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Assignee: Yamaha Corporation


Location: Hamamatsu-Shi, JP
No. of patents: 454

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NumberTitleIssue Date
8184836Audio apparatus
An audio apparatus inputs audio signals oriented toward a plurality of positions to speakers which output sound toward the respective positions with narrow directivity, including a table storage section which stores a table for registering the plurality of positions...
05/22/2012
8184829Signal processing device and method of processing signal
A plurality of sets of prepared parameters are stored in a parameter memory. A first control knob can be moved over a predetermined operating range in which a plurality of predetermined positions are discretely defined. The plurality of sets of prepared parameters a...
05/22/2012
8183452Tone generation apparatus
Waveform data stored in an external memory are transferred from the external memory to an internal waveform memory and read out from the waveform memory to reproduce a tone. Transfer instruction is generated each time data readout from the waveform memory progresses...
05/22/2012
8178251Fuel cell system
A fuel cell system includes a fuel cell, an auxiliary unit, a sound volume acquisition unit, and a control unit. The fuel cell supplies an electric power to a sound generating device that generates a sound. The auxiliary unit allows the fuel cell to generate the ele...
05/15/2012
8177022Transmitted sound control apparatus
Wall partitioning between outside and inside of a room has an opening portion closed with a film. Sound insulating plate, comprising a lamination of a sound reflecting plate and a sound absorbing member, is supported in opposed relation to the opening portion and at...
05/15/2012
8175731Apparatus for editing configuration data of digital mixer
A digital mixer has a custom component specified by a configuration ID. Further, the same configuration ID is provided to another custom component for ensuring compatibility of scene data which is used for operating the custom component. When a custom component of t...
05/08/2012
8170870Apparatus for and program of processing audio signal
In an audio signal processing apparatus, a generation section generates an audio signal representing a voice. A distribution section distributes the audio signal generated by the generation section to a first channel and a second channel, respectively. A delay secti...
05/01/2012
8170240Audio device
An audio device has controls for setting parameters. In the audio device, a selection mode setting part sets a selection mode in which a parameter to be stored is selected. A position acquisition part acquires positions of the controls and locks setting states of th...
05/01/2012
8170236Pitch detection apparatus and method
Band-pass filter suppresses frequency components of a sound signal that are lower than a low-side cutoff frequency and that are higher than a high-side cutoff frequency. Pitch detection section detects a pitch of the sound signal having been processed by the band-pa...
05/01/2012
8169260Amplifier circuit utilizing characteristic correction and smooth curvilinear correction
An amplifier circuit performs a characteristic correction process and a smooth curvilinear process on an input signal before being subjected to amplification. The characteristic correction process is a frequency characteristic process, which is performed on the inpu...
05/01/2012
8165326Sound field control apparatus
In a sound field control apparatus, a storage unit stores position information of a plurality of speakers disposed in a three-dimensional space and position information of a sound receiving point. An input unit inputs an audio signal and position information of a vi...
04/24/2012
8164388Amplifying apparatus
An amplifying apparatus amplifies an input signal supplied to an input terminal and outputs an output signal from an output terminal. The apparatus includes a high-potential power supply line through which a high voltage is supplied; a low-potential power supply lin...
04/24/2012
8161390Apparatus for displaying formation of network
A display apparatus is designed for displaying formation of a network on a screen. The network is composed of a plurality of nodes and is capable of transferring either of musical performance information and an audio signal through communication paths connecting the...
04/17/2012
8160732Noise suppressing method and noise suppressing apparatus
In a method for suppressing a noise by the spectrum subtraction method, it is possible to improve the noise suppression capability by simultaneously obtaining a frequency resolution required for the noise estimation spectrum and a temporal resolution required for th...
04/17/2012
8159325Wireless remote control signal transfer method and apparatus, and wireless remote control system
In response to continuous operation of an operation key on a remote control transmitter, the transmitter repetitively transmits a corresponding remote control signal with a predetermined cyclic period. The signal is received and analyzed by a remote control receiver...
04/17/2012
8159305Amplifying device
An amplifying device includes a selecting section that selects one of a first power source potential and a second power source potential which are different from each other, a potential generating circuit that generates a third power source potential from the power ...
04/17/2012
8158876Keyboard apparatus
A keyboard apparatus having hammers each adapted for contact at its mass-unconcentrated half with a lower surface of an initial stopper that restricts initial pivot positions of the hammers, thereby reducing a contact force with which each hammer contacts the initia...
04/17/2012
8157052Acoustic structure
In an acoustic structure, sound absorbing effect is achieved by interference between incident waves falling in an opening portion and reflected waves radiated from the opening as a result of resonance occurring within a hollow member in response to the incident wave...
04/17/2012
8155350Amplifier controller
An amplifier controller for controlling a plurality of amplifiers connected therewith is provided. Each of said amplifiers is provided with one or more audio output channels. The amplifier controller operates in two modes of solo mode and normal mode. When the solo ...
04/10/2012
8155343Engine sound processing system
Microphones are provided at an air inlet of the engine and a vehicle-cabin-side wall surface of an engine room, and engine sounds are picked up. The engine sound is processed by a signal processing section, and the processed engine sound is output from a speaker pro...
04/10/2012
8155341Vehicular audio apparatus, and tone generating method and program therefor
In accordance with a traveling state of a vehicle, a tone indicating, for example, that the vehicle is traveling is generated as a tone of a first performance part. Also, a variation in any of various states of the vehicle, such as an operating condition of a winker...
04/10/2012
8149873Data transmission apparatus efficiently using network resources
A data transmission apparatus connecting to a network consisted of a plurality of data transmission apparatuses comprises a disconnecting device that disconnects a connection established between a transmission plug of a transmitting node and a reception plug of a re...
04/03/2012
8149057Signal processing circuit
A signal processing circuit includes a waveform shaping section that applies a first gain to an input signal and generates a first signal when an absolute value of a level of the input signal falls within a first input range from a first level to a second level, a v...
04/03/2012
8148617Drum pad and manufacturing method thereof
A drum pad capable of providing an excellent percussion feeling and securely adhering a base portion to a body portion made of rubber. The drum pad has a rear-side clothlike material which is provided on a rear surface of the body portion and into which the rubber o...
04/03/2012
8148046Optical disk storage medium
The surface of a transparent layer provided on the uppermost layer of the label side of an optical disk is subjected to pearskin finish. As a result, a light from a reflection layer is prevented from directly entering a user who has viewed an image on the label side...
04/03/2012
8138757Manufacturing method for magnetic sensor and lead frame therefor
A magnetic sensor is constituted using magnetic sensor chips mounted on stages supported by interconnecting members and a frame having leads in a lead frame. Herein, the stages are inclined upon plastic deformation of the interconnecting members. When the frame is h...
03/20/2012
8138402Keyboard musical instrument and solenoid drive mechanism
A keyboard musical instrument has a solenoid including a plunger and a coil into which the plunger is inserted, a drive unit for applying voltage to the solenoid, and a key which moves together with the plunger, and on which a force generated by the solenoid is exer...
03/20/2012
8135483Editing device and audio signal processing device
An editing device that edits a configuration of signal processing to be performed in a mixer engine having a programmable signal processor stores, for each of a plurality of mixer engines, resource data indicating a signal processing resource of a DSP of the mixer e...
03/13/2012
8130982Signal amplifying apparatus, amplification system, and signal amplification method
An amplification system of the invention can decrease power consumption in a power amplification section if the power amplification section need not be used. The power consumption in the power amplification section can be decreased by shutting off power feed into a ...
03/06/2012
8130968Light-emission responder
A light-emission responder can respond to input of sound, realizes versatility of response, and can be applied to various use forms. A microphone (110) converts a sound wave into an electric signal. An amplifying section (111) amplifies the electric si...
03/06/2012
8126167Condenser microphone
The present invention provides a condenser microphone, in which, with a simple manufacturing process, vibration characteristics of a diaphragm are improved, and a parasitic capacitance occurring between the diaphragm and a back plate is reduced, thus improving sensi...
02/28/2012
8121314Mixing apparatus, mixing method, and mixing program
A mixing apparatus which makes it possible to monitor an internally-generated audio signal and an audio signal from an external apparatus not only in response to turning-on/off of a monitor switch but also in flexible and various manners when mixing those signals. T...
02/21/2012
8121297Signal processing device and sound image orientation apparatus
A signal processing device includes a filter that is set to frequency characteristics in which a dip existing in an intermediate and high frequency range is smoothed in the frequency characteristics of a virtual characteristic applying filter for applying transfer c...
02/21/2012
8117031Voice processing apparatus and program
A voice processing apparatus has a storage device that stores registration information containing a characteristic parameter of a given voice. The voice processing apparatus is further provided with a judgment unit, a management unit and a notification unit. The jud...
02/14/2012
8116470Impulse response processing apparatus and reverberation imparting apparatus
An impulse response processing apparatus is composed of a waveform divider, a time adjuster, an interpolation processor and a waveform synthesizer. The waveform divider divides an impulse response into a plurality of base blocks on a time axis. The time adjuster inc...
02/14/2012
8115089Apparatus and method for creating singing synthesizing database, and pitch curve generation apparatus and method
Waveform data representative of singing voices of a singing music piece are analyzed to generate melody component data representative of variation over time in fundamental frequency component presumed to represent a melody in the singing voices. Then, through machin...
02/14/2012
8111601Method of forming visual image on optical disk by laser beam
A method is designed for forming a visual image having a specified shape on a surface of an optical disk by using an optical writing process of irradiating a laser beam onto the surface of the optical disk to form pits. The optical disk is normally capable of record...
02/07/2012
8108140Navigation device
A navigation device is designed to calculate the present position thereof based on the output data of a GPS unit in association with an acceleration sensor and a magnetic sensor. When the absolute value of the acceleration detected by the acceleration sensor is abov...
01/31/2012
8106287Tone control apparatus and method using virtual damper position
Virtual damper position data, simulatively representing a position of a damper member provided for suppressing vibration of a string in a physical tone generating mechanism of the acoustic piano, is generated on the basis of key-on data, key-off data, released key p...
01/31/2012
8106286Waveform generating apparatus
In a synthesizer 10, when a function of a tone generation module 312 provided by an external tone generation server 310 is usable, a tone generator control module 102 assigns a necessary number of sound generation channels among sound gen...
01/31/2012
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