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8816180 Systems and methods for portable audio synthesis  
A method of performing audio synthesis is disclosed. An audio event is input to an audio algorithm along with associated parameters including source sample data. An interpolation function is...
8653354 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...
8473286 Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure  
A noise feedback coding (NFC) system and method that utilizes a simple and relatively inexpensive general structural configuration, but achieves improved flexibility with respect to controlling...
8204257 System and method for increasing ring tone volume  
A method for increasing ring tone volume is provided. The method includes steps of: reading an audio file which is set as a current ring tone; determining whether the ring tone is a MP3 audio file...
8178772 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...
8170879 Periodic signal enhancement system  
A signal enhancement system improves the understandability of speech or other audio signals. The system reinforces selected parts of the signal, may attenuate selected parts of the signal, and may...
8067684 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...
8030565 Signal processing for twang and resonance  
This invention provides a signal processing and signal synthesis technique from a family of signal processing and signal synthesis techniques designed to readily interwork or be used individually...
7999170 Acoustic drum set amplifier device specifically calibrated for each instrument within a drum set  
An acoustic drum set amplifier specifically calibrated for each instrument within a drum set, specifically a snare drum, a bass drum, a bongo drum, tom-tom drum, a hi-hat, ride cymbal and crash...
7960640 Derivation of control signals from real-time overtone measurements  
A system for control signal generation using detected dynamic characteristics of components of an incoming electronic signal. Fixed or adjustable bandpass filters are coupled to signal parameter...
7777119 Electromagnetic musical instruments  
Electromagnetic (EM) musical instrument systems and methods for configuring and using the instrument are provided. The EM musical instrument could include an EM resonant body to receive an...
7777118 Electromagnetic musical instrument systems and related methods  
An electromagnetic (EM) musical instrument system includes an excitation signal generator to generate an excitation signal. The system also includes an excitation signal applier coupled to the...
7777120 Electromagnetic musical instrument frequency conversion systems and related methods  
A method for generating electromagnetic (EM) music through excitation of an EM Musical Instrument is provided. An input queue, comprised of three sub-queues, receives three input audio queues. An...
7767899 Electronic musical instrument  
An electronic music instrument includes a musical-tone control that generates operation information of keys and a damper pedal to serve as musical-tone control information; a musical-tone...
7750229 Sound synthesis by combining a slowly varying underlying spectrum, pitch and loudness with quicker varying spectral, pitch and loudness fluctuations  
The present synthesizer generates an underlying spectrum, pitch and loudness for a sound to be synthesized, and then combines the underlying spectrum, pitch and loudness with stored Spectral,...
7642445 Music sound generator  
A music sound generator imitates released key string vibration sounds (RKSV) and cabinet resonances of an acoustic piano. When a key is pressed, waveform is readout from a normal music sound...
7622665 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...
7613612 Voice synthesizer of multi sounds  
In a voice synthesizer, an envelope acquisition portion obtains a spectral envelope of a reference frequency spectrum of a given voice. A spectrum acquisition portion obtains a collective...
7534953 Method for simulation and digital synthesis of an oscillating phenomenon  
A method for digital simulation of a non-linear interaction between an excitation source and a wave in a resonator, and is particularly applicable, to real-time synthesis of digital signals...
7482530 Signal processing apparatus and method, recording medium and program  
A signal processing apparatus and method is disclosed by which signal components of different musical intervals of an audio signal can be obtained with a small amount of arithmetic operation. A...
7092463 Method and apparatus for interference rejection  
The invention relates to an apparatus, and an associated method, in a communication system that is tolerant to interference. The received signal is divided into a real and an imaginary part, and...
7062337 Artificial ambiance processing system  
An apparatus and method simulates more accurately the natural statistics of a physical reverberation process. A new filter design is provided having a comb shaped group delay. Gain minimums at a...
6972364 User interface and a synthesizer with a user interface  
A synthesiser to generate sounds often in a musical environment but also in a speech environment. Such synthesis of sounds is often accompanied by at least one mode of filtering or many modes....
6881892 Method of configurating acoustic correction filter for stringed instrument  
A method is provided for designing an acoustic correction filter applicable to a stringed instrument, which is composed of a string member operable to undergo a vibration, a support member for...
6849795 Controllable frequency-reducing cross-product chain  
This invention provides a signal processing and signal synthesis technique from a family of signal processing and signal synthesis techniques designed to readily interwork or be used individually...
6548749 Electronic musical instrument and tone volume control method  
Multipliers respectively multiply a tone signal supplied from a sound source and a tone signal corrected by a filter according to hearing correction characteristics by balance control coefficients...
6525255 Sound signal analyzing device  
An average is calculated of every predetermined number of sample amplitude values of a sound signal from an external sound source, and the respective averages are output as a time-series of...
RE38003 Filtering apparatus for an electronic musical instrument  
A filtering apparatus for an electronic musical instrument includes at least a digital filter. The digital filter has a frequency characteristic determined by a filtering parameter and performs a...
6448488 Measurement and processing of stringed acoustic instrument signals  
A system and a method of measuring, decomposing, processing and uniquely recombining forces and vibrations acting on stringed musical instruments (SMI). The system utilizes a digital signal...
6410838 Musical sound signal synthesizer and method for synthesizing musical sound signals using nonlinear transformer  
A musical sound signal synthesizer with a simple construction for synthesizing complex musical sound waveform signals including many harmonics in a peculiar form. A phase information generator 11...
6350943 Electric instrument amplifier  
An electric instrument amplifier emulates an audio characteristics of a traditional vacuum-tube type amplifier. The electric instrument amplifier is formed in a single housing for amplifying an...
RE37422 Electronic musical instrument  
An electronic musical instrument, which is configured to simulate one or more instruments, provides a sound source, a display unit and a control portion. Herein, under control of the control...
6300553 Pitch shifter  
A pitch shifter capable of shifting an acoustic signal in pitch to an arbitrary level with a high degree of accuracy without any change in reproduction time, and also sufficiently reducing...
6284965 Physical model musical tone synthesis system employing truncated recursive filters  
A tone synthesis system employs digital filtering methods to enable the practical usage of unstable filter elements in a real-time synthesis model. Truncated infinite impulse response (TIIR)...
6259014 Additive musical signal analysis and synthesis based on global waveform fitting  
This application describes a method for musical signal analysis and synthesis using global waveform fitting (GWF). GWF uses a sinusoidal model with quadratic phase. GWF tries to fit the entire...
6218604 Tone generator with diversification of waveform using variable addressing  
A music apparatus has a set of controls manually operable to input a performance event, a waveform memory storing an original waveform sample composed of a series of digital values sequentially...
6175073 Tone synthesizing device and method based on physical model tone generator  
Physical model tone generator, which includes a loop section with a signal delay element, generates a driving signal by modifying a loop output signal from the loop in accordance with a...
6111183 Audio signal synthesis system based on probabilistic estimation of time-varying spectra  
The present invention describes methods and means for estimating the time-varying spectrum of an audio signal based on a conditional probability density function (PDF) of spectral coding vectors...
6111181 Synthesis of percussion musical instrument sounds  
A synthesis of percussion musical instruments sounds is provided using a microprocessor (17) that implements an all pole lattice filter and applying either a single impulse signal to the filter or...
6101469 Formant shift-compensated sound synthesizer and method of operation thereof  
For use in a synthesizer having a wave source that produces a periodic wave, frequency shifting circuitry for frequency-shifting the periodic wave and waveshaping circuitry for transforming the...
6040516 Tone generation system using computer software and storage medium storing the computer software  
There are provided a tone generator system using computer software and a storage medium storing the computer software. A musical tone synthesis module generates a musical tone signal by generating...
5998726 Musical sound generating system with controlled tone  
A musical sound generating system which generates musical sounds having desired tone regardless of the variation of volume setting. In the musical sound generating system, the standard tone...
5945621 Musical tone control apparatus with envelope processing  
In a musical tone control apparatus, musical tones to be generated are controlled according to musical tone control parameters which include an envelope that has been extracted and processed. The...
5911170 Synthesis of acoustic waveforms based on parametric modeling  
A method is disclosed for synthesizing acoustic waveforms, especially musical instrument sounds. The acoustic waveforms are characterized by time-varying amplitudes, frequencies and phases of...
5900570 Method and apparatus for synthesizing musical sounds by frequency modulation using a filter  
This invention provides a circuit for synthesizing musical sounds. In one embodiment, the circuit includes a first order FIR highpass filter that is placed between a modulation phase increment...
5886276 System and method for multiresolution scalable audio signal encoding  
An audio signal analyzer and encoder is based on a model that considers audio signals to be composed of deterministic or sinusoidal components, transient components representing the onset of notes...
5814750 Method for varying the pitch of a musical tone produced through playback of a stored waveform  
A method for resampling includes convolving a given set of samples with the impulse response function of a low-pass filter. In this method, values of the impulse response required for the...
5787023 Digital filter device for electronic musical instruments  
A digital filter device, for an electronic musical instrument, comprises: filter coefficient generation means for generating a set of filter coefficients in consonance with a designated resonance...
5777255 Efficient synthesis of musical tones having nonlinear excitations  
An efficient digital waveguide synthesizer is disclosed for simulating the tones produced by a non-linearly excited vibrational element coupled to a resonator, such as in a piano. In a preferred...
5748513 Method for inharmonic tone generation using a coupled mode digital filter  
A coupled mode digital filter which simulates any number of arbitrarily tuned modes coupled together so as to share the same loss element at a junction loaded by an arbitrary impedance function is...

Matches 1 - 50 out of 153 1 2 3 4 >