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US20060133621 |
Wireless telephone having multiple microphones
The present invention is directed to a wireless telephone having a first microphone and a second microphone and a method for processing audio signal in a wireless telephone having a first... |
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US20140355785 |
MOBILE DEVICE LOCALIZATION USING AUDIO SIGNALS
Mobile device localization using audio signals is described. In an example, a mobile device is localized by receiving a first audio signal captured by a microphone located at the mobile device and... |
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US20050147261 |
Head relational transfer function virtualizer
Sound and the spatial location of the sound relative to a microphone array are sensed and derived respectively and transmitted to a sound reproducing system that uses the sound as a monaural... |
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US20140016798 |
MEMS DEVICE
A method of fabricating a micro-electrical-mechanical system (MEMS) apparatus on a substrate comprises the steps of processing the substrate so as to fabricate an electronic circuit; depositing a... |
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US20090296957 |
SOUND SYSTEM AND METHOD FOR CREATING A SOUND EVENT BASED ON A MODELED SOUND FIELD
A sound system and method for modeling a sound field generated by a sound source and creating a sound event based on the modeled sound field is disclosed. The system and method captures a sound... |
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US20050207591 |
Audio input unit, audio input method and audio input and output unit
A videoconferencing system uses an audio input unit including: two directional microphones disposed in directions with directivity being opposite to each other, the microphones forming a pair and... |
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US20120128176 |
SPATIAL NOISE SUPPRESSION FOR A MICROPHONE ARRAY
A noise reduction system and a method of noise reduction includes utilizing an array of microphones to receive sound signals from stationary sound sources and a user that is speaking. Positions of... |
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US20080246833 |
VIDEO CONFERENCING APPARATUS, CONTROL METHOD, AND PROGRAM
A video conferencing apparatus for video conferencing includes: a light emission control means for allowing a light emitting means for emitting a light that is included in a sound collecting means... |
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US20140112496 |
MICROPHONE PLACEMENT FOR NOISE CANCELLATION IN VEHICLES
Systems and methods for processing acoustic signals in vehicles are provided. An example system comprises one or more microphones and a voice monitoring device. The voice monitoring device can... |
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US20070116300 |
Channel decoding for wireless telephones with multiple microphones and multiple description transmission
An embodiment of the present invention provides a wireless telephone including a receiver module, a channel decoder, a speech decoder, and a speaker. The receiver module receives a plurality of... |
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US20100302401 |
Image Audio Processing Apparatus And Image Sensing Apparatus
An image audio processing portion includes an image analysis portion for analyzing an input image, a directivity control portion for controlling a directivity of an input audio signal based on a... |
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US20080219470 |
Signal processing apparatus, signal processing method, and program recording medium
A signal processing apparatus includes a receiving unit configured to receive an audio signal, and a noise reducing unit configured to reduce a wind noise component of the audio signal received by... |
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US20070237339 |
Environmental noise reduction and cancellation for a voice over internet packets (VOIP) communication device
A system and method for reducing or entirely canceling background or environmental noise from a voice transmission from a communications device. A communications device, such as a voice over... |
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US20090238378 |
Enhanced Immersive Soundscapes Production
An immersive audio-visual system (and a method) for creating an enhanced interactive and immersive audio-visual environment is disclosed. The immersive audio-visual environment enables... |
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US20080252595 |
Method and Device for Virtual Navigation and Voice Processing
An apparatus for virtual navigation and voice processing is provided. A system that incorporates teachings of the present disclosure may include, for example, a computer readable storage medium... |
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US20130318442 |
AUDIO GEAR COMPARISON SYSTEM AND METHOD
A system and method that allow users to directly compare audio gear, for example microphones and other items in the audio recording chain (e.g. preamplifiers, cables, amplifiers, etc.), against... |
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US20140185824 |
FORMING VIRTUAL MICROPHONE ARRAYS USING DUAL OMNIDIRECTIONAL MICROPHONE ARRAY (DOMA)
A dual omnidirectional microphone array noise suppression is described. Compared to conventional arrays and algorithms, which seek to reduce noise by nulling out noise sources, the array of an... |
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US20110096941 |
SELF-STEERING DIRECTIONAL LOUDSPEAKERS AND A METHOD OF OPERATION THEREOF
A directional sound system, a method of transmitting sound to a spatial location determined by the gaze of a user and a directional communication system are disclosed. In one embodiment, the... |
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US20130329908 |
ADJUSTING AUDIO BEAMFORMING SETTINGS BASED ON SYSTEM STATE
Audio beamforming is a technique in which sounds received from two or more microphones are combined to isolate a sound from background noise. A variety of audio beamforming spatial patterns exist.... |
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US20070047743 |
Method and apparatus for improving noise discrimination using enhanced phase difference value
Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is... |
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US20150281834 |
MICROPHONE DEVICE AND MICROPHONE UNIT
A microphone device includes an omnidirectional microphone, a directional microphone, and a first signal processor that performs subtraction processing between data outputted by the directional... |
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US20140247954 |
Entrained Microphones
In some embodiments, a microphone system may include a deformable element that may be made of a material that is subject to deformation in response to external phenomenon. Sensing ports may be in... |
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US20130114822 |
PIEZOELECTRIC MICROPHONES
Electronic devices and microphone devices are described. |
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US20050063553 |
Microphone apparatus, noise reduction method and recording apparatus
To achieve vibration-dependent noise reduction by the use of a microphone to pick up an audio signal and a vibration sensor. The microphone apparatus according to a preferred embodiment of the... |
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US20060034469 |
Sound apparatus and teleconference system
A sound apparatus includes: a sound output that forms sound waves having opposite phases in a front direction and a rear direction, respectively; a front microphone that collects the sound wave... |
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US20070263881 |
METHOD AND APPARATUS FOR LOCATING A TALKER
An apparatus for locating a talker, comprising a microphone array for receiving multiple audio signals, wherein the microphone array is characterized by a predetermined beampattern, a spectral... |
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US20120308040 |
MICROPHONE ARRAY CALIBRATION METHOD AND APPARATUS
An apparatus for providing real-time calibration for two or more microphones. A calibrator for receiving a left microphone signal and a right microphone signal and generating phase difference... |
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US20160241955 |
MULTI-MICROPHONE SOURCE TRACKING AND NOISE SUPPRESSION
Methods, systems, and apparatuses are described for improved multi-microphone source tracking and noise suppression. In multi-microphone devices and systems, frequency domain acoustic echo... |
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US20080112574 |
DIRECTIONAL AUDIO SIGNAL PROCESSING USING AN OVERSAMPLED FILTERBANK
A directional signal processing system for beamforming information signals. The system includes an oversampled filterbank, which has an analysis filterbank for transforming the information signals... |
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US20050180582 |
A System and Method for Utilizing Disjoint Audio Devices
A communication system is provided including an audio server including an audio server communicator, and a multi-aural filter, and at least one audio device including a microphone set having at... |
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US20120140947 |
Apparatus and method to localize multiple sound sources
An apparatus and method to localize multiple sound sources is provided. Virtual microphone signals are generated based on actual microphone signals from a microphone array including a plurality of... |
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US20150110288 |
AUGMENTED ELLIPTICAL MICROPHONE ARRAY
In one embodiment, an audio system has a microphone array and a signal processing subsystem that processes audio signals generated by the microphone array to produce an output beampattern. The... |
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US20120177219 |
WEARABLE SHOOTER LOCALIZATION SYSTEM
A wearable shooter localization system including a microphone array, processor, and output device for determining information about a gunshot. The microphone array may be worn by on the upper arm... |
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US20100008515 |
MULTIPLE ACOUSTIC THREAT ASSESSMENT SYSTEM
A system is provided for locating and identifying an acoustic event. An acoustic sensor having a pair of concentric opposing microphones at a fixed distance on a microphone axis is used to measure... |
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US20060088174 |
System and method for optimizing media center audio through microphones embedded in a remote control
A method and system for optimizing media center audio through microphones embedded in a remote control are described. One embodiment of the method involves receiving a command to optimize audio of... |
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US20140294197 |
Sound Discrimination Method and Apparatus
A method of distinguishing sound sources includes the step of transforming data, collected by at least two transducers which each react to a characteristic of an acoustic wave, into signals for... |
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US20060245601 |
Robust localization and tracking of simultaneously moving sound sources using beamforming and particle filtering
The present invention relates to a system for localizing at least one sound source, comprising a set of spatially spaced apart sound sensors to detect sound from the at least one sound source and... |
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US20150172807 |
Apparatus And A Method For Audio Signal Processing
An apparatus, such as a headset, configured to process audio signals from multiple microphones, comprising: a first pair of microphones (101, 102) outputting a first pair of microphone signals and... |
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US20140314250 |
POSITION ESTIMATION SYSTEM USING AN AUDIO-EMBEDDED TIME-SYNCHRONIZATION SIGNAL AND POSITION ESTIMATION METHOD USING THE SYSTEM
Disclosed is a method of estimating a position by a position estimation system. The method includes generating a time-synchronization signal for position determination using a genetic algorithm,... |
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US20130022217 |
SOUND ZOOM METHOD, MEDIUM, AND APPARATUS
A sound zoom method, medium, and apparatus generating a signal in which a target sound is removed from sound signals input to a microphone array by adjusting a null width that restricts a... |
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US20050271221 |
Airborne collection of acoustic data using an unmanned aerial vehicle
An acoustic data collection system that uses an antenna array aboard a powered unmanned and remotely controlled parafoil. The antenna array has multiple microphone elements, whose outputs are... |
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US20160165341 |
PORTABLE MICROPHONE ARRAY
A microphone array of three or more microphones may be mounted on a housing or substrate configured to be part of a smartphone or a smartphone protective case. The microphone array may be... |
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US20120134507 |
Methods, Systems, and Products for Voice Control
Methods, systems, and computer program products provide voice control of electronic devices. Speech and a beacon signal are received. A directional microphone is aligned to a source of the beacon... |
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US20100123785 |
Graphic Control for Directional Audio Input
A device to provide an audio output includes a microphone array, a signal processor, and a graphic user interface (GUI). The signal processor is coupled to the microphone array to perform audio... |
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US20070076898 |
Adaptive beamformer with robustness against uncorrelated noise
The relatively robust adaptive beamformer, comprises: a filtered sum beamformer (107) to process input audio signals (u1, u2, u3) from an array of respective microphones (101, 103, 105), and... |
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US20130121498 |
NOISE REDUCTION USING MICROPHONE ARRAY ORIENTATION INFORMATION
A handheld device includes: an orientation sensor; an audio processor connected to the orientation sensor and adapted to receive orientation information from the orientation sensor; and a... |
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US20120250881 |
MICROPHONE BIASING
A plurality of microphones are coupled in series to receive a bias current. A plurality of configurable switches may be used to select which ones of the microphones receive the bias current. The... |
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US20110275434 |
METHODS FOR CONTROLLING A PROCESS OF A GAME AND ELECTRONIC DEVICES UTILIZING THE SAME
An electronic device comprises a microphone array, a signal processor and a game controller. The microphone array comprises at least a first microphone unit for capturing at least a first acoustic... |
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US20080159559 |
Post-filter for microphone array
A post-filter includes a microphone array including at least two microphones to which a voice signal are input, a beam former which forms the voice signal input from the microphone array, a... |
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US20080101624 |
SPEAKER DIRECTIONALITY FOR USER INTERFACE ENHANCEMENT
A method (10) and system (200) for user interface enhancement using speaker directionality can include a speaker phone having a microphone array (35, 36, and 37) on a communication device (32) at... |