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Assignee: YAMAHA CORPORATION


Location: Hamamatsu-shi, , JP
No. of patents: 59

1    
NumberTitleIssue Date
7464034Voice converter for assimilation by frame synthesis with temporal alignment
A voice converting apparatus is constructed for converting an input voice into an output voice according to a target voice. The apparatus includes a storage section, an analyzing section including a characteristic analyzer, a producing section, a synthesizing sectio...
12/09/2008
7463740Sound data processing apparatus for simulating acoustic space
A data processing apparatus is designed for simulating an acoustic characteristic of an acoustic space which contains a sound source for generating a sound and a sound receiving point for receiving the sound. In the apparatus, each of a plurality of characteristic c...
12/09/2008
7456352System of electronic musical instrument and mobile wireless terminal set
An electronic musical instrument is constructed to treat music information associated to music tones, and can be coupled to a mobile wireless terminal set communicable with a public communication network. In the electronic musical instrument, a main block processes ...
11/25/2008
7455440Electronic device, panel structure thereof and method of mounting indicator therein
A panel of an electronic device on which an indicator is mounted is provided with an insertion hole therethrough. The indicator is composed of a light guide with one end surface exposed to a front surface side of the panel and another end surface projecting to a rea...
11/25/2008
7454258Digital mixing system, engine apparatus, console apparatus, digital mixing method, engine apparatus control method, console apparatus control method, and programs executing these control methods
A digital mixing system is provided in which a console section and an engine section that executes signal processing can operate consistently in accordance with control signals input to the console section and the engine section. The digital mixing system has a plur...
11/18/2008
7451330Portable appliance, power saving method and sound volume compensating method, and storage medium
There are provided a mobile device that is equipped with a musical composition-reproducing section and capable of curtailing the battery drain as much as possible, and a mobile device that prevents the quality of reproduced musical tones from being degraded even if ...
11/11/2008
7450728Parameter control method and program therefor, and parameter setting apparatus
Non-linear functions to be used for automatically varying current values of parameters to be set, independently of each other, are prepared in corresponding relation to a plurality of parameter setting operator members, such as faders of a mixer. In response to an a...
11/11/2008
7450449Semiconductor memory device and its test method
A test circuit is connected to a memory core integrated unit of SRAM. When the memory core integrated unit is to be tested, a test start signal is set to a high level so that one of a bit line and an inverted bit line is used for data write and the test circuit sets...
11/11/2008
7449948Amplifier
PWM signals having different polarities input from a +IN terminal and a −IN terminal are output to a pre-driver and a switching signal generation circuit. The pre-driver outputs to switches a gate signal for actuating a driver obtained from the input PWM signal. T...
11/11/2008
7447137Method and apparatus for controlling power during recording of a visible image in an optical storage medium
A controlling unit 130 of an optical disc recording apparatus judges a failure of a focus servo in accordance with an output signal of a servo circuit 107. When a failure of the focus servo is detected, a laser light irradiating position at the time of...
11/04/2008
7446792Method and apparatus for forming visible image on optical disk
An optical disk has inner and outer information areas respectively in inner and outer portions thereof in each of which a groove is formed at a predetermined width. A planar mirror surface is provided without forming a groove, in an area lying between the areas. Whe...
11/04/2008
D579914Combined speaker and amplifier
11/04/2008
7443806Communication management apparatus and method for an audio data communication management system
A communication management system is consisted of a plurality of apparatuses connected to a network. Each apparatus comprises: a transmitter that transmits first setting information representing all setting status of own apparatus to the other apparatuses connected ...
10/28/2008
D579441Combined speaker and amplifier
10/28/2008
7439980Image processing method and apparatus
In image processing adapted to a display apparatus using a plurality of line buffers for storing data regarding dots aligned on scanning lines on the screen, when a line having a prescribed width and a prescribed length is drawn on the screen, a line drawing range i...
10/21/2008
RE40543Method and device for automatic music composition employing music template information
For each section forming a music piece, music template information is supplied which includes at least information indicative of a pitch variation tendency in the section. A plurality of already-composed music pieces are preferably analyzed to store a plurality of p...
10/21/2008
D579040Electronic piano
10/21/2008
7439436Main case body of musical keyboard instrument
A main case body of a musical instrument, which is capable of securing a degree of freedom of design. A case structure includes a lower front case, a lower rear case, and an upper case. The lower front case has a keyboard unit mounted therein. A bottom part extends ...
10/21/2008
7436420System and method for controlling a tracking servo during label printing
A visible light characteristic changing layer formed from photosensitive or heat-sensitive material is formed in a location which can be viewed from a part of a label surface of an optical disk. The optical disk is set on a turntable of an optical disk unit while th...
10/14/2008
7436254Class D amplifier
A D class amplifier of the invention generates a carrier signal Pct based on a master clock Φp without jitter, which is supplied to a PWM circuit. Using a digital PLL including a phase comparator, a loop filter and a carrier oscillator, the generated carrier signal...
10/14/2008
D578545Combined music player and pulse meter
10/14/2008
7436971Mixing signal-path setting apparatus and program
One or more input channels are selected from among a plurality of input channels, and signals of the selected one or more input channels are mixed into a first output channel. A particular input channel to be excluded from the plurality of input channels is set as d...
10/14/2008
7433846Method of embedding permanent identification code into musical apparatus
A method is designed for embedding an identification code into a musical apparatus which is allotted a serial number. The method is carried out by the steps of accepting an input of the serial number by a user of the musical apparatus, applying a specific operation ...
10/07/2008
7433745Digital mixing system with dual consoles and cascade engines
A method is designed for controlling a total mixing system including a first mixing system and a second mixing system, which are operated in a linked manner. In the method, the first mixing system stores first scene data specifying contents of a mixing process match...
10/07/2008
7432435Tone synthesis apparatus and method
Dynamics value is acquired intermittently at predetermined time periods, and a waveform data set for a sustain tone, corresponding to the acquired dynamics value, is specified from among waveform data sets stored in a memory. To generate a tone waveform while switch...
10/07/2008
7432429Pedaling aid for handicapped musician
A pedaling aid is combined with an acoustic piano, and assists a physically handicapped person in performing a piece of music on the acoustic piano; the pedaling aid includes a human interface, a pedal actuator and a controller, and the pedal actuator is equipped wi...
10/07/2008
7432430Musical instrument, music data producer incorporated therein and method for exactly discriminating hammer motion
In an automatic player piano, hammer sensors monitor associated hammers so as to report current positions on the hammer trajectories, and a data processor analyzes the hammer motion for producing pieces of music data representative of the performance on the acoustic...
10/07/2008
7430564Performance information reproducing apparatus and method and performance information reproducing program
There is provided a performance information reproducing apparatus that is capable of realizing desired synchronized reproduction of a plurality of types of data, such as music and images with ease. An external storage device stores a musical tone data file, in which...
09/30/2008
7430298Sound field controller
A sound field controller including a plurality of output channels for respectively supplying signals to a plurality of speakers, includes: a weighting-coefficient outputting unit which outputs weighting coefficients for determining how the signals on the plurality o...
09/30/2008
7430454Multi-track digital recording and reproducing apparatus
A multi-track digital recording/reproducing apparatus for recording/reproducing multi-track digital audio data, comprises: a multi-track recorder that records/reproduces digital audio data to/from a plurality of recording tracks; a mixing bus that selectively inputs...
09/30/2008
7427723Keyboard apparatus
A keyboard apparatus constructed to be capable of reducing the depth size thereof and permitting a key unit to be mounted to a key frame with a simple operation. Hinges are extended downward from rear ends of black key main bodies of a black key unit in the vertical...
09/23/2008
7428534Information retrieval system and information retrieval method using network
Client is supplied in advance with a storage medium that has stored therein a pseudo display program, identical or similar to at least a portion of a display program of a Web site for selling or distributing products or information, along with URL information. The c...
09/23/2008
D577057Electronic piano
09/16/2008
7425672Exterior structure for keyboard instrument
An exterior structure for a keyboard instrument, which is capable of dramatically increasing the variation of producible types of keyboard instruments while suppressing the cost of molds. A lower case includes a front-side lower case LCf and a rear-side lower case L...
09/16/2008
7424430Tone generator of wave table type with voice synthesis capability
A sound source apparatus has a plurality of tone forming parts for outputting either of desired tones or formants according to designation of a wave table sound source mode or a voice synthesizing mode, such that the tone forming parts generate the tones in the wave...
09/09/2008
7423950Apparatus for forming an image on an optical disk
An optical disk apparatus for forming an image on an optical disk according to dot data which defines density of dots of the image, the optical disk apparatus includes: a framing unit which makes a frame data by grouping a plurality of unit data, wherein when the do...
09/09/2008
7420113Rendition style determination apparatus and method
On the basis of performance event information, at least two notes to be sounded in succession or in an overlapping relation to each other are detected, and a tone pitch difference between the detected at least two notes is detected. Tone pitch difference limitation ...
09/02/2008
7420115Memory access controller for musical sound generating system
In an access controller provided for a musical sound signal generating system, a signal generating section operates when a readout of wave data of one block stored in a working memory is completed in a sound channel, for supplying a next waveform request signal to a...
09/02/2008
7420116Music data modifier for music data expressing delicate nuance, musical instrument equipped with the music data modifier and music system
A music data modifier receives pieces of original music data from a master hybrid piano, and partially modifies the pieces of original music data to pieces of modified music data for a slave hybrid piano; each piece of original music data contains a series of values...
09/02/2008
7416773Sound absorbing body
In order to provide a sound-absorbing body which has both a thin thickness and improved sound-absorption characteristics with regard to a low tone range sounds, the sound-absorbing body (1) includes: an organic hybrid sheet (2) constituted from an orga...
08/26/2008
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