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| Number | Title | Issue Date |
| 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 correlation and repetitions between a look-ahead MIDI event and prev... | 05/27/2008 |
| 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 cellular telephone. Time-varying features of the input signal are anal... | 04/01/2008 |
| 7350155 | Resizing internet document for display on television screen Methods and systems for scaling down a Web page image enables the image to be displayed on a standard television without horizontal scrolling of the image. A Web page image that initially has a horizontal dimension larger than the horizontal dimension of a televisio... | 03/25/2008 |
| 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 PCM codes for storing it in a compact disc; and the audio frequency s... | 03/25/2008 |
| 7346500 | Method of translating a voice signal to a series 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 cellular telephone. Time-varying features of the input signal are anal... | 03/18/2008 |
| 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 incrementing melody tone pitch data contained in the automatic performance da... | 01/22/2008 |
| 7309827 | Electronic musical instrument An electronic musical instrument provides a player with an assisted performance to offer him/her the pleasure of performing on a musical instrument, and to help him/her in practicing the electronic musical instrument on which a tone pitch of a musical tone to be gen... | 12/18/2007 |
| 7286981 | 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 cellular telephone. Time-varying features of the input signal are anal... | 10/23/2007 |
| 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 ƒt and a time t, where t=0, x′0=ƒ0(F0), x′0 is a pitch estimate a... | 06/12/2007 |
| 7220912 | Digital guitar system A digital guitar system and method includes a digital guitar and a digital guitar interface device, and a method of converting a conventional guitar into a digital guitar. The guitar is adapted to generate analog audio signals, convert those signals into digital sig... | 05/22/2007 |
| 7115810 | Programmable/semi-programmable pickup and transducer switching system A programmable/semi-programmable pickup and transducer switching system includes a control, a plurality of switches communicatively interconnected to the control, an encoder communicatively interconnected to the control, a memory/buffer/drive with switching element ... | 10/03/2006 |
| 7112738 | Electronic musical instrument An electronic musical instrument which can realize a choking effect by a simple operation. The electronic musical instrument is constructed such that a neck provided with a fingerboard is fixed to a body. A plurality of (twelve) fret operating elements are provided ... | 09/26/2006 |
| 7096186 | Device and method for analyzing and representing sound signals in the musical notation Sound signal is received which contains sound characteristics to be represented in musical notation. The characteristics, such as a volume level of the sound signal, are extracted out of the received sound signal, and various parameters for use in subsequent analysi... | 08/22/2006 |
| 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 classification of media entities, a system and methods are provided for au... | 06/20/2006 |
| 7049503 | Hybrid wind instrument selectively producing acoustic tones and electric tones and electronic system used therein A hybrid saxophone is a combination of an acoustic saxophone and an electronic system, and the electronic system includes key sensors for monitoring the keys and a tonguing sensor for detecting the position of the tongue together with a breath sensor and a lip senso... | 05/23/2006 |
| 7012186 | 2-phase pitch detection method and apparatus A pitch detection method and appartus are provided. The pitch detection method includes anlyzing an externally input digital signal into frequency components and detecting a pitch candidate based on the frequency components; comparing an error range for the pitch ca... | 03/14/2006 |
| 6995311 | Automatic pitch processing for electric stringed instruments An invention using a data processing system, herein called the Pitch Processing System, comprising a Pitch Processing Module, a User Control Module, a transducer, software, and signal processing techniques integrated into an electric stringed musical instrument. The... | 02/07/2006 |
| 6995310 | Method and apparatus for sensing and displaying tablature associated with a stringed musical instrument A system and method of enhancing guitar instruction based on Tablature Plus encoding of playing techniques within a MIDI file or other data structure, that may be rendered on an associated player application that provides multimedia output of the piece being played ... | 02/07/2006 |
| 6995307 | Self-playing musical device Apparatus and methods for a self-playing musical device configured to present a realistic music service as part of a musical wind instrument. The device may be fitted inside the sound pipe of a musical instrument to play music. If desired, the device is shaped and c... | 02/07/2006 |
| 6982377 | Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing A time scale modification method employs separate bands obtained through an analysis polyphase filter bank with separate time-scale modification processing for the bands. The outputs are combined using a synthesis filter bank. Some constraints are imposed on the tim... | 01/03/2006 |
| 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 value for a period of time, selecting one of the instrumental parts for ... | 09/20/2005 |
| 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 to analyze digital sounds. The sound information of instruments perfor... | 08/16/2005 |
| 6881890 | Musical tone generating apparatus and method for generating musical tone on the basis of detection of pitch of input vibration signal A vibration signal (e.g. a human voice) is generated at a desired pitch corresponding to a tone pitch of a musical tone desired to be generated, and is input via a microphone. The pitch of the input vibration signal and an amplitude (volume) level thereof are detect... | 04/19/2005 |
| 6864413 | Ensemble system, method used therein and information storage medium for storing computer program representative of the method An ensemble system reproduces a performance on an automatic player piano expressed by a set of MIDI music data codes in ensemble with another performance recorded in a compact disc in the form of audio data codes; the ensemble system firstly determines the pitch of ... | 03/08/2005 |
| 6747201 | Method and system for extracting melodic patterns in a musical piece and computer-readable storage medium having a program for executing the method A method and system for extracting melodic patterns by first recognizing musical “keywords” or themes. The invention searches for all instances of melodic (intervallic) repetition in a piece (patterns). This process generally uncovers a large number of patterns,... | 06/08/2004 |
| 6541691 | Generation of a note-based code A method for generating accompaniment to a musical presentation, the method comprising steps of providing a note-based code representing musical information corresponding to the musical presentation, generating a code sequence corresponding to new melody ... | 04/01/2003 |
| 6140568 | System and method for automatically detecting a set of fundamental frequencies simultaneously present in an audio signal A system and method for automatically detecting and identifying a plurality of frequencies simultaneously present in an audio signal, as well as the duration, amplitude, and phase of those frequencies, then filtering out harmonic components to determine w... | 10/31/2000 |
| 6124544 | Electronic music system for detecting pitch A method for detecting the pitch of a musical signal comprising the steps of receiving the musical signal, identifying an active portion of the musical signal, identifying a periodic portion of the active portion of the musical signal, and determining a f... | 09/26/2000 |
| 6002080 | Electronic wind instrument capable of diversified performance expression There are provided a plurality of keys for designating a pitch and a plurality of sensors for detecting operating states of the keys. Main pitch determination section identifies respective ON/OFF states of the keys on the basis of output values from the s... | 12/14/1999 |
| 5998725 | Musical sound synthesizer and storage medium therefor A musical sound synthesizer generates a predetermined singing sound based on performance data. A compression device determines whether each of a plurality of phonemes forming the predetermined singing sound is a first phoneme to be sounded in accordance w... | 12/07/1999 |
| 5942709 | Audio processor detecting pitch and envelope of acoustic signal adaptively to frequency An audio apparatus extracts information of a musical performance from an acoustic signal having a frequency and an amplitude, which time-vary during the musical performance. In the audio apparatus, a filtering device has a plurality of filters which are s... | 08/24/1999 |
| 5929360 | Method and apparatus of pitch recognition for stringed instruments and storage medium having recorded on it a program of pitch recognition There is provided a method of determining the pitch in string instruments that are excited by plucking or striking, wherein a vibration of a string is converted by a transducer into an electrical signal and the electrical signal is evaluated. Up to now, t... | 07/27/1999 |
| 5824937 | Signal analysis device having at least one stretched string and one pickup A signal analysis device for determining the pitch of a plucked string in which propagation times of plucking transients are evaluated to determine pitch. A neural network may be employed to perform evaluation based upon groups of pulses.... | 10/20/1998 |
| 5780759 | Method for pitch recognition, in particular for musical instruments which are excited by plucking or striking A method is specified for pitch recognition, in particular for musical instruments which are excited by plucking or striking, in the case of which method the interval between zero crossings of a signal waveform of an audio signal is used as a measure for ... | 07/14/1998 |
| 5756918 | Musical information analyzing apparatus An musical information analyzing apparatus operates in a data-processing manner and segments a melody of a given music into phrases so that each phrase should be recognized by the human ear as a note string to be demarcated in grasping musical sensation, ... | 05/26/1998 |
| 5684262 | Pitch-modified microphone and audio reproducing apparatus An apparatus for playing back a recording medium on which a plurality of accompaniment signals and identification information indicative of respective genres of the accompaniment signals are recorded includes a playback device, at least one tone converter... | 11/04/1997 |
| 5647005 | Pitch and rate modifications of audio signals utilizing differential mean absolute error A method is disclosed of modification of parameters of audio signals by dividing a digital signal converted from an original analog signal into sound frames, modifying a pitch and a playing rate of the digital signal within a frame and subsequent successi... | 07/08/1997 |
| 5619004 | Method and device for determining the primary pitch of a music signal A method and device for very quickly and accurately determining the fundamental frequency of an input analog electrical signal. The method first uses sparse range autocorrelation to determine the note which is closest to the fundamental frequency. It then... | 04/08/1997 |
| 5477003 | Karaoke sound processor for automatically adjusting the pitch of the accompaniment signal A karaoke sound processor that automatically adjusts to the pitch of the singer's voice is provided. The pitch of the song signal recorded in the accompaniment recording medium for karaoke is detected by a first pitch detecting facility. The pitch of the ... | 12/19/1995 |
| 5471009 | Sound constituting apparatus A sound constituting apparatus translates a sensor output, as detected by an input detection unit, such as state changes, into electrical signals. A data extracting unit makes use of these electrical signals as an information concerning an external enviro... | 11/28/1995 |
