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US20140177860 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...
US20070132596 Sound Privacy Machine and Methods of Use Thereof  
The present invention relates to masking airborne sound transmissions and is particularly directed toward masking bodily function sounds emanating from a bathroom. To that end the present...
US20150078568 MICROPHONE DEVICE, MICROPHONE UNIT, MICROPHONE STRUCTURE, AND ELECTRONIC EQUIPMENT USING THESE  
A microphone unit which can suppress collection of wind noise and minimize or eliminate digital signal processing has at least a microphone, a first acoustic transmissive material, and a second...
US20110129096 METHOD AND SYSTEM FOR REDUCING ACOUSTICAL REVERBERATIONS IN AN AT LEAST PARTIALLY ENCLOSED SPACE  
A method of increasing the intelligibility of an audio broadcast in an at least partially enclosed space from at least one amplified audio source. An input microphone receives an incident audio...
US20130164135 Active Noise Suppression on a Wind Turbine  
A system and method for actively suppressing a noise signature from a noise emitting component on a wind turbine is disclosed. The system and method may include at least one active noise measuring...
US20150003620 REDUCING AMBIENT NOISE DISTRACTION WITH AN ELECTRONIC PERSONAL DISPLAY  
A method and system for reducing ambient noise distraction with an electronic personal display is disclosed. One example determines when the electronic personal display is in reader mode. In...
US20110311067 DIGITAL SOUND LEVELING DEVICE AND METHOD TO REDUCE THE RISK OF NOISE INDUCED HEARING LOSS  
Devices and methods for digital sound leveling are disclosed. The subject devices and methods can be used to reduce the risk of noise induced hearing loss. According to an embodiment, an audio...
US20120207316 Operation of a Noise Cancellation Device  
A method for improving the performance of a noise cancellation device, the method includes determining whether one or more noise making objects (NMO) are near an audible range of the noise...
US20110007906 Wind Noise Classifier  
A special purpose machine measures and modulates communication signals that are parsed into frames. Frames of signals modulated and measured to have certain qualities are deemed to be the result...
US20130294615 POP-NOISE REMOVING METHOD  
Provided is a pop-noise removing method. The pop-noise removing method analyzes an acoustic noise, occurring when receiving digital broadcasting under a weak electric field environment, and...
US20120106750 AUDIO DRIVER SYSTEM AND METHOD  
A system and apparatus for constructing a displacement model across a frequency range for a loudspeaker is disclosed. The resultant displacement model is centered around the distortion point. Once...
US20110170699 Loudspeaker and System for Active Noise Cancellation  
A loudspeaker for active noise cancellation is disclosed in which a measurement microphone (12) is arranged at the acoustic center. In addition, a system for active noise cancellation is described.
US20140122074 METHOD AND SYSTEM OF USER-BASED JAMMING OF MEDIA CONTENT BY AGE CATEGORY  
In one exemplary embodiment, a computer-implemented method includes the step of determining an age group of a first user. Media content available to the first user is identified. It is determined...
US20130216058 NOISE SUPPRESSION DEVICE  
A correction spectrum calculation unit 6 obtains a correction spectrum by smoothing an estimated noise spectrum in accordance with the degree of its variations, and a suppression quantity limiting...
US20150222989 Sound Management Systems for Improving Workplace Efficiency  
A sound management system for use by a user located within an environment includes a memory device for storing a selection of sounds. The sounds can be music and/or various “colors” of noise...
US20110096931 CROSSTALK SUPPRESSION  
A crosstalk suppression arrangement for a stereo audio system, wherein the stereo audio system comprises a left stereo channel and a right stereo channel, each comprising a driving circuit, an...
US20120250872 Method and System for Modeling External Volume Changes Within an Acoustic Echo Canceller  
A method and system are provided in which a device, such as an acoustic echo canceller, may reduce the residual echo that may be heard at the far end of a conversation when an external speaker...
US20140153731 ASYMMETRIC TEMPERATURE COMPENSATION OF MICROPHONE SENSITIVITY AT AN ACTIVE NOISE REDUCTION SYSTEM  
Provided are a method and apparatus comprising an active noise reduction system. The active noise reduction system comprises an input transducer for transducing acoustic noise to a noise signal....
US20150199950 USE OF MICROPHONES WITH VSENSORS FOR WEARABLE DEVICES  
Methods and systems are provided for use of microphones with VSensors for wearable devices. VSensors may be used to detect and/or capture vibrations in bones. The captured bone vibrations may then...
US20130188800 NOISE REDUCTION APPARATUS  
A noise reduction apparatus includes a noise reduction amount calculator. The noise reduction amount calculator includes a difference calculator that obtains a difference between a level of the...
US20120020490 Removing Noise From Audio  
The subject matter of this specification can be embodied in, among other things, a computer-implemented method for removing noise from audio that includes building a sound model that represents...
US20110222699 NOISE REDUCTION DEVICE AND NOISE REDUCTION SYSTEM  
A noise reduction device is disclosed, in which noise reduction device, a controlling sound generator outputs a white noise generated by a white-noise generator, and this white noise is sensed by...
US20120314880 Stereo Headset Amplifier  
A driver circuit includes a first driver amplifier that is configured to generate a first output in response to a first reference voltage input and a first audio input; a second driver amplifier...
US20140301557 GAMING SYSTEM AND METHOD FOR DYNAMIC NOISE SUPPRESSION  
A gaming system includes a central server linked to user stations defining gaming zones each defined as comprising one or more of said user stations. The server analyzes ambient conditions and...
US20130129102 ACOUSTIC ECHO CANCELLATION BASED ON ULTRASOUND MOTION DETECTION  
A method includes receiving an ultrasound signal at an ultrasound receiver from an ultrasound transmitter. The method also includes detecting movement of at least one object based on the received...
US20120121100 Method and Apparatus For Wind Noise Detection and Suppression Using Multiple Microphones  
Unlike sound based pressure waves that go everywhere, air turbulence caused by wind is usually a fairly local event. Therefore, in a system that utilizes two or more spatially separated...
US20150230023 NOISE ESTIMATION APPARATUS OF OBTAINING SUITABLE ESTIMATED VALUE ABOUT SUB-BAND NOISE POWER AND NOISE ESTIMATING METHOD  
A noise estimation apparatus of estimating a noise in an input signal includes a sub-band noise estimator estimating a noise in a sub-band input signal, obtained by dividing the input signal by...
US20140363009 ACTIVE NOISE CANCELLATION METHOD FOR MOTORCYCLES  
A Noise Cancellation Process for a motorcycle comprising an input audio source. Input audio source is combined in a mixer. Noise analyzer analyzes output from the mixer for amplitude and harmonic...
US20140355775 WIRED AND WIRELESS MICROPHONE ARRAYS  
An acoustic noise canceling microphone arrangement and processor that uses a principal microphone and other microphones that may be incidentally or deliberately located in the vicinity of the...
US20050254663 Electronic sound screening system and method of accoustically impoving the environment  
A flexible apparatus for, and method of, acoustically improving an environment permits manual adjustment by one or more local or remote users using a simple graphical interface and automatic...
US20080219456 ACOUSTIC DAMPENING COMPENSATION SYSTEM  
At least one exemplary embodiment is directed to an acoustic management system configured to compensate for acoustical dampening comprising: a microphone configured to detect a first acoustic...
US20110222700 ADAPTIVE ACTIVE NOISE CANCELLATION SYSTEM  
A system includes a noise detector configured to identify undesirable noise components in an acoustic signal and a noise energy profiler configured to analyze the identified undesirable noise...
US20080130908 Selective audio/sound aspects  
Certain aspects relate to providing an at least one audio source to at least one user. Certain aspects relate to selectively modifying an at least one first sound source to be provided to the at...
US20060126859 Sound system improving speech intelligibility  
The invention relates to a method and a device for improving speech intelligibility for a listener receiving a speech signal output through a transducer in a noisy environment, where in the speech...
US20120237049 WIDE AREA NOISE CANCELLATION SYSTEM AND METHOD  
An open air, wide area noise cancellation system and method provides improved identification and characterization of noise sources then generating noise cancelling sound waves.
US20120259626 INTEGRATED PSYCHOACOUSTIC BASS ENHANCEMENT (PBE) FOR IMPROVED AUDIO  
Psychoacoustic Bass Enhancement (PBE) is integrated with one or more other audio processing techniques, such as active noise cancellation (ANC), and/or receive voice enhancement (RVE), leveraging...
US20070041588 Motor operation noise elimination circuit of portable multimedia player  
A motor operation noise elimination circuit of a portable multimedia player is provided, in which a first sound sensor is utilized to sense a first sound signal generated by motor operation during...
US20150003621 PERSONAL NOISE REDUCTION METHOD FOR ENCLOSED CABINS  
A Personal Noise Reduction for enclosed cabins is disclosed. According to one embodiment, an input audio source corresponding to sound received from multiple microphones situated equidistantly in...
US20110216910 ADAPTIVE NOTCH FILTER WITH VARIABLE BANDWIDTH, AND METHOD AND APPARATUS FOR CANCELING HOWLING BY USING THE ADAPTIVE NOTCH FILTER WITH VARIABLE BANDWIDTH  
A variable-bandwidth adaptive notch filter which cancels howling from an input signal with a bandwidth varying according to a howling frequency to generate an output signal.
US20130177163 NOISE REDUCTION USING A SPEAKER AS A MICROPHONE  
During sound recording by a microphone, a recording device and method locate characteristics of noise by using a speaker as a second microphone to simultaneously receive sound, and then use the...
US20090304199 Multiple Fan Acoustic Interaction Control  
A fan control system includes a controller that is coupled to a plurality of fan couplers. A computer-readable medium is coupled to the controller and includes a first fan identification...
US20140211955 MICROPHONE HISS MITIGATION  
A system and method for mitigating microphone hiss may obtain a frequency spectrum characteristic for a microphone. A microphone that has limited dynamic range may create microphone hiss in an...
US20130243213 SELECTIVE ADAPTIVE AUDIO CANCELLATION ALGORITHM CONFIGURATION  
Audio processing devices and methods. An ambient microphone picks up ambient sound and a voice microphone picks up a speaker's voice. The voice microphone is located farther from the speaker's...
US20140274198 REDUCING AN ACOUSTIC INTENSITY VECTOR WITH ADAPTIVE NOISE CANCELLATION WITH TWO ERROR MICROPHONES  
A second error microphone may be incorporated in a mobile device to allow computation of additional parameters for modifying an adaptive noise cancellation (ANC) algorithm. For example, a first...
US20150249884 POST-PROCESSED REFERENCE PATH FOR ACOUSTIC ECHO CANCELLATION  
A system includes a speaker, an acoustic echo canceller, a post-processor configured to create a post-processed render signal associated with an audio input, and a reference path operatively...
US20130051574 METHOD OF REMOVING MICROPHONE NOISE AND PORTABLE TERMINAL SUPPORTING THE SAME  
A method of removing a microphone noise and a portable terminal supporting the same are provided. The portable terminal supporting removal of a microphone noise includes a microphone for...
US20120148060 AUTOMATIC POLARITY ADAPTATION FOR AMBIENT NOISE CANCELLATION  
A sound reproducing device has a loudspeaker arranged to produce sound from an audio signal provided by an audio signal source. A microphone is positioned to pick up ambient noise and generate a...
US20120076315 Repetitive Transient Noise Removal  
A system improves the perceptual quality of a speech signal by dampening undesired repetitive transient noises. The system includes a repetitive transient noise detector adapted to detect...
US20110182436 Adaptive Noise Reduction Using Level Cues  
An array of microphones utilizes two sets of two microphones for noise suppression. A primary microphone and secondary microphone of the three microphones may be positioned closely spaced to each...
US20090323973 SELECTING AN AUDIO DEVICE FOR USE  
Selecting for use an audio input device such as a microphone based on the quality of sound sampled from multiple available input devices. The sample is analyzed to determine a background sound...

Matches 1 - 50 out of 355 1 2 3 4 5 6 7 8 >