Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957)
08/2003
08/21/2003WO2003028406A3 Method and apparatus for determining a nonlinear response function for a loudspeaker
08/21/2003WO2002028140A3 Second order microphone array
08/20/2003CN1437429A Hand-held audio assistant
08/19/2003US6608905 Microphone bias current measurement circuit
08/14/2003WO2003024152A3 Listening device
08/14/2003WO2002050499A3 Method and apparatus for determining in situ the acoustic seal provided by an in-ear device
08/06/2003EP1250830B1 Method and device for determining the quality of a signal
08/05/2003US6603860 Apparatus and method for monitoring magnetic audio systems
07/2003
07/31/2003US20030142836 Microphone array having a second order directional pattern
07/31/2003US20030142832 Adaptive method for detecting parameters of loudspeakers
07/31/2003US20030142829 Systems and methods for determining sound of a moving object
07/24/2003WO2003061333A2 Diagnostic circuit for a tweeter in a loudspeaker combination
07/17/2003WO2003059007A2 Microphone support system
07/17/2003WO2003059006A2 Method of compensating the effects of undesired vibrations impinging an audio component and system therefor
07/16/2003CN1115079C Signal quality determining device and method
07/15/2003US6594307 Device and method for signal quality determination
07/10/2003US20030128849 Acoustic anti-transient-masking transform system for compensating effects of undesired vibrations and a method for developing thereof
07/10/2003US20030127572 Microphone support system
07/09/2003EP1250829B1 A method and a system for generation of a calibrated sound field
07/08/2003US6590986 Patient-isolating programming interface for programming hearing aids
06/2003
06/26/2003WO2003052742A1 Voice-bearing light
06/26/2003US20030118193 Method and system for digitally controlling a speaker
06/25/2003EP1322037A2 Method for designing a modal equalizer for a low frequency sound reproduction
06/25/2003EP1169884B1 Flat surface loudspeaker and method for operating the same
06/24/2003US6584203 Second-order adaptive differential microphone array
06/19/2003US20030112984 Voice-bearing light
06/18/2003EP1198973B1 Device for adapting at least one acoustic hearing aid
06/18/2003DE10214407C1 Measuring, evaluating and noise recognition device for signal transmission or storage systems, has estimator which supplies estimated parameter to model system whose output indicates instantaneous noise and distortion
06/12/2003US20030108208 Method and device for comparing signals to control transducers and transducer control system
06/11/2003EP1317871A2 Improved directional microphone system
06/10/2003CA2273239C Device and method for signal quality determination
06/04/2003EP1198974B1 Hearing aid with adaptive matching of microphones
05/2003
05/30/2003WO2003044473A1 Apparatus for measuring ultrasonic power
05/29/2003US20030099365 Method for designing a modal equalizer for a low frequency sound reproduction
05/22/2003WO2002056635A3 High fidelity audio signal reproduction system and method of operation
05/21/2003CN1419795A Device and method for calibration of a microphone
05/20/2003CA2380396C Hearing aid with adaptive matching of microphones
05/15/2003WO2003040118A1 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators
05/15/2003CA2466145A1 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators
05/14/2003CN1418448A Adaptive microphone matching in multi-microphone directional system
05/02/2003EP1033063B1 Feedback cancellation apparatus and methods
04/2003
04/24/2003US20030076965 Device and method for calibration of a microphone
04/17/2003WO2003032683A1 Device for presenting acoustical and vibratory stimuli and method of calibration
04/17/2003US20030073408 Automated system and method for automative time-based audio verification
04/10/2003US20030069710 Method for quantifying the polar response of transducers
04/09/2003EP1301060A1 Method and apparatus for determination of acoustic parameters for fitting hearing aids
04/03/2003WO2003028406A2 Method and apparatus for determining a nonlinear response function for a loudspeaker
04/03/2003US20030063755 System for controlling remote speakers using centralized amplifiers, centralized monitoring and master/slave communication protocol
04/02/2003EP1297721A2 Gas flow sensor, speaker system and microphone
03/2003
03/27/2003WO2003026344A2 Acoustic device
03/27/2003US20030059056 Method and apparatus for determining a nonlinear response function for a loudspeaker
03/27/2003DE10200782C1 Testing circuit for plug-in cable connection between radio and audio amplifier uses evaluation of DC voltage received at radio end of cable connection from virtual earth point at amplifier end
03/26/2003EP1295510A2 Device and method for calibration of a microphone
03/20/2003WO2003024152A2 Listening device
03/20/2003WO2003023422A1 Capacitance measuring circuit, capacitance measuring instrument, and microphone device
03/20/2003WO2003023421A1 Capacitance measuring circuit, capacitance measuring instrument, and microphone device
03/20/2003WO2003023420A1 Impedance measuring circuit, its method, and capacitance measuring circuit
03/20/2003US20030055608 Method and device for determining the quality of a signal
03/20/2003US20030053646 Listening device
03/19/2003EP1293107A2 Method and apparatus for measuring the performance of an implantable middle ear hearing aid, and the response of a patient wearing such a hearing aid
03/19/2003EP1293104A1 Fft-based technique for adaptive directionality of dual microphones
03/11/2003US6532296 Active noise reduction audiometric headphones
03/06/2003US20030044022 Mobile terminal equipment
03/04/2003US6526840 Method for measuring sound absorption power of a theater chair with a human being seated thereon and a dummy sound absorber
02/2003
02/27/2003WO2003017716A2 Speaker equalization tool
02/27/2003WO2002030150A3 A hearing aid with adaptive matching of input transducers
02/27/2003US20030039369 Environmental noise monitoring
02/27/2003US20030039367 Integrated device for testing tone quality of a plurality of microphones
02/20/2003WO2003015460A2 Sound processing system including wave generator that exhibits arbitrary directivity and gradient response
02/20/2003WO2003015459A2 Sound processing system that exhibits arbitrary gradient response
02/20/2003WO2003015458A2 Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in multiple wave sound environment
02/20/2003WO2003015457A2 Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
02/20/2003WO2003015456A2 Sound pollution surveillance system and method
02/20/2003WO2002063918A3 Method for automatically adjusting the filter parameters of a digital equalizer and replay device for audio signals for carrying out such a method
02/20/2003US20030035560 Acoustic device
02/20/2003US20030035555 Speaker equalization tool
02/13/2003WO2003013041A2 Device and method for transmitting, receiving and processing audio control signals in information systems
02/13/2003US20030031328 Second-order adaptive differential microphone array
02/13/2003DE10138434C1 Fokussierender elektroakustischer Wandler und Verfahren zum Test seiner Ausgangsleistung The focusing electroacoustic transducer and method for testing of its output
02/12/2003EP1283517A2 Focussed electro-acoustic transducer and method for testing its output power
02/10/2003CA2357060A1 Noise pollution monitoring system with display panel and video capture
02/06/2003US20030026435 Focussing electroacoustic transducer and method for testing its output power
01/2003
01/30/2003DE10120460C1 Diagnosis method for receiver loudspeaker system connection e.g. for car radio, using variation of end stage operating point for testing bass and/or medium tone loudspeakers and test tone for testing high tone loudspeaker
01/29/2003EP0879502B1 A method for implementing a sound reproduction system for a large space, and a sound reproduction system
01/23/2003US20030016835 Adaptive close-talking differential microphone array
01/22/2003EP1278395A2 Second-order adaptive differential microphone array
01/21/2003US6509753 Customizable nest that requires no machining or tools
01/21/2003CA2240592C Sound system
01/16/2003US20030014566 System for programming hearing aids
01/15/2003EP1275267A2 A directional microphone assembly
01/09/2003WO2002071799A3 A communications system
01/09/2003US20030007648 Virtual audio system and techniques
01/08/2003EP1273927A1 Environmental noise monitoring
01/03/2003WO2001087009A3 Gas flow sensor, speaker system and microphone
01/02/2003US20030002698 Auditory prosthesis, a method and a system for generation of a calibrated sound field
12/2002
12/31/2002US6501277 Automotive harness and audio system analyzer
12/19/2002US20020191805 In-the-ear hearing aid with directional microphone system
12/19/2002US20020191800 In-situ transducer modeling in a digital hearing instrument
12/18/2002EP1266233A1 Automotive harness and audio system analyzer
12/10/2002US6492823 Customizable nest providing for adjustable audio isolation for testing wireless devices
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