Inventor: Masafumi Ito