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8121570 |
Method and system for flexible FM tuning
A system for processing signals is disclosed and may include a single chip having an integrated Bluetooth radio and an integrated FM radio. The single chip may include at least one processor that...
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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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8111829 |
Method and apparatus for encoding and decoding stereo signal and multi-channel signal
Provided are a method and apparatus for encoding and decoding a stereo signal or a multi-channel signal. According to the method and apparatus, a stereo signal or a multi-channel signal can be...
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8111845 |
System having a pulse width modulation device
A system, a device and a method for pulse width modulation is disclosed. One embodiment includes a pulse width modulation device, a first pulse width modulation mapper for pulse width modulation of...
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8111839 |
Always on headwear recording system
A system that records audio and stores the recording is provided. The system includes first and second monitoring assemblies mounted in an earpiece that occludes and forms an acoustic seal of an...
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8107631 |
Correlation-based method for ambience extraction from two-channel audio signals
A method of ambience extraction includes analyzing an input signal to determine the time-dependent and frequency-dependent amount of ambience in the input signal, wherein the amount of ambience is...
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8107632 |
Digital signal processing apparatus, method thereof and headphone apparatus
A digital signal processing apparatus in which a first digital filter reproduces that part of an impulse response that responds fast, and a decimation filter converts the output of a delay device...
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8103005 |
Primary-ambient decomposition of stereo audio signals using a complex similarity index
An audio signal is processed to derive primary and ambient components of the signal. The signal is first transformed to generate frequency-domain subband signals. Primary and ambient components are...
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8103006 |
Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
Audio signals that represent a sound field with increased spatial resolution are obtained by deriving signals that represent the sound field with high-order angular terms. This is accomplished by...
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8094834 |
Remote auditory spatial communication aid
The present invention provides a means for two or more remotely-located individuals to communicate information about the spatial coordinates of a location of mutual interest in a more rapid,...
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8094836 |
Multi-channel decoding systems capable of reducing noise and methods thereof
A multi-channel decoding method includes: receiving an input signal to generate a first channel output signal and a second channel output signal, wherein the input signal is mixed with a specific...
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8090116 |
Vehicle directional electroacoustical transducing
Vehicle audio systems including directional loudspeakers, particularly directional arrays. An exemplary audio system for a vehicle includes a plurality of audio channels. The vehicle includes a...
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8090109 |
Apparatus for processing audio signal and method thereof
An apparatus for processing an audio signal and method thereof applied to an audio playback system are disclosed. The apparatus comprises a decoder, an error-correcting circuit and an audio...
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8086448 |
Dynamic modification of a high-order perceptual attribute of an audio signal
Processing an audio signal associated with a sound recording made available to be rendered to an end user is disclosed. The audio signal is received. A high-order perceptual attribute of the audio...
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8085939 |
Stereophonic sound reproduction system for compensating low frequency signal and method thereof
A stereophonic sound reproduction system for compensating a low frequency signal and a method thereof, wherein a mono component signal for compensating low frequency signals which are attenuated...
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8085940 |
Rebalancing of audio
Rebalancing of an audio signal refers to achieving a balance of perceived loudness, typically of right and left channels, given an unbalanced input. A flexible method to automatically rebalance an...
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8081762 |
Controlling the decoding of binaural audio signals
A method for generating a parametrically encoded audio signal, the method comprising: inputting a multi-channel audio signal comprising a plurality of audio channels; generating at least one...
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8081764 |
Audio decoder
Provided is an audio decoder which can reduce an amount of arithmetic operations while suppressing occurrence of aliasing noise. The audio decoder includes: a decoder (102) and an analysis filter...
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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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8077474 |
Variable equalizer apparatus
A variable equalizer apparatus for forward and/or reverse equalizers in an amplifier. The system can include a structure to allow continuous contact of the signal flow as an equalizer is removed;...
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8073144 |
Stereo balance interpolation
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
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8069036 |
Method and apparatus for processing audio for playback
A method and apparatus for processing audio for playback to provide a smooth transition between a beginning region of an audio track and an end region of a previous audio track is disclosed. A...
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8059824 |
Joint sound synthesis and spatialization
The invention concerns a process for joint synthesis and spatialization of multiple sound sources in associated spatial positions, including: a) a step of assigning to each source at least one...
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8059822 |
Method and device for actively correcting the acoustic properties of an acoustic space listening zone
The invention concerns a method and device for actively correcting acoustic properties of a listening zone (27) of an acoustic space (1), comprising means for converting a signal to be reproduced...
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8059823 |
Method and apparatus for enhancing auditory spatial perception
In accordance with at least one embodiment, a method and apparatus is provided for generating a first pressure wave propagating in a first direction, said first pressure wave adapted to interact...
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8054979 |
Audio system for improving a signal to noise ratio
An audio system performing a class-D amplification includes a first pulse width modulation (PWM) signal generation unit and a second PWM signal generation unit. The first PWM signal generation unit...
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8054980 |
Apparatus and method for rendering audio information to virtualize speakers in an audio system
An audio processor, apparatus, and method use physical speakers to emulate one or more additional speakers. The physical speakers produce sounds that, from a listener's perspective, appear to come...
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8054948 |
Audio experience for a communications device user
A system and associated methods provide an audio experience such that a user spatially perceives one or more audio events. One particular method set forth involves obtaining audio events and...
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8050433 |
Apparatus and method to cancel crosstalk and stereo sound generation system using the same
An apparatus and method for canceling crosstalk between 2-channel speakers and two ears of a listener in a stereo sound generation system. The crosstalk canceling apparatus includes a first signal...
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8045840 |
Video-audio recording apparatus and method, and video-audio reproducing apparatus and method
A video-audio recording and reproducing apparatus (101) has a built-in stereo microphone (21a, 21b) and an external microphone connection terminal (32). The external microphone connection terminal...
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8041040 |
Sound image control apparatus and sound image control method
A sound image control apparatus and sound image control method capable of increasing the accuracy, in particular, in the distance direction while keeping fixed intervals of transmission...
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8041057 |
Mixing techniques for mixing audio
This disclosure describes audio mixing techniques that intelligently combine two or more audio signals into an output signal. The techniques allow audio to be combined, yet create perceptual...
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8036397 |
Method for estimating the position of a sound source for online calibration of auditory cue to location transformations
A method for estimating the location of a sound source. First, a first microphone and a second microphone are moved relative to the sound source. Then the Intra-aural Time Difference (ITD) between...
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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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8027494 |
Acoustic image creation system and program therefor
With stereophonic sound images of multi-channel audio signals well maintained, 2-channel system audio signals are created. An acoustic image creation system includes: a left-rear localization...
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8027476 |
Sound reproduction apparatus and sound reproduction method
A sound reproduction apparatus capable of providing a target sensation of sound localization to a listener by using a standard head-related transfer function is provided. In a microphone amplifying...
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8023659 |
Mixing system, method and program
In a situation where a plurality of virtual sound sources are fixedly located, a mixing system allows a listener to increase or decrease the sound volumes of the virtual sound sources with a simple...
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8024187 |
Pulse allocating method in voice coding
A pulse allocating method capable of coding stereophonic voice signals efficiently. In the fixed code note retrievals of this pulse allocating method, for individual subframes, the stereophonic...
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8019093 |
Stream segregation for stereo signals
Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; classifying portions of the signals having...
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8009834 |
Sound reproduction apparatus and method of enhancing low frequency component
A sound reproduction apparatus and method enhances a low frequency component in a reproduced sound signal using a reflective sound. The sound reproduction apparatus delays and controls gains of...
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7986801 |
Device having a point and a spatial sound generating-means for providing stereo sound sensation over a large area
A device is described, having a first (2) and a second (4) sound-generating means and an input for a stereo signal (S) comprising left (L) and right (R) sound signals. The device has an...
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7983429 |
Speaker system utilizing input from a transducer in proximity to a separate speaker
A speaker system utilizes input from a transducer that receives an acoustical signal produced by a speaker that is separate from the speaker system. The acoustical signal is amplified and drives a...
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7983922 |
Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
On an encoder-side, a multi-channel input signal is analyzed for obtaining smoothing control information, which is to be used by a decoder-side multi-channel synthesis for smoothing quantized...
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7978860 |
Playback apparatus and playback method
A playback apparatus includes a forming section which, on the basis of an audio signal to be played back, forms audio signals on a plurality of channels for emitting sounds from a pair of sound...
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7974417 |
Multi-channel bass management
A multi-channel audio system including first combining circuitry, for combining a first spectral band of a first plurality channels to provide a first bass audio signal stream; second combining...
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7974424 |
Speaker array system
A speaker array system for outputting, with a simplified construction, sounds audible with a nearly uniform sound volume within an arbitrarily set area. The speaker array system includes a speaker...
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7974418 |
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...
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7970144 |
Extracting and modifying a panned source for enhancement and upmix of audio signals
Modifying a panned source in an audio signal comprising a plurality of channel signals is disclosed. Portions associated with the panned source are identified in at least selected ones of the...
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7965978 |
Transmitting/receiving method, transmitter/receiver, and recording medium therefor
A transmitting/receiving method that can easily detect an influence exerted in transmission channels at a transmitter/receiver is provided. An acquiring unit 12 acquires left audio data and right...
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7961888 |
Method and system for enhancing bass effect in audio signals
The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequency signals,...
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