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7615701 Method for keying human voice audio frequency  
A method for keying human voice audio frequency includes the steps of setting the human factor of the singer; recording the singing of the singer; calculating the audio frequency by an audio...
7612280 Intelligent audio selector  
A digital music player includes an audio file selector that selects a subsequent audio file to play from a collection of audio files based upon a desired relationship between an audio...
7612279 Methods and apparatus for structuring audio data  
An audio formatting process identifies a musical score of audio information operable to be rendered by a rendering application. The audio formatting process enumerates aspects of the score such...
7598447 Methods, systems and computer program products for detecting musical notes in an audio signal  
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain representations of the audio signal over...
7582824 Tempo detection apparatus, chord-name detection apparatus, and programs therefor  
There is provided a tempo detection apparatus capable of detecting, from the acoustic signal of a human performance of a musical piece having a fluctuating tempo, the average tempo of the entire...
7572969 Method for making electronic tones close to acoustic tones, recording system for the acoustic tones, tone generating system for the electronic tones  
A grand piano generates acoustic tones through vibrations of strings and sound board so that the acoustic tones are converted to analog audio signals at recording points over the sound board, and a...
7551161 Fluid user interface such as immersive multimediator or input/output device with one or more spray jets  
A fluid user interface is presented for applications such as immersive multimedia. In one embodiment, one or more sprays or jets create an immersive multimedia environment in which a participant...
7547838 Tuning device for musical instruments and computer program used therein  
A tuning device includes an analog-to-digital converter for converting sound waves propagated from a piano to an audio signal in synchronism with a sampling signal and a data processor for...
7541534 Methods and apparatus for rendering audio data  
An audio management application includes a recombiner and aggregation rules to manipulate and recombine segments of a musical piece such that the resulting finished composition includes parts...
7521622 Noise-resistant detection of harmonic segments of audio signals  
Respective pitch values are estimated for an audio signal. Candidate harmonic segments of the audio signal are identified from the estimated pitch values. Respective levels of harmonic content in...
7518053 Beat matching for portable audio  
Beat matching for two audio streams extracts beats from each, computes a conversion ratio from one stream to the other stream by an initial beat alignment plus a stability-maintaining beat...
7514622 Musical sound production apparatus and musical  
A control unit controls to access the beat guide file for timings of beats, cues, lyrics, and messages of musical sound data to be reproduced, and controls an image processing unit to display beat...
7498505 Storage medium storing breath blowing determining program, breath blowing determining apparatus, breath blowing determining method, storage medium storing game program, game apparatus, and game control method  
A game apparatus includes an operating switch and a microphone. A player operates a player object through intuition by the operating switch or inputting a sound. The number of zero crossings...
7493254 Pitch determination method and apparatus using spectral analysis  
A method and apparatus for detecting a pitch using frequency analysis are provided. An externally input digital signal is analyzed into frequency component values at predetermined time intervals,...
7488886 Music information retrieval using a 3D search algorithm  
A music information retrieval system and method that involve a query-by-humming (QbH) database system for processing queries in the form of analog audio sequences which encompass recorded parts of...
7485797 Chord-name detection apparatus and chord-name detection program  
When a first bar-division determination section determines that the bass note changes in a bar or when a second bar-division determination section determines that the degree of change in the chord...
7482529 Self-adjusting music scrolling system  
A self-adjusting music scrolling method comprises providing a display screen, selecting a music score to be played by a musician, wherein the music score is cataloged and stored in a music score...
7476796 Image controlling apparatus capable of controlling reproduction of image data in accordance with event  
In an image controlling apparatus, an image data input from an image reproducing device 14 to a motion picture recording unit 71 is stored in a RAM 72 by making the image data corresponding...
7470853 Musical composition processing device  
A scale information inputting section receives an input of scale information of a musical composition. Based on the scale information of the musical composition inputted to the scale information...
7470851 Electronic stringed instrument, system, and method with note height control  
An electronic stringed instrument is provided where the value of a pitch that has been currently detected and the value of a pitch that has been stored are compared. A determination is made as to...
7378588 Melody-based music search  
A music search engine is invented to find a desired song in the database by comparing the melodies. This invention comprises two major parts: a client-end and a server-end. The client-end converts...
7378587 Method for fast compressing and decompressing music data and system for executing the same  
MIDI compression and decompression methods that reduce the size of a standard MIDI file and maintains information to play the MIDI music. The exemplary method of the invention makes use of the high...
7353167 Translating a voice signal into an output representation of discrete tones  
A system and method for creating a ring tone for an electronic device takes as input a phrase sung in a human voice and transforms it into a control signal controlling, for example, a ringer on a...
7348482 Discriminator for differently modulated signals, method used therein, demodulator equipped therewith, method used therein, sound reproducing apparatus and method for reproducing original music data code  
A nibble stream containing MIDI music data words and synchronous nibbles and an external audio signal are selectively converted to an audio-frequency signal, which in turn is converted to a set of...
7345233 Apparatus and method for grouping temporal segments of a piece of music  
For grouping temporal segments of an audio piece, which is structured into main parts repeatedly occurring in the audio piece, into various segment classes, at first a similarity representation for...
7342168 Sound effecter, fundamental tone extraction method, and computer program  
The present invention provides a technique for shifting pitch to target pitch without detecting the original pitch directly, and for extracting the pitch of the audio waveform exactly. A phase...
7323631 Instrument performance learning apparatus using pitch and amplitude graph display  
In an instrument performance learning apparatus, a storage section stores model performance waveform data representing a time series of individual performance sounds of a model performance. An...
7321094 Electronic musical instrument  
An electronic musical instrument internally stores automatic performance data. The electronic musical instrument reads automatic performance data to perform an automatic performance, while...
7304231 Apparatus and method for designating various segment classes  
For the segment class designation the temporal position of segments in two candidate segment classes is used for the stanza/refrain selection by means of a segment class designation means, wherein...
7295977 Extracting classifying data in music from an audio bitstream  
The method of the present invention utilizes machine-learning techniques, particularly Support Vector Machines in combination with a neural network, to process a unique machine-learning enabled...
7282632 Apparatus and method for changing a segmentation of an audio piece  
For changing a segmentation of an audio piece after a segment class assignment, at first a short segment is selected, which has a length shorter than a predetermined minimum length. This short...
7259311 Mobile communication terminal with audio tuning function  
A mobile communication terminal provided with a tuning function, which saves a player the trouble of carrying around a tuning meter or the like and facilitates the tuning of instruments. A user...
7247782 Genetic music  
Genetic music generated by decoding and transcribing genetic information within a DNA sequence into a music signal having melody and harmony, and useful in the producion of novely consumer...
7230176 Method and apparatus to modify pitch estimation function in acoustic signal musical note pitch extraction  
In one aspect thereof this invention provides a method to estimate pitch in an acoustic signal. The method includes initializing a function ƒ t and a time t, where t=0, x′ 0 =ƒ 0 (F 0 ), x′...
7217878 Performance environments supporting interactions among performers and self-organizing processes  
A system for supporting performer interactions with a self-organizing chemical reaction based on monitoring and interpretation of a controllable self-organizing chemical reaction contained within a...
7214870 Method and device for generating an identifier for an audio signal, method and device for building an instrument database and method and device for determining the type of an instrument  
In a method for generating an identifier for an audio signal including a tone generated by an instrument, a discrete amplitude-time representation of the audio signal is generated at first, wherein...
7203558 Method for computing sense data and device for computing sense data  
A method and a device for computing sense data, which automatically compute data relating to feelings or senses generated by the human sensations by analyzing signals, such as audio signals,...
7199300 Information search apparatus, information search method, and information recording medium on which information search program is computer-readably recorded  
The song search apparatus for searching a song among songs including lyrics and performances, comprises: a song feature information database which stores song feature information indicating...
7179982 Musical composition reproduction method and device, and method for detecting a representative motif section in musical composition data  
The present invention provides a music playback system which uses an interface to easily play back a characteristic musical structure section with a music audio data playback apparatus. The...
7164076 System and method for synchronizing a live musical performance with a reference performance  
In a music video game, a player's performance is digitally sampled while the player performs a musical composition. The player's performance is compared with a reference performance of the musical...
7136434 Apparatus and method for detecting energy of tone signal  
An apparatus and a method for detecting the energy of a tone signal. A pre-process unit takes absolute values of transmitted samples and outputs the values to a delay unit for delaying the...
7102072 Apparatus and computer program for detecting and correcting tone pitches  
The tone pitch of a given tone waveform is detected by forming an envelope waveform of the given tone waveform, holding the level of the envelope waveform at each of the zero cross times of the...
7081581 Method and device for characterizing a signal and method and device for producing an indexed signal  
In a method for characterizing a signal, which represents an audio content, a measure for a tonality of the signal is determined, whereupon a statement is made about the audio content of the signal...
7065416 System and methods for providing automatic classification of media entities according to melodic movement properties  
In connection with a classification system for classifying media entities that merges perceptual classification techniques and digital signal processing classification techniques for improved...
7064262 Method for converting a music signal into a note-based description and for referencing a music signal in a data bank  
In a method for transferring a music signal into a note-based description, a frequency-time representation of the music signal is first generated, the frequency-time representation comprising...
7027983 System and method for generating an identification signal for electronic devices  
A system and method for creating a ring tone for an electronic device takes as input a phrase sung in a human voice and transforms it into a control signal controlling, for example, a ringer on a...
6967275 Song-matching system and method  
A song-matching system, which provides real-time, dynamic recognition of a song being sung and providing an audio accompaniment signal in synchronism therewith, includes a song database having a...
6965068 System and method for estimating tones in an input signal  
A system and method for analyzing an input signal comprising one or more sinusoidal tones. A processor of the system receives samples of an input signal and operates on the samples to generate a...
6945784 Generating a musical part from an electronic music file  
Generating a pitched musical part from an electronic music file comprised of instrumental parts includes generating a control stream that indicates which of the instrumental parts has a highest...
6930236 Apparatus for analyzing music using sounds of instruments  
An apparatus for analyzing music based on sound information of instruments is provided. The apparatus uses sound information of instruments or the sound information and score information in order...
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