| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 084647000 | Digital combinational circuit | 23 |
| 20110167990 | Digital theremin that plays notes from within musical scales - A musical instrument that can play notes and scale tones without physically touching the device. Microprocessor control, and its associated DSP functionality, permits designer and performer to determine fine musical characteristics and virtual fret positions resulting in a pleasant and playable digital Theremin. Control over key, scale, octave, slew, snap and other characteristics are provided. | 07-14-2011 |
| 084648000 | With frequency multiplication or division | 1 |
| 20100018383 | Digital complex tone generator and corresponding methods - Digital complex tone generators include a first tone generator configured to generate a first digital tone with selectable first characteristics including a first frequency, a first phase, and a first amplitude; a second tone generator configured to generate a second digital tone with selectable second characteristics including a second frequency, a second phase, and a second amplitude; and a generator adder configured for combining the first tone and the second tone to provide a digital complex tone with programmable characteristics. Corresponding methods include initializing a first and second tone generators based on, respective, selected frequencies, phases, and amplitudes; iteratively generating a first digital tone and a second digital tone; and combining these two tones to provide the digital complex tone. | 01-28-2010 |
| 084649000 | Note sequence | 3 |
| 20130098226 | Split Keyboard for PC Data and Music Output - A split keyboard with an optional middle section of keys for controlling regular PC input to a host, two play music, and to input and play music with a multiple octave keyboard that when the middle section of keys are removed can be portable to travel. And when working on just the split keyboard inputting data to a host the operator arms are not abducted do to the perpendicular advantage or slide apart keyboard where an operators arms are perpendicular to the keyboard keys. | 04-25-2013 |
| 084650000 | Accompaniment (e.g., chords, etc.) | 2 |
| 20120132057 | Generative Audio Matching Game System - An audio matching method, use of the method in a game system, an audio matching system and a data carrier are provided, where the audio matching method is for comparing an input audio fragment with reference audio fragment variants, the method being an incremental search method, including repeating the steps of: obtaining a number of reference audio fragments variants on the basis of one or more stored audio fragments from a reference storage; and comparing the input audio fragment against the number of reference audio fragment variants to determine a comparison result; whereby repetition of the steps is carried out a predetermined number of times or as long as the comparison result improves. | 05-31-2012 |
| 084651000 | Rhythm | 1 |
| 20150340021 | METHOD FOR EXTRACTING REPRESENTATIVE SEGMENTS FROM MUSIC - A method for extracting the most representative segments of a musical composition, represented by an audio signal, according to which the audio signal is preprocessed by a set of preprocessors, each if which is adapted to identify a rhythmic pattern. The output of the preprocessors that provided the most periodic or rhythmical patterns in the musical composition selected and the musical composition is divided into bars with rhythmic patterns, while iteratively checking and scoring their quality and detecting a section that is a sequence of bars with score above a predetermined threshold. Checking and scoring is iteratively repeated until all sections are detected. Then similarity matrices between all bars that belong to the musical composition are constructed, based on MFCCs of the processed sound, chromograms and the rhythmic patterns. Then equivalent classes of similar sections are extracted along the musical composition. Substantial transitions between sections represented as blocks in the similarity matrices are collected and a representative segment is selected from each class with the highest number of sections. | 11-26-2015 |
| 084653000 | Selecting circuits | 7 |
| 20140000444 | KEYBOARD CIRCUIT AND METHOD FOR DETECTING KEYBOARD CIRCUIT | 01-02-2014 |
| 084654000 | Fundamental tone detection or extraction | 1 |
| 20140060289 | SYNTHESIZED SIGNAL TUNER - A musical instrument comprising: (a) plurality of identical vibrating elements; (b) a digitizer associated with each said vibrating element; (c) an estimator that measures the fundamental vibration frequency of said vibrating element; and (d) a synthesized tuner, that conditioned upon at least said estimated fundamental frequency of each vibrating element, generate an audio signal that comprises the characteristics of the original vibration signals with a different fundamental frequency for each said original vibration signal. | 03-06-2014 |
| 084656000 | Priority or preference circuits | 1 |
| 20090013858 | SOUND GENERATOR FOR PRODUCING A SOUND FROM A NEW NOTE - A sound generator including a plurality of synthesis generators each configured to generate a sound from a note, and a dynamic voice allocation circuit configured to select a new note to be supplied to the plurality of synthesis generators depending on a priority that is associated with the new note and the generated sounds and the volumes of the generated sounds. | 01-15-2009 |
| 084658000 | Force or velocity responsive | 4 |
| 20080257135 | Electronic keyboard instrument and processing method of the same - An electronic keyboard instrument having a keyboard provided with a plurality of keys, a first and a second switches provided corresponding to each key of the keyboard and being sequentially turned on at a time interval corresponding to a key depression speed of the keyboard, a counting unit for counting a count value corresponding to the time interval during which the first and the second switches are sequentially turned on, a correcting unit for correcting the count value or a value corresponding to the count value based on a variation of the time interval, and a velocity conversion unit for converting the corrected value into a velocity, is provided. | 10-23-2008 |
| 20090019999 | HYBRID WIND MUSICAL INSTRUMENT AND ELECTRIC SYSTEM FOR THE SAME - A hybrid wind musical instrument is a combination of an alto saxophone and an electronic system, and a player has an option between acoustic tones and electronic tones to be produced during performance; the electronic system includes sensors monitoring selected component parts of the key mechanism so as to determine the electronic tones intended to be produced by the player, and plural combinations of pieces of magnet and Hall-effect elements serve as the sensors: However, the component parts of key mechanism are arranged in a narrow space over the surface of tubular instrument body; driven parts are attached to the selected component parts so as to bridge gap between the selected component parts and the Hall-effect elements remote from the selected component parts. | 01-22-2009 |
| 20120247308 | MULTI-FUNCTIONAL POSITION SENSING DEVICE HAVING PHYSICAL PATTERN LAYER - A multi-functional position sensing device includes: a plurality of sensors forming a sensing area to detect characteristic data of a touch object; a physical pattern layer, combined with the sensing area for dividing the sensing area into a plurality of independent blocks; and a control circuit for processing the characteristic data detected by the sensors to generate a position data of the touch object, and transmitting the position data to a host; wherein the host activates at least a corresponding command according to the position data relative to the independent blocks. The physical pattern layer can be replaced according to the application purpose to make the multi-functional position sensing device as an electronic percussion instrument, an electronic keyboard instrument, an add-on touch panel for a desktop display, or a game platform. | 10-04-2012 |
| 20150068390 | SYSTEM TO REPRODUCE THE SOUND OF A STRINGED INSTRUMENT - A system used to reproduce the sound of a stringed instrument provided with hammers striking the strings is disclosed. The system comprises speed detection means coupled with each hammer to detect the percussion velocity on the string, a plurality of note modules receiving in input a signal representative of the hammer velocity and generating a force signal (F | 03-12-2015 |
| 084659000 | Tone synthesis or timbre control | 9 |
| 20120266742 | MUSIC SECTION DETECTING APPARATUS AND METHOD, PROGRAM, RECORDING MEDIUM, AND MUSIC SIGNAL DETECTING APPARATUS - An index calculating unit calculates a tonality index of a signal component of each area of an input signal transformed into a time frequency domain based on intensity (for example, power spectrum) of the signal component and a function (quadratic function) obtained by approximating the intensity of the signal component. A music determining unit determines whether or not each area of the input signal includes music based on the tonality index. The present technology can be applied to a music section detecting apparatus that detects a music part from an input signal in which music is mixed with noise. | 10-25-2012 |
| 20120266743 | MUSIC SEARCH APPARATUS AND METHOD, PROGRAM, AND RECORDING MEDIUM - An index calculating unit calculates a tonality index of a signal component of each area of the input signal transformed into a time frequency domain based on intensity of the signal component and a function obtained by approximating the intensity of the signal component. A similarity calculating unit calculates a similarity between a feature quantity in each area of the input signal obtained based on the index and the feature quantity in each area of the reference signal obtained based on the index calculated on the reference signal transformed into the time frequency domain. A music identifying unit identifies music of the input signal based on the similarity. The present technology can be applied to a music search apparatus that identifies music from an input signal. | 10-25-2012 |
| 20160055839 | SOUND PREVIEW DEVICE AND PROGRAM - Provided is a sound preview device including, in an electronic musical instrument which includes a keyboard | 02-25-2016 |
| 20160163299 | Cartridge Receiver for a Tone Effects System - A cartridge receiver for a tone effects system used with an electric instrument that allows for reduced or eliminated signal loss before sound effects are applied. The cartridge receiver is integrated into the body of a desired electric instrument, while an effects cartridge is attached to the electric instrument via the cartridge receiver; the cartridge receiver providing electronic connections between the electric instrument and the effects cartridge. The effects cartridge provides an effects circuit for manipulating the received electronic signal, as well as an at least one effects control for adjusting the extent to which the effect is applied to the electronic signal. The cartridge receiver can be internally mounted within the electric instrument, wherein the cartridge receiver is fully recessed, or the cartridge receiver can be externally mounted to the electric instrument. | 06-09-2016 |
| 084660000 | Mixing | 1 |
| 20120234160 | MUSIC AND LIGHT SYNCHRONIZATION SYSTEM - An apparatus for synchronizing light signals to a music input signal includes an analog to digital converter to generate a digital signal equivalent of the analog music input signal, an digital signal decoder to generate an output pulse width modulated signal that is representative of the tempo and the volume of the music input signal, a light driver unit that receives the output pulse width modulated signal to correspondingly light up a lighting unit, and a lighting unit that emits light. Thus, light brightness synchronizes with the music volume amplitude, and the light blinks on and off with the music tempo and beating. | 09-20-2012 |
| 084661000 | Filtering | 4 |
| 20080245215 | Signal Processing Apparatus and Method, Program, and Recording Medium - Disclosed herein is a signal processing apparatus, including: removal means for removing, from a sound signal in the form of a stereo signal, a center component which is a component of sound positioned at the center between the left and the right; extraction means for extracting, from the sound signal from which the center component is removed, first feature quantity representative of characteristics of sounds of different tones of the 12-tone equal temperament within a predetermined range; and decision means for deciding a chord within the predetermined range using the first feature quantity. | 10-09-2008 |
| 20090031886 | RESONANCE SOUND ADDING APPARATUS FOR KEYBOARD INSTRUMENT - Resonators generate resonance sound data of given resonant frequencies based on sound signal data corresponding to a pitch of a key. Each resonator includes a delay circuit which delays an input based on delay time data, a second adder which adds an output from the delay circuit to input sound signal data, and a low-pass filter which performs filtering depending on a filter control signal on the output from the second adder. An output from the low-pass filter is input to the delay circuit, and a first adder adds outputs from the resonators. A storage device stores a coefficient table containing items of delay time data to be provided to the resonators, and the items of the delay time data do not match with frequencies corresponding to pitches of keys. | 02-05-2009 |
| 20100077910 | FILTER DEVICE AND ELECTRONIC MUSICAL INSTRUMENT USING THE FILTER DEVICE - In a filter device, a filter coefficient calculation circuit has a parameter table. The parameter table stores a plurality of sets of filter coefficients associated with a first parameter based on a frequency and a second parameter based on respective plurality of levels representing a degree of attenuation or enhancement of a gain of a filter in filter characteristics. The filter coefficient calculation circuit extracts a set of filter coefficients from a parameter table with the use of the first parameter and the second parameter determined according to a frequency and a strength of a musical sound signal, and outputs the extracted set of filter coefficients to the filter. The filter circuit performs filter processing for the musical sound signal, based on the filter characteristics determined by the set of filter coefficients. | 04-01-2010 |
| 20140165820 | AUDIO SYNTHESIZING SYSTEMS AND METHODS - A system and method is disclosed teach how to synthesizing audio. It allows specification of a musical sound to be generated. It synthesizes an audio source, such as noise, using parameters to specify the desired frequency slit spacing and the desired noise-to-frequency band ratio, then filtering the audio source through a sequence of filters to obtain the desired frequency slit spacing and noise to frequency band ratio. It allows modulation of the filters in the sequence. It outputs musical sound. | 06-19-2014 |
| 084662000 | Expression or special effects | 1 |
| 084663000 | Envelope shaping (i.e., attack, decay, sustain, or release) | 1 |
| 20090025542 | SHAPING AMPLITUDE CONTOURS OF MUSICAL NOTES - Methods and apparatus, including computer program products, for shaping amplitude contours of musical notes. A method for shaping amplitude contours of musical notes in time of particular pitch and duration includes processing musical notes to modify a contour of an amplitude shape curve of each note differently in accordance with its relationship to its succeeding note, the processing including calculating an initial amplitude shape curve, modifying a first portion of the calculated initial amplitude shape curve to be more convex or more concave, and independently modifying a second portion of the calculated initial amplitude shape curve to be more convex or more concave, the resulting modifications improving a timbre quality. | 01-29-2009 |
| 084666000 | Accompaniment | 1 |
| 20120125180 | DIGITAL PIANO WITH DOCK FOR A HANDHELD COMPUTING DEVICE - A digital piano having a dock for a handheld computing device is disclosed. The digital piano includes a keyboard having a number of keys and at least one speaker. A sound engine is operative to make audio signal in response to key presses on the plurality of keys of the keyboard. The sound engine includes an audio output to transmit the audio signal. A dock is configured and arranged to connect to a handheld computing device. The handheld computing device has an audio port and a music program running thereon operative to play musical accompaniment to the pianist. A summing circuit is provided that has an input electrically connected to the audio port of the handheld computing device and audio output of the sound engine and an output electrically connected to the at least one speaker. | 05-24-2012 |
