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9042571 Method and system for touch gesture detection in response to microphone output  
In some embodiments, a method for processing output of at least one microphone of a device (e.g., a headset) to identify at least one touch gesture exerted by a user on the device, including by...
9042574 Processing audio signals  
Audio signals are processed for use in a communication event. A data store may be queried to obtain an indication of an echo direction, which relates to a direction from which audio signals output...
9042573 Processing signals  
Beamformer coefficients may include a plurality of sets of theoretical statistical data for theoretical signals. Each theoretical signal may have its own particular attributes. The statistical...
9031257 Processing signals  
Method, device and computer program product for processing signals at the device. Signals are received, over a range of angles, at a plurality of sensors of the device, the received signals...
9031259 Noise reduction apparatus, audio input apparatus, wireless communication apparatus, and noise reduction method  
It is determined whether or not a sound picked up by at least either a first microphone or a second microphone is a speech segment. When it is determined that the sound picked up by the first or...
9031256 Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording control  
A method of orientation-sensitive recording control includes indicating, within a portable device and at a first time, that the portable device has a first orientation relative to a gravitational...
9026451 Pitch post-filter  
Methods and systems for using pitch predictors in speech/audio coders are provided. Techniques for optimal pre- and post-filtering are presented, and a general result that post-filtering is more...
9025782 Systems, methods, apparatus, and computer-readable media for multi-microphone location-selective processing  
A multi-microphone system performs location-selective processing of an acoustic signal, wherein source location is indicated by directions of arrival relative to microphone pairs at opposite sides...
9025022 Method and apparatus for gesture recognition using a two dimensional imaging device  
Certain aspects of an apparatus and method for gesture recognition using a two Dimensional (2D) imaging device may include capturing a first image of a hand in a first position, capturing a second...
9020163 Near-field null and beamforming  
Devices and methods are disclosed that allow for selective acoustic near-field nulls for microphone arrays. One embodiment may take the form of an electronic device including a speaker and a...
9014395 Audio analysis apparatus and audio analysis system  
An audio analysis apparatus includes the following components. A main body includes a discrimination unit and a transmission unit. A strap is used for hanging the main body from a user's neck. A...
9008321 Audio processing  
A method including: determining a time difference between at least a first audio channel and a second audio channel of the same acoustic space; and enabling a corrective time shift between the...
9008332 Processing chip for a digital microphone and related input circuit and a digital microphone  
A processing chip for a digital microphone and related input circuit and a digital microphone are described herein. In one aspect, the input circuit for a processing chip of a digital microphone...
9008323 Wide dynamic range microphone  
A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the first dynamic range, and coupling...
9002027 Space-time noise reduction system for use in a vehicle and method of forming same  
A space-time adaptive beamformer for reducing noise in a vehicle that includes two or more microphones. A first weighting network is used for adjusting the signal characteristics of at least one...
9002028 Noisy environment communication enhancement system  
A communication system enhances communications in a noisy environment. Multiple input arrays convert a voiced or unvoiced signal into an analog signal. A converter receives the analog signal and...
8996383 Motor-vehicle voice-control system and microphone-selecting method therefor  
A voice-control system for motor vehicles has a plurality of spaced microphones emitting respective microphone signals, and an evaluation unit connected to the microphones. This unit serves for...
8989409 Image display device and method of controlling the same  
An image display device includes: a first audio signal input terminal to which a first audio signal is input from a microphone; and a control section adapted to control power supply from a power...
8989401 Audio zooming process within an audio scene  
A method comprising: obtaining a plurality of audio signals originating from a plurality of audio sources in order to create an audio scene; analyzing the audio scene in order to determine...
8989815 Far field noise suppression for telephony devices  
Noise suppression systems and methods suppress far field noise in a microphone signal. A telephony system includes a main microphone and a reference microphone. In one example, the main microphone...
8983079 Stereo microphone  
A stereo microphone has four condenser microphone units having respective directional axes in the same horizontal plane. The four units each have unidirectivity and a quadrangular shape viewed...
8983089 Sound source localization using multiple microphone arrays  
An augmented reality environment allows interaction between virtual and real objects. Multiple microphone arrays of different physical sizes are used to acquire signals for spatial tracking of one...
8976265 Apparatus for image and sound capture in a game environment  
An apparatus for capturing image and sound during interactivity with a computer game in a game environment is provided. The apparatus includes a housing and a base stand for supporting the...
8976978 Sound signal processing apparatus and sound signal processing method  
A sound signal processing apparatus includes a sound source direction determination unit and a filter processing unit. The sound source direction determination unit determines sound source...
8976977 Microphone array  
A microphone array, comprising N microphones, wherein N is greater than or equal to 3 is provided. The microphones are substantially equiangularly arranged over a circular arc subtending an angle...
8971544 Signal compression based on transducer displacement  
A method for adjusting the performance of an electroacoustic transducer includes receiving, by gain adjustment circuit, a displacement signal corresponding to a relative motion between a magnetic...
8971547 Passive group delay beam forming  
A loudspeaker array and methods for generating sound in an arc pattern. The loudspeaker array includes a plurality of loudspeakers. A delay network is included, the delay network having a...
8965004 Method for acquiring audio signals, and audio acquisition system thereof  
Method for acquiring audio signals is described, wherein a microphone probe (11) equipped with a plurality (Y) of microphone capsules (B) detects a plurality of audio signals, and wherein said...
8965002 Apparatus and method for enhancing audio quality using non-uniform configuration of microphones  
An audio quality enhancing apparatus and method is provided in which a microphone array has a non-uniform configuration and thus a beam pattern of a desired direction is obtained in a wide range...
8965003 Signal processing using spatial filter  
A device and method processing microphone signals from at least two microphones is presented. A first beamformer processes the signals from the microphones and provides a first beamformed signal....
8958569 Selective spatial audio communication  
Audio data associated with a plurality of originating sources is obtained, the audio data directed to a participant entity. An originating entity associated with one of the originating sources is...
8958572 Adaptive noise cancellation for multi-microphone systems  
Null processing noise subtraction is performed per sub-band and time frame for acoustic signals received from multiple microphones. The acoustic signals may include a primary acoustic signal and...
8958571 MIC covering detection in personal audio devices  
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise...
8958570 Microphone array apparatus and storage medium storing sound signal processing program  
A microphone array apparatus includes: an acquisition unit configured to acquire samples from a sound signal inputted from each of a plurality of microphones, at predetermined time intervals; an...
8953817 System and method for producing a directional output signal  
A system and method of producing a directional output signal is described including the steps of: detecting sounds at the left and rights sides of a person's head to produce left and right...
8953812 Voice signals improvements in compressed wireless communications systems  
Improvements in voice signals transmitted within communication systems are obtained by use of adaptive filters, front and rear microphones, noise cancelling systems and other means and methods....
8948407 Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)  
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise...
8942387 Noise-reducing directional microphone array  
In one embodiment, a directional microphone array having (at least) two microphones generates forward and backward cardioid signals from two (e.g., omnidirectional) microphone signals. An...
8942386 Real-time quality monitoring of speech and audio signals in noisy reverberant environments for teleconferencing systems  
A method for real-time monitoring of audio signals reception quality includes receiving output signals from a plurality of microphone clusters, each microphone cluster having at least two...
8942382 Dynamic beamformer processing for acoustic echo cancellation in systems with high acoustic coupling  
Near-end equipment for a communication channel with far-end equipment. The near-end equipment includes at least one loudspeaker, at least two microphones, a beamformer, and an echo canceller. The...
8942976 Method and device for noise reduction control using microphone array  
The present invention provides a noise reduction control method using a microphone array and a noise reduction control device using a microphone array wherein the method comprises the steps of:...
8934640 Microphone array processor based on spatial analysis  
An array processing system improves the spatial selectivity by forming multiple steered beams and carrying out a spatial analysis of the acoustic scene. The analysis derives a time-frequency mask...
8929569 Speaker array control method and speaker array control system  
A speaker array control method includes steps of detecting a position of an audience located in front of a speaker array, wherein the speaker array includes N speakers and N is a positive integer...
8930197 Apparatus and method for encoding and reproduction of speech and audio signals  
A method comprising receiving at a user equipment encrypted content. The content is stored in said user equipment in an encrypted form. At least one key for decryption of said stored encrypted...
8929564 Noise adaptive beamforming for microphone arrays  
The subject disclosure is directed towards a noise adaptive beamformer that dynamically selects between microphone array channels, based upon noise energy floor levels that are measured when no...
8923091 Dual-sensor noise-reduction system for an underwater cable  
A system and a method for rejecting noise in an underwater sensor cable, such as a towed streamer or an ocean-bottom cable. An adaptive hydrodynamic model of the cable produces an estimated sensor...
8923529 Microphone array system and method for sound acquisition  
A microphone array system (16) for sound acquisition from multiple sound sources in a reception space surrounding a microphone array (18) that is interfaced with a beamformer module (28) is...
8924204 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...
8923521 Device for localizing acoustic sources and/or measuring their intensities  
Device for localizing acoustic sources and/or measuring their intensities, intended in particular to be used in confined spaces, the device including at least one acoustic antenna having a first...
8923527 Compact wireless microphone  
A wireless microphone for vehicles includes a housing, an audio plug extending from one end of the housing, a wireless transmitter within the housing, a transducer within the housing, the...