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8009836 Audio frequency response processing system  
The invention provides a method and system for forming an output impulse response function. The method includes the steps of creating an initial impulse response, and dividing the impulse response...
8005234 Method for synthesizing impulse response and method for creating reverberation  
An impulse response synthesis method is carried out by a dispersion calculation process for calculating a dispersion of phase characteristics in association with a given room based on a volume of...
7970147 Video game controller with noise canceling logic  
A method for reducing noise disturbance associated with an audio signal received through a microphone is provided. The method initiates with magnifying a noise disturbance of the audio signal...
7947891 Resonance tone generating apparatus and electronic musical instrument  
A product-sum operation circuit has delay circuits of the first to the (n−1)th stage for delaying musical tone data, multiplying circuits 60-6(n−1) for multiplying the musical signal data or the...
7949141 Processing audio signals with head related transfer function filters and a reverberator  
A method, an apparatus, and a software product to process a plurality of input audio signals. The apparatus accepts a plurality of input signals and includes a multi-input, multi-output...
7881479 Audio processing method and sound field reproducing system  
An audio signal processing method comprises the steps of emitting a sound at a virtual sound image location in space on the outer side of a closed surface, generating measurement-based directional...
7876909 Efficient filter for artificial ambience  
A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces...
7860590 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...
7860256 Artificial-reverberation generating device  
An artificial-reverberation generating device comprises in one embodiment a convolution engine in association with an impulse-response synthesizer. The impulse-response synthesizer preferably...
7856353 Method for processing speech signal data with reverberation filtering  
Method for processing speech signal data. A speech signal is divided into frames. Each frame is characterized by a frame number T representing a unique interval of time. Each speech signal is...
7853023 Method and apparatus to reproduce expanded sound using mono speaker  
A method and apparatus to reproduce sound using a mono speaker, and a stereo sound system employing the same. The sound reproducing method can include: adding a first channel signal and a second...
7835535 Virtualizer with cross-talk cancellation and reverb  
Audio loudspeaker and headphone virtualizers and cross-talk cancellers and methods use separate virtual speaker locations for different Bark frequency bands and a single reverberation filter for...
7751913 Method and system for reducing power consumption of a sound processor  
The present invention provides a method and system for reducing power consumption of a sound processor. Aspects of the invention include providing a sound processor access to at least one register...
7751574 Reverberation apparatus controllable by positional information of sound source  
In a reverberation apparatus, a storage section stores a directional characteristic representing a directivity of generated sound at a sound generating point. A position determining section...
7706555 Stereophonic device for headphones and audio signal processing program  
A stereophonic device for headphones to which a monophonic signal or a stereophonic signal is inputted comprises an uncorrelating processing unit for reducing the correlation between two signals...
7702116 Microphone bleed simulator  
The invention is a microphone bleed simulator which processes the audio signals recorded with one spot microphone and one room mic (or one spot mic alone) and simulates the sound that would be...
7643640 System and method for designing sound systems  
The invention is directed to a display and method for conducting sound system design. The display is configured to simultaneously show a sound system model comprising both audio components and...
7613305 Method for treating an electric sound signal  
A method for generating a sound giving a sensation of depth by applying, after extraction, a transfer function quadrille onto electric sound signals on the left and right thereof. The transfer...
7606375 Method and system for automatically generating world environmental reverberation from game geometry  
Reverberation parameters for one or more positions of interest are derived from graphics data used for displaying a computer-generated environment. For each position of interest for which...
7599501 Single bit per-voice dry/wet reverb control  
A dry/wet bit for controlling dry and wet components of an output sound during processing of an input sound is provided. The bit is configurable by a program to indicate when to reverse the dry...
7583805 Late reverberation-based synthesis of auditory scenes  
A scheme for stereo and multi-channel synthesis of inter-channel correlation (ICC) (normalized cross-correlation) cues for parametric stereo and multi-channel coding. The scheme synthesizes ICC...
7580530 Audio characteristic correction system  
An audio characteristic correction system adapted to an audio surround system in which a sound emitted from a directional speaker (an array speaker) is reflected on a wall surface or a sound...
7567675 System and method for automatic multiple listener room acoustic correction with low filter orders  
A system and a method for correcting, simultaneously at multiple-listener positions, distortions introduced by the acoustical characteristics includes warping room responses, intelligently...
7561699 Environmental reverberation processor  
A method and apparatus for processing sound sources to simulate environmental effects includes source channel blocks for each source and single reverberation block. The source channel blocks...
7522735 Electronic circuit with spring reverberation effect and improved output controllability  
An electronic circuit for adding the effects of reverberation to a high impedance signal produced from an external audio source such as a guitar pickup or a high impedance microphone. The...
7522734 Distributed acoustic reverberation for audio collaboration  
A distributed acoustic reverberator including a network audio connection between at least two separated locations is provided. When a sound is emitted at one of the locations, the reverberator...
7474753 Sound field control apparatus, signal processing apparatus, sound field control program, and signal processing program  
A sound field control apparatus which is capable of adjusting the number of outputs as required. The sound field control apparatus is comprised of a master device, and a plurality of salve devices...
7463740 Sound data processing apparatus for simulating acoustic space  
A data processing apparatus is designed for simulating an acoustic characteristic of an acoustic space which contains a sound source for generating a sound and a sound receiving point for...
7403625 Signal processing unit  
The invention relates to a signal processing unit including an input for receiving an audio signal, and an early pattern generator connected to the input, for defining a predefined early pattern...
7400734 Method and apparatus for emulating audio effect  
The present invention provides an apparatus and a method for emulating audio. The apparatus comprises an echo device, a reverberation device, an audio source device and a first signal synthesizer....
7388959 Harmonic generator and pre-amp  
A Harmonic Generator for audio applications and a Pre-Amplifier circuit are combined to form a Harmonic Generator and Pre-Amplifier circuit. The Harmonic Generator is formed from a Buffer Circuit...
7369663 Method of creating reverberation by estimation of impulse response  
The present invention is directed to creating sound reverberation. In accordance with a preferred embodiment, an apparatus estimates an impulse response for use in reproduction of a sound in a...
7339503 Adaptive asynchronous sample rate conversion  
A system including a buffer, a feedback loop configured to generate a fractional delay from a ratio of a first number of samples written into the buffer to a second number of samples read from the...
7257230 Impulse response collecting method, sound effect adding apparatus, and recording medium  
A TSP signal that is a measurement signal is generated N times by a signal generating portion. The generated TSP signals are supplied to a steel-echo apparatus. Reverberation generated by the...
7233673 In-line early reflection enhancement system for enhancing acoustics  
An in-line early enhancement generation system comprises one or more microphones positioned close to one or more sound sources so as to detect predominantly direct sound, an early reflection...
7217879 Reverberation sound generating apparatus  
A reverberation apparatus is designed for generating a reverberation sound from an input sound with use of an impulse response based on an instruction. In the reverberation apparatus, a first...
7149314 Reverberation processor based on absorbent all-pass filters  
A reverberation processor includes a chain of absorbent all-pass filters and an absorbent delay line. The decay time can be precisely controlled by controlling the magnitude of the attenuation in...
7146296 Acoustic modeling apparatus and method using accelerated beam tracing techniques  
An acoustic modeling system and an acoustic modeling method use beam tracing techniques that accelerate computation of significant acoustic reverberation paths in a distributed virtual...
7099480 System for generating sounds  
The invention relates to a system for generating sounds with a left front loudspeaker which converts an electric signal of a left audio channel and with a right front loudspeaker which converts an...
7076071 Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings  
A process for enhancing ambience in an audio signal output that is derived from an audio signal input in a dual channel audio ambience extraction circuit. The process includes cross-coupling of...
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...
7054455 Audio system  
An audio system includes a circuit (12) for processing an audio signal, which circuit (12) having an input (20) for receiving the audio signal and an output (26) for supplying an output signal....
7010370 System and method for adjusting delay of an audio signal  
A method for adjusting a time delay between a first audio signal and a second audio signal is disclosed. The method includes generating the first audio signal from a buffer as a first data stream...
6996240 Loudspeaker unit adapted to environment  
A loudspeaker unit which requires no particular procedure for correction of the acoustic characteristic even if the installation environment of the loudspeaker unit changes, and which can correct,...
6978027 Reverberation processor for interactive audio applications  
An improved reverberation processor includes a technique for changing environmental parameters without causing disturbing audio artifacts. The technique includes the steps of sequentially changing...
6970569 Audio processing apparatus and audio reproducing method  
An audio processing apparatus that includes a first filter for converting n-channel (n≧1, positive integer) audio signals input from at least one signal source into two-channel signals, a pair of...
6901149 Audio mixer  
An in-plane position sensor detects positions along two directions or X-Y directions to produce a pair of position signals concurrently. The pair of position signals controls control parameters...
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...
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...
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...

Matches 101 - 150 out of 417 < 1 2 3 4 5 6 7 8 9 >