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| Number | Title | Issue Date |
| 7342166 | Method and apparatus for randomized variation of musical data An initial note series is collected from a real-time source of musical input material such as a keyboard or a sequencer playing back musical data, or extracted from musical data stored in memory. The initial note series may be altered to create variations of the ini... | 03/11/2008 |
| 7336747 | Coding system for minimizing digital data bandwidth A digital compression system including a superresonant filter, which adds samples of a digital data signal at a frequency to previous samples. The added samples are parts of sine or cosine waves, not the sum of the waves. The output signal is actually the summation ... | 02/26/2008 |
| 7334010 | Feedback digital filter A digital filter includes a data storage section, a filter coefficient storage section, a multiplier, an accumulative adder section, a data output section and a control section. The data storage section stores the latest multiple input data for every channel and out... | 02/19/2008 |
| 7332667 | Automatic performance apparatus An automatic performance apparatus comprises a storage device that stores performance data and accompaniment data having a plurality of sections, a detector that detects a specific note in the performance data, a reproduction device that simultaneously reproduces th... | 02/19/2008 |
| 7328412 | Method and apparatus for displaying a gain control interface with non-linear gain levels A method for displaying a gain control interface having a gain level display with non-linear gain levels. The gain level display has a first end having an associated first pixel offset value and a second end having an associated second pixel offset value. A range of... | 02/05/2008 |
| 7326847 | Methods and systems for dynamic channel allocation Methods and systems of dynamic channel allocation. The provided methods and systems can be employed in a music synthesis system comprising a synthesizer. Audio instructions from sources, such as MIDI players, are received. Available channels provided by the synthesi... | 02/05/2008 |
| 7259313 | Musical instrument system capable of locating missing remote controller, musical instrument, remote controller and method use therein An electronic piano is controllable with a remote controller; since the remote controller is physically separated from the electronic piano, users are liable to mislay the remote controller somewhere around the electronic piano; in this situation, the user instructs... | 08/21/2007 |
| 7233551 | Optical disk control device for time-division-multiplexing and A/D conversion An optical disk control device comprises a playback signal detection unit for detecting data recorded on a disk by irradiating the disk with a converged light beam; a signal switching unit for successively selecting plural data signals obtained by the playback signa... | 06/19/2007 |
| 7230548 | Method and apparatus for high performance key detection with key debounce A system for detecting a key with key debounce including a circuit for detecting a key activation; a first counter coupled to the circuit and a clock for testing the key activation for a first user definable number of clock cycles; a key debounce buffer for storing ... | 06/12/2007 |
| 7170870 | Data packet transmission for channel-sharing collocated wireless devices Interference between collocated wireless devices sharing the same RF channel is avoided or minimized by a new header format provided for the first data packet in an RF transmission. By inclusion of an invalid pulse in the header of each isolated data packet, an FM r... | 01/30/2007 |
| 7169997 | Method and apparatus for phase controlled music generation An initial note series is collected from a real-time source of musical input material such as a keyboard or a sequencer playing back musical data, or extracted from musical data stored in memory. The initial note series may be altered to create variations of the ini... | 01/30/2007 |
| 7122732 | Apparatus and method for separating music and voice using independent component analysis algorithm for two-dimensional forward network Provided is an apparatus and method for separating music and voice using an independent component analysis method for a two-dimensional forward network. The apparatus of separating music and voice can separate voice signal and a music signal, each of which are indep... | 10/17/2006 |
| 7084787 | System and method for detecting key actuation in a keyboard A system and method for detecting key actuation in a keyboard assembly, which, in one embodiment, is used as a conductor to electrically communicate with an information appliance. The rows in the keyboard assembly are electrically isolated from one another, and each... | 08/01/2006 |
| 7038123 | Strumpad and string array processing for musical instruments A system for expanding generalizing aspects of an autoharp and making these functionalities beneficially available on other instruments. Strumpads comprising arrays of isolated touch switches, each generating distinct signals, are used to generate MIDI note events a... | 05/02/2006 |
| 7026537 | Multiplexing system for digital signals formatted on different standards, method used therein, demultiplexing system, method used therein computer programs for the methods and information storage media for storing the computer programs A user is fingering a piece of music on an electronic piano in ensemble with the playback of a piece of music recorded in a compact disc; while the user is playing the piece of music, the electronic piano generates MIDI music data codes representative of the fingeri... | 04/11/2006 |
| 6972699 | Foldable keyboard A foldable keyboard having a plurality of folding keyboard sections. Each keyboard section includes a frame carrying a key set having a plurality of keys. The key set may be movable laterally relative to the frame. The frame with the key set is foldable with respect... | 12/06/2005 |
| 6961008 | Scan circuit and method for keyboard A keyboard scan circuit for a device receiving plural inputs simultaneously is provided. The scan circuit includes a plurality of keyboard input/output ports, each of which can be selected from a group consisting of an input mode, an output mode, and a floating mode... | 11/01/2005 |
| 6956160 | Tone generator apparatus sharing parameters among channels A music apparatus utilizes a tone generator including a plurality of tone generating elements to generate a plurality of music tones arranged in a set of performance parts of a music piece based on sequence data. An assigning section assigns the plurality of tone ge... | 10/18/2005 |
| 6951060 | Method for transmitting control commands from a transmitting element to a measuring probe In a method for the wireless transmission of a control command from a transmitting element to a measuring probe using electromagnetic signals, the control command includes at least one bit sequence which is made up of high bits and at least one low bit. The high bit... | 10/04/2005 |
| 6501011 | Sensor array MIDI controller A MIDI controller musical instrument (80) with buttons (34) on two sensorboards (54,56) for controlling musical notes. The buttons (34) are arranged such that the most harmonious note combinations are played by fingering the most proximate button (34) com... | 12/31/2002 |
| 6437229 | Equipment and process for music digitalization storage, access, and listening A digital music server, a music digitizing station, and at least one listening stations connected in a network. Each listening station includes an earphone, keyboard, display, and bar code reader. The bar code on a compact disk (CD) is scanned using the b... | 08/20/2002 |
| 6198035 | Musical sound signal generation apparatus There is disclosed a musical sound signal generation apparatus for creating vacant channels by monaural sounding, in which a left/right balance is maintained and the total sound volume can be increased. When there is a key-on, and there is no vacant chann... | 03/06/2001 |
| 6121534 | Natural-scale tone-generator apparatus for MIDI musical keyboards After centuries of compromise and frustration, the unacceptable distortion created by equal-tempered-scale tuning can finally be eliminated and a musical keyboard instrument will be able to produce perfect harmony in any playing key. The invention is a na... | 09/19/2000 |
| 6018118 | System and method for controlling a music synthesizer A signal mapping system maps sensor signals into control signals that control the operation of a music synthesizer. A "one to many" mapping technique is used, allowing at least some of the sensor signals to each be mapped into numerous music synthesizer c... | 01/25/2000 |
| 5977468 | Music system of transmitting performance information with state information A music system is constructed by a transmitter for transmitting performance information and a receiver for receiving the performance information so as to reproduce music performance. In the transmitter, a first packet encoder packetizes the performance in... | 11/02/1999 |
| 5925842 | Electronic music tone generator with power saving control A waveform generator LSI generates waveform data in units of time slots corresponding to tone generation channels in accordance with tone control data assigned to the individual channels, and accumulates waveform data for the individual channels to form a... | 07/20/1999 |
| 5869781 | Tone signal generator having a sound effect function A tone signal generator includes a tone signal data generating device, a signal data generating device, and a sound effects imparting device, such as a digital signal processor. The sound effects are imparted to the tone signal data based on the signal da... | 02/09/1999 |
| 5824938 | Velocity sensing trigger interface for musical instrument An electronic instrument which generates sound using a sound generator upon receipt of a trigger signal. Each pad actuator for generating a trigger signal includes first and second actuators for respectively triggering first and second switches which, upo... | 10/20/1998 |
| 5804754 | Wave table sound source capable of processing external waveform A music apparatus is provided with a memory device that stores waveform data, and a sound device that has a plurality of tone generating channels, each of which is tuned in normal setting effective to process the waveform data retrieved from the memory de... | 09/08/1998 |
| 5802187 | Two-channel programmable sound generator with volume control Disclosed is a programmable sound generator for generating digital outputs of tone and noise signals used for producing computer sound effects. The programmable sound generator includes at least two channels generating digital output serving as either ton... | 09/01/1998 |
| 5753844 | Music play apparatus with advance resetting for subsequent playing A music play apparatus has a data supply unit for providing performance data and initialization data associated to a desired music piece, and a sound source unit for reproducing the music piece according to the performance data and the initialization data... | 05/19/1998 |
| 5708227 | Electronic musical instrument In an electronic musical instrument which generates musical tone signals based on playing information input from a key switch circuit 10, a key scan circuit 11 includes a decode circuit 22 to which the current status information and the previous status in... | 01/13/1998 |
| 5698805 | Tone signal generator for producing multioperator tone signals The present invention relates to a tone signal generator. The tone signal generator includes first tone signal generation means for producing a dual-tone, multi-frequency ("DTMF") audio signal; second tone signal means for producing a plurality of non-DTM... | 12/16/1997 |
| 5677504 | Tone signal generator A tone signal generator includes a plurality of tone generation channels, and a tone generation control data memory for storing instruction data for instructing tone generation or tone release and execution data for instructing execution thereof, for each... | 10/14/1997 |
| 5557057 | Electronic keyboard instrument An electronic musical instrument is designed in a generally guitar-shaped configuration with a fingerboard containing rows of keys replacing each string, one key for each string/fret position. Pressing on a key causes a signal to be provided to a central ... | 09/17/1996 |
| 5508469 | Musical tone synthesizing apparatus capable of changing musical parameters in real-time A musical tone synthesizing apparatus comprises a digital signal processor (i.e., DSP), a main memory and a sub memory. The main memory stores main instructions, while the sub memory stores sub instructions. In accordance with the main instructions and th... | 04/16/1996 |
| 5446237 | Electronic musical instrument having a control section memory for generating musical tone parameters An electronic musical instrument having a common memory, a tone generator and a control section. The common memory stores a plurality of musical tone parameters and is accessed by the tone generator and the control section. The tone generator generates a ... | 08/29/1995 |
| 5442125 | Signal processing apparatus for repeatedly performing a same processing on respective output channels in time sharing manner A signal processing apparatus according to the present invention is used as a sound source, an effecting machine and/or a communication equipment, which simultaneously generates or processes a plurality of musical tones and sounds on the basis of a plural... | 08/15/1995 |
| 5367119 | Local control function apparatus having a single switch An electronic musical instrument, which, in consonance with the state of a local control function, is designed to play music independently or in conjunction with an external device, includes a detector for detecting a depression of a predetermined operati... | 11/22/1994 |
| 5214230 | Musical tone data compensation apparatus A musical tone data compensation apparatus which detects chord components in a performance data stored in accordance with operation of a keyboard and modifies touch data of each tone composing a chord. New touch data are generated by compression or expans... | 05/25/1993 |
