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8165309 |
System and method for simulation of non-linear audio equipment
The invention describes an apparatus for software or hardware emulation of electronic audio equipment, which characterizes a non-linear behavior. The invention comprises an analog to digital...
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8160261 |
Audio monitoring system
An earphone monitoring system is disclosed that provides for user information and control regarding ambient and monitored sound levels.
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8160274 |
System and method for digital signal processing
The present invention provides for methods and systems for digitally processing an audio signal. Specifically, the present invention provides for a headliner speaker system that is configured to...
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8160889 |
System for providing an acoustic signal with extended bandwidth
A bandwidth extension system extends the bandwidth of an acoustic signal. By shifting a portion of the signal by a frequency value, the system generates an upper bandwidth extension signal. An...
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8160260 |
Circuit and program for processing multichannel audio signals and apparatus for reproducing same
A circuit for processing multichannel audio signals, comprises a frequency characteristics correction device and an output device. The frequency characteristics correction device corrects frequency...
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8155593 |
Method for allocating a frequency for a wireless audio communication
A method is provided for allocating a frequency for wireless audio communications. A request is received for a frequency for wireless audio communications. The request contains the location, the...
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8150067 |
Bass enhancing method, signal processing device, and audio reproducing system
If the absolute value of the current sample is greater than or equal to an envelope value at the immediately preceding sample, an envelope value at the current sample is made greater than the...
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8150070 |
Sound signal equalizer for adjusting gain at different frequency bands
A bass and treble audio tone control circuit configured as an integrated circuit, wherein a capacitor for setting a frequency band can be accommodated in an integrated circuit. A LPF extracts a low...
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8150066 |
Sound signal processing device, sound signal processing method, sound signal processing program, storage medium, and display device
A sound signal processing device causes an amplifier to amplify a low frequency signal and synthesizes the amplified low frequency signal with a middle or high frequency signal so as to output the...
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8150065 |
System and method for processing an audio signal
Systems and methods for audio signal processing are provided. In exemplary embodiments, a filter cascade of complex-valued filters are used to decompose an input audio signal into a plurality of...
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8150050 |
Bass enhancing apparatus and method
A bass enhancing apparatus and method for enhancing bass include generating harmonics of the bass when an input signal is reproduced using a miniaturized speaker. The bass enhancing method includes...
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8150056 |
Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio signal transmission method, and program
There is provided an audio signal transmitting apparatus which can communicate with a plurality of external connection apparatuses and transmits audio signals to the external connection...
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8144881 |
Audio gain control using specific-loudness-based auditory event detection
In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events and/or the degree of change in signal characteristics associated...
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8144861 |
Communication circuitry, devices and methods
A method of signal communication includes receiving a selection signal, and selecting a selected frequency range used for a multi-carrier signal communication from a set of predetermined frequency...
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8135433 |
Reduction in interference between components
An apparatus is disclosed comprising a transducer, which transducer comprises at least one electrical connection point configured to enable an external electrical connection of the transducer. The...
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8130980 |
Automatic gain control circuit for volume control and corresponding method for volume control
There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless connection. The circuit includes an...
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8126163 |
Volume and tone control in direct digital speakers
A system that includes a direct digital speaker volume control device configured to be coupled to a direct digital speaker. The direct digital speaker includes many pressure producing elements...
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8121297 |
Signal processing device and sound image orientation apparatus
A signal processing device includes a filter that is set to frequency characteristics in which a dip existing in an intermediate and high frequency range is smoothed in the frequency...
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8121302 |
Method of correction of acoustic parameters of electro-acoustic transducers and device for its realization
A device and method for improving the performance of an electro-acoustic transducer. An acoustic test signal is generated through the electro-acoustic transducer. The acoustic test signal is...
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8116465 |
Measuring apparatus and method, and recording medium
A sound measuring apparatus includes an impulse response obtaining section obtaining an impulse response, a positive transform section performing a positive transform on the impulse response...
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8103010 |
Acoustic signal processing apparatus and acoustic signal processing method
An apparatus for performing processing of an input acoustic signal to be reproduced by a loudspeaker, which generates a harmonic of a low pitch sound component equal to or lower than a...
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8103020 |
Enhancing audio signals by nonlinear spectral operations
A system and method are disclosed for enhancing audio signals by nonlinear spectral operations. Successive portions of the audio signal are processed using a subband filter bank. A nonlinear...
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8098835 |
Method and apparatus to enhance low frequency component of audio signal by calculating fundamental frequency of audio signal
A method and apparatus to enhance a low frequency component of an audio signal, by computing a fundamental frequency of an input audio signal using the input audio signal and a delayed audio signal...
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8094837 |
Processing an audio input signal to produce a processed audio output signal
An audio input signal is processed to produce a processed audio output signal. An audio input signal is received as an original signal. The audio input signal is dynamically filtered to produce a...
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8084679 |
Electronic signal processor
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is characterized by a frequency response curve...
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8081767 |
Method for adjusting frequency response curve of speaker
A method for adjusting frequency response curve of a speaker comprises these steps: testing sensitivity of the speaker in at least two types of hardware conditions and recording corresponding...
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8077881 |
Sound device
A sound device is provided with an input terminal for electronic signal input; a low pass filter adapted to filter electronic signals input to the input terminal and to output low frequency range...
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8077880 |
Combined multirate-based and fir-based filtering technique for room acoustic equalization
A combined multirate-based Finite Impulse Response (FIR) filter equalization technique combines a low-order FIR equalization filter operating at a lower rate for equalization of a loudspeaker-room...
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8077876 |
Delivery system, transmission apparatus, and delivery method
A delivery system is disclosed, which has a transmission apparatus and a plurality of reception terminals communicably connected through a network. The transmission apparatus includes a correction...
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8073146 |
Audio test apparatus and test method thereof
An audio test apparatus, and an exemplary audio test method that includes: processing an audio file through two independent channels; outputting no signals from a left channel and from a right...
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8068621 |
Controller of graphic equalizer
An apparatus is provided for controlling a graphic equalizer which is implemented by digital filters, each being assignable to a frequency band for regulating a level of the frequency band. In the...
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8059833 |
Method of compensating audio frequency response characteristics in real-time and a sound system using the same
A method of compensating audio frequency response characteristics of a portable sound system can be performed using acoustic characteristics of a user measured in real-time. The method of...
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8054992 |
High frequency compensating
A method and apparatus for increasing phase margin in a feedback circuit of an active noise reduction headphone. The method includes providing an acoustic block comprising an acoustic driver...
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8054993 |
System for automatic compensation of low frequency audio based on human loudness perceptual models
A system for boosting the bass of an audio signal to closely match or mirrors a plurality of Robinson-Dadson loudness curves by interpolating coefficients from a table of values representing the...
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8050425 |
Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and audio signal supplying method
An audio signal supplying device includes a connection terminal which is connected to a speaker unit and which outputs an audio signal to the speaker unit, a specifying section which specifies a...
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8050413 |
System and method for conditioning a signal received at a MEMS based acquisition device
A system and method for monitoring for a specified frequency band is disclosed. The technology initially utilizes a micro-electromechanical system (“MEMS”) based acquisition device to monitor an ...
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8050424 |
Speaker system, audio amplifier and audio system
Speaker system is constructed of a plurality of speakers each including a bass-reflex type cabinet. The speaker system is designed to differentiate a low-band resonance frequency between the...
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8045721 |
Dynamic distortion elimination for output audio
A method (200) for improving quality of output audio (126). The method can include detecting an output acoustic signal (128) and generating a receive audio signal (134) based, at least in part, on...
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8045731 |
Sound quality adjustment device
LPF and HPF extract bass and treble ranges, respectively, from an input sound signal, and bass and treble boost circuits perform dynamic range expansion/contraction on the extracted bass- and...
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8045722 |
Method of and apparatus for controlling sound field through array speaker
Provided are a method and apparatus for controlling a sound field through an array speaker. The method includes calculating a coefficient of a filter that controls sound pressure of an input...
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8036389 |
Apparatus and method of canceling vocal component in an audio signal
An apparatus and method of canceling a vocal component includes a first vocal canceling unit to delay each of the left and right channel input signals for a predetermined time and to feed-forward...
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8032372 |
Dictation selection
A computer program product for computing a correction rate predictor for medical record dictations, the computer program product residing on a computer-readable medium includes computer-readable...
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8027487 |
Method of setting equalizer for audio file and method of reproducing audio file
A method of setting an equalizer so as to enlarge a sound field in reproducing an audio file and a method of reproducing an audio file thereby, includes: dividing an input audio file into segments...
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8023665 |
Microphone-tailored equalizing system
A method and system is described to improve the reproduction of sound of an acoustic musical instrument. According to one embodiment, a first microphone is placed at a proximate location to the...
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8005233 |
Bass enhancement for audio
A method and apparatus for conditioning an audio input signal to enhance perception and reproduction of bass frequencies. Harmonics are generated and combined with a phase-shifted version of the...
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8000968 |
Method and apparatus for switching speech or audio signals
A method and an apparatus for switching speech or audio signals, wherein the method for switching speech or audio signals includes when switching of a speech or audio, weighting a first high...
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8000481 |
Speaker array and microphone array
A speaker array, includes a plurality of speakers which are linearly arranged at a predetermined interval; and one-dimensional digital filters which are provided to correspond to the speakers...
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7995778 |
Acoustic transducer array signal processing
A set of filters is configured to distribute input signals representing a single perceptual axis to first and second physically separate arrays of loudspeakers comprising at least first and second...
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7991170 |
Loudspeaker crossover filter
A method is provided for computing frequency responses of crossover filters for multi-way loudspeakers. The method prescribes driver coordinates for drivers in the multi-way loudspeaker, prescribes...
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7991171 |
Method and apparatus for processing an audio signal in multiple frequency bands
A method and apparatus for processing an audio signal in multiple audio frequency bands while minimizing undesirable changes in tonal qualities of the audio signal by determining an initial gain...
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