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7010128 |
Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system
A method of processing and reproducing an input audio stereo signal in an audio signal processing system comprises the steps of (1) splitting a side signal into a first and a second intermediate...
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7006645 |
Audio reproduction apparatus
A first selector switch outputs a second audio signal of m channel corresponding to a selected second zone to a power amplifier of the m channel and a second selector switch couples output of the...
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7003120 |
Method of modifying harmonic content of a complex waveform
A method of manipulating a complex waveform by considering the harmonic and partial frequencies as moving targets over time in both amplitude and frequency and adjusting the moving targets by...
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6990382 |
Control system for digital sound effect and the method of the same
A control method for controlling the sound effect system, comprises implanting a control code into a sound effect data that is transmitted to a sub woofer speaker. Then, the sound effect data with...
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6985782 |
Audio control signal transmission apparatus and reception appartus, control system and control method using an audio control signal, program information transmission apparatus and transmission method, and program reservation apparatus and program reservation method
An audio control signal transmission apparatus and reception apparatus, an audio control signal based control system and control method, a program information transmission apparatus and...
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6961433 |
Stereophonic sound field reproducing apparatus
In the stereophonic sound field reproducing apparatus for reproducing a stereophonic sound field, at the time of using, a signal processing unit ( 4 ) executes a process on signals to...
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6961435 |
Infra bass
To improve the aural sensation from an input signal of an audio reproduction system a bandwidth extension device can be used. The bandwidth extension device includes a first and a second signal...
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6959096 |
Sound reproduction system
Arrangement of a sound reproduction system ( 1 ), including at least one input ( 2 ), a sound field generator ( 4 ), a loudspeaker panel ( 10 ); the at least one input ( 2 ) connected to the sound...
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6959094 |
Apparatus and methods for synthesis of internal combustion engine vehicle sounds
Computer-implemented techniques are provided for synthesizing sounds of an internal combustion engine vehicle using a physical model of the vehicle. In general terms, the method includes...
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RE38822 |
Circuit, audio system and method for processing signals, and a harmonics generator
A circuit, audio system and method are presented for processing an audio signal, in which a frequency band is selected, harmonics are generated from the selected signal by a harmonics generator,...
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6909787 |
Method and related apparatus for stereo vocal cancellation
Method and related apparatus for canceling vocal portions containing in two signals of two stereo channels and providing two corresponding output signals. The method includes: generating a mono...
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6904152 |
Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
Techniques of making a recording of or transmitting a sound field from either multiple monaural or directional sound signals that reproduce through multiple discrete loud speakers a sound field...
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6895290 |
Limiting the damaging effects of loud music from audio systems, particularly from automobile audio systems
Minimizing the damaging effects of loud music but with minimal reduction in aesthetic quality of the music. When music presented through an audio is sampled in order to determine average frequency,...
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6873837 |
Emergency reporting system and terminal apparatus therein
An emergency reporting apparatus for a vehicle includes a microphone, a loudspeaker, and a handsfree system circuit. Handsfree two-way speech communication with an emergency report receiving center...
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6865430 |
Method and apparatus for the distribution and enhancement of digital compressed audio
Disclosed are apparatus and methods of enhancing digital audio signals after compression and decompression. The methods and apparatus include receiving a digital decompressed audio signal,...
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6857960 |
Video game device, background sound output method in video game, and readable storage medium storing background sound output program
A video game device comprises: a monitor; a display unit for displaying an event place where a specific event is performed on the monitor; a sound output unit for outputting a background sound...
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6853869 |
Method and apparatus for generating surround-sound data
A surround-sound circuit has a delay time memory ( 31 ) for storing a digital audio input signal IN, and outputs the stored input signal as a surround-sound signal a predetermined time later. The...
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6845165 |
Acoustic effect apparatus and method and program recorded medium therefor
A high pass filter 32 having a cut-off frequency of 200 Hz and a cut-off response of +12 dB/OCT and a low pass filter 33 having a cut-off frequency of 400 Hz and a cut-off response steeper than...
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6840860 |
Printing and dispensing bonusing system for gaming devices
The present invention provides a printing and dispensing bonusing system for electronic gaming devices, particularly a casino gaming device, which includes at least one detection device which is...
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6829360 |
Method and apparatus for expanding band of audio signal
A low-pass filter of over-sampling type oversamples an input digital audio signal T 1 and filters and removes the low frequency components of the produced aliasing noise. A spectrum analyzer...
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6826282 |
Music spatialisation system and method
A storage unit stores data representative of one or several sound sources and a listener of said sound sources. These data comprise position data corresponding to respective positions of the sound...
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6816833 |
Audio signal processor with pitch and effect control
An audio processing apparatus is constructed for generating an auxiliary audio signal based on an original audio signal and mixing the auxiliary audio signal to the original audio signal. In the...
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6810125 |
Microphone emulation
An emulation circuit includes a digital signal processor with a digital filter controlled by frequency response conversion parameters for converting a standard microphone signal into a signal...
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6804358 |
Sound image localizing processor
A sound image localization processor comprises a first processing circuit 10 receiving a sound left signal and comprising a first delay unit 11 and a first sound image localization filter 12 ,...
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6804565 |
Data-driven software architecture for digital sound processing and equalization
A digital sound processing design system for a vehicle audio system includes a computer and a design tool that is run by the computer. The design tool allows a user to define sound processing...
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6804361 |
Sound signal playback machine and method thereof
In a sound signal playback machine and method thereof, predetermined high frequency components are extracted from sound signals S L to S C of a main channel by high frequency pass filters 21 to...
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6798886 |
Method of signal shredding
Methods for identifying the harmonic content of a single signal contained within a more complex signal and subsequently processing or separating signals contained within a complex mixture of...
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6795556 |
Method of modifying one or more original head related transfer functions
Original head-related transfer functions (HRTFs) are modified for a non-standard dimensioned head. The HRTF includes a near-ear response function, a far-ear response function, and an inter-aural...
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6795560 |
Digital mixer and digital mixing method
To mix signals of a plurality of input channels, first buses and second buses are provided. It is possible that, even when a user has selected a desired first surround mode and a desired effect to...
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6792120 |
Audio signal enhancement and amplification system
An audio system includes amplifying with distortion via a first amplifier electrical audio signals from a sound source, such as an electric guitar, for example, to obtain a desired tonal quality in...
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6792115 |
Apparatus for generating harmonics in an audio signal
An apparatus for generating harmonics in an audio signal with an adder stage, which can add signals from a first signal line and a second signal line, such that an audio signal with harmonics can...
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6792119 |
Audio system
An audio system includes a circuit ( 12 ) for processing an audio signal, the circuit ( 12 ) having an input ( 20 ) for receiving the audio signal and an output ( 26 ) for supplying an output...
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6788983 |
Audio trigger devices
An audio trigger device has a number of buttons that can be depressed to create different audio signals with 5 different features. The audio signals are used to remotely control a computer running...
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6785391 |
Apparatus and method for simultaneous estimation of transfer characteristics of multiple linear transmission paths
N correlated signals are processed by N pre-filters whose transfer characteristics have different zero points, then the processed signals are input into an N-input M-output linear FIR system, and...
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6782105 |
Reflection sound generator with series of main and supplementary FIR filters
A reflection sound generator has a first filter of Finite Impulse Response (FIR) type that is provided with a first set of parameters representing a first distribution pattern of reflection sounds,...
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6782104 |
Method and device intended for the picking up of sounds, for their recording and their play-back, and reproducing the natural sensation of a sound space
Method intended for the picking up of sounds coming from at least one sound source, for the recording of said sounds and their play-back, by means of a sound pick-up assembly, a recording medium...
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6763246 |
Portable cordless telephone having an improved ringing device
A portable apparatus including an acoustic signal generation device mainly comprises an input unit (IU) adapted to supply a digital input signal (in). The apparatus further comprises a delay line...
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6754352 |
Sound field production apparatus
A sound-field production apparatus includes a direct-sound-generating unit for generating a direct sound from a sound signal supplied to the direct-sound-generating unit and a...
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6754351 |
Music apparatus with dynamic change of effects
A music effector apparatus is constructed for processing a digital audio signal to produce a music sound while imparting acoustic effects to the music sound by executing microprograms corresponding...
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6751322 |
Acoustic modeling system and method using pre-computed data structures for beam tracing and path generation
A system and method for acoustic modeling partitions an input 3D spatial model into convex cells, and constructs a cell adjacency data structure representing the neighbor relationships between...
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6741711 |
Method of synthesizing an approximate impulse response function
A method of synthesizing an approximate impulse response function from a measured first impulse response function in a given sound field includes: sampling an early part of the impulse response for...
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6738479 |
Method of audio signal processing for a loudspeaker located close to an ear
A method of audio signal processing for a loudspeaker located close to an ear in use, the method consisting of or including:- creating one or more derived signals from an original monophonic input...
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6728382 |
Functional panel for audio mixer
A control device for an audio processor has a plurality of sets of function select controls and a function control section on its control device. Each set of the plurality of sets of function...
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6724897 |
Amplifier with alternate output level
A guitar amplifier having an input terminal, an audio output and an audio level controller connected between the input terminal and the audio output. The audio level controller includes a first...
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6725150 |
Turbo-charged vehicle engine sound simulator
A turbo-charged vehicle engine sound simulator ( 10 ) that is designed to function in combination with a vehicle having a coil ( 92 ), a tachometer ( 94 ), an alternator ( 96 ), an engine manifold...
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6718217 |
Digital audio tone evaluating system
Disclosed herein is a digital audio tone evaluating system comprising an analyzer for subjecting a digital signal related to voice and/or music to signal processing, thereby operating a factor...
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6704421 |
Automatic multichannel equalization control system for a multimedia computer
In one embodiment, an automatic multichannel equalization control system uses programmable multichannel templates containing equalization control values for a programmable multichannel audio...
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6700980 |
Method and device for synthesizing a virtual sound source
The invention relates to a method for synthesizing a virtual sound source in a system ( 40 ) which comprises at least a right and a left channel for transmitting a stereo signal and in which the...
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6671643 |
Method for testing a hearing aid, and hearing aid operable according to the method
In order to test a hearing aid having at least one microphone, one signal processing unit and one sound transducer, a sound channel is produced between the microphone and the sound transducer. The...
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6668204 |
Biaural (2channel listening device that is equalized in-stu to compensate for differences between left and right earphone transducers and the ears themselves
Described is a device and method using an interactive process to improve the listening experience for a user of headphones or hearing aids. The system uses a sound source such as a PC or similar...
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