Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957)
04/2002
04/10/2002EP1196009A2 A hearing aid with adaptive matching of input transducers
04/10/2002CN2485911Y Electric sound signal tester for computer acoustic card
04/09/2002US6370252 Circuit arrangement for testing the connection of a sound reproducing device to a sound signal source
04/09/2002CA2271880C Hearing-adapted quality assessment of audio signals
04/04/2002WO2002028140A2 Second order microphone array
04/04/2002WO2001093627A3 Method and apparatus measuring hearing aid performance
04/04/2002DE10046098C1 Hearing aid testing method incorporates testing of pressure sensor between seal integrity testing cycles
03/2002
03/28/2002WO2002025998A1 A method of measuring the impulse response capability of a system
03/28/2002WO2002025997A1 Quality control of electro-acoustic transducers
03/28/2002US20020036510 Customizable nest that requires no machining or tools
03/27/2002EP1191817A1 A hearing aid with adaptive microphone matching
03/21/2002WO2001054451A3 A directional microphone assembly
03/21/2002US20020034310 Adaptive microphone matching in multi-microphone directional system
03/20/2002EP1123638B1 System and method for evaluating the quality of multi-channel audiosignals
03/19/2002US6359987 Multimedia speaker detection circuit
03/14/2002WO2002021879A2 Digital system to compensate power compression of loudspeakers
03/12/2002CA2228952C Noise cancellation and noise reduction apparatus
03/07/2002WO2002018957A2 A device to audibly express impedance differences
03/07/2002WO2002018889A1 Sound measuring method and device allowing for auditory sense characteristics
03/07/2002CA2420628A1 A device to audibly express impedance measurement
03/06/2002CN2481070Y Quick low-frequency band resonating frequency tester for loudspeaker
03/06/2002CN1339234A Loudspeaker
02/2002
02/14/2002US20020018573 Microphone-tailored equalizing system
02/05/2002CA2098190C Compensating filters
01/2002
01/24/2002WO2001035695A3 Patient isolating programming interface for programming hearing aids
01/23/2002EP1174003A1 Programmable multi-mode, multi-microphone system
01/23/2002CN1332948A Method for binaural adjustment of hearing aids
01/10/2002WO2002003758A1 Method and apparatus for perceptual evaluation of audio products
01/10/2002WO2002003750A2 Improved directional microphone system
01/10/2002DE10031632A1 Digital signal sequence generator for audio analyzer reads out repeatedly next data block from ring buffer only when repeated read out of previous data block is interrupted
01/09/2002EP1169884A1 Flat surface loudspeaker and method for operating the same
01/03/2002WO2002001915A2 Device and method for calibration of a microphone
12/2001
12/19/2001EP1163824A1 Intelligent speaker training using microphone feedback and pre-loaded templates
12/19/2001EP0938831B1 Hearing-adapted quality assessment of audio signals
12/13/2001WO2000016590A9 System for programming hearing aids
12/12/2001EP1161852A2 Method and device for receiving and treating audiosignals in surroundings affected by noise
12/06/2001WO2001093627A2 Method and apparatus measuring hearing aid performance
12/04/2001US6327370 Hearing aid having plural microphones and a microphone switching system
11/2001
11/22/2001US20010043704 Microphone-tailored equalizing system
11/15/2001WO2001087010A1 Fft-based technique for adaptive directionality of dual microphones
11/15/2001WO2001087009A2 Gas flow sensor, speaker system and microphone
11/15/2001CA2421291A1 Gas flow sensor, speaker system and microphone
11/07/2001EP1151630A2 Method and system of compensating for boundary effects on a primary sound source
10/2001
10/25/2001US20010033665 Acoustic quality enhancement via feedback and equalization for mobile multimedia systems
10/18/2001US20010029675 Laser beam alignment device
10/17/2001EP1145465A1 Reducing acoustic feedback with digital modulation
10/16/2001CA2335486C Apparatus and method for adjusting audio equipment in acoustic environments
10/11/2001US20010028716 Loudspeaker design method
10/10/2001EP1142451A1 Method for the binaural adjustment of hearing aids
09/2001
09/27/2001WO2001024579A3 Insert earphone assembly for audiometric testing and method for making same
09/20/2001WO2001069968A2 Adaptive microphone matching in multi-microphone directional system
09/19/2001EP1133898A1 Hearing aid system and hearing aid for in-situ fitting
09/19/2001EP1133896A1 Environment adaptable loudspeaker
09/12/2001EP1133211A2 Information apparatus having speakers
09/12/2001CN1312562A Information signal representing apparatus
09/06/2001US20010020193 Information signal reproducing apparatus
08/2001
08/29/2001EP1128693A1 Testing acoustic properties of a mobile terminal
08/23/2001WO2001062044A1 Method and device for comparing signals to control transducers and transducer control system
08/23/2001WO2001062039A2 A method for obtaining a desired level of diffusivity of acoustic output from an acoustic device
08/23/2001US20010016783 Method and apparatus for active latency characterization
08/16/2001WO2001060112A2 Method of generating an electrical output signal and acoustical/electrical conversion system
08/16/2001EP1123638A2 System and method for evaluating the quality of multi-channel audiosignals
08/07/2001US6272229 Hearing aid with adaptive matching of microphones
08/07/2001US6271771 Hearing-adapted quality assessment of audio signals
08/02/2001WO2001056331A1 A method and a system for generation of a calibrated sound field
07/2001
07/31/2001US6269318 Method for determining transducer linear operational parameters
07/26/2001WO2001054451A2 A directional microphone assembly
07/26/2001WO2001052783A1 Soundbridge test system
07/25/2001EP1118249A1 System for programming hearing aids
07/19/2001WO2001052600A1 Method and device for determining the quality of a signal
07/19/2001US20010009019 System for programming hearing aids
07/19/2001US20010008559 Directional microphone assembly
07/19/2001CA2390844A1 A method for analyzing an acoustical environment and a system to do so
07/05/2001DE19960979A1 Adaptives Verfahren zur Bestimmung von Lautsprecherparametern An adaptive method for determining speaker parameters
06/2001
06/26/2001US6252968 Acoustic quality enhancement via feedback and equalization for mobile multimedia systems
06/26/2001US6252967 Reducing acoustic feedback with digital modulation
06/21/2001WO2001045459A2 Adaptive method for detecting parameters of loudspeakers
06/06/2001CN1298621A Method and apparatus for locating bending wave transducer means
05/2001
05/31/2001WO2001006808A3 Method and apparatus for supervising an audio circuit with continuous audio
05/29/2001CA2204880C Noise cancellation apparatus
05/17/2001WO2001035695A2 Patient isolating programming interface for programming hearing aids
05/01/2001CA2215358C Signal quality determining device and method
04/2001
04/25/2001EP1093702A1 Apparatus and method for adjusting audio equipment in acoustic environments
04/24/2001US6223090 Manikin positioning for acoustic measuring
04/19/2001WO2001027643A1 Automotive harness and audio system analyzer
04/19/2001DE19934724A1 Verfahren und Einrichtung zum Aufnehmen und Bearbeiten von Audiosignalen in einer störschallerfüllten Umgebung Method and apparatus for recording and editing of audio signals in a störschallerfüllten environment
04/17/2001US6219427 Feedback cancellation improvements
04/05/2001WO2001024579A2 Insert earphone assembly for audiometric testing and method for making same
04/04/2001EP1088298A1 Sound reproduction equipment and method for reducing the level of acoustical reflections in a room
03/2001
03/29/2001WO2001022777A1 Personal hearing evaluator
03/29/2001CA2385499A1 Personal hearing evaluator
03/28/2001CN1289523A Acoustic device comprising a panel member relying on bending wave action
03/21/2001EP1084593A1 Public alarm apparatus and method for cochlear implants
03/15/2001WO2000057671A3 Method and device for receiving and treating audiosignals in surroundings affected by noise
03/07/2001EP1080606A1 Feedback cancellation improvements
02/2001
02/27/2001CA2215367C Signal quality determining device and method
02/27/2001CA2215366C Signal quality determining device and method
02/14/2001EP1075775A1 Method and apparatus for locating bending wave transducer means
02/08/2001WO2001010169A1 Hearing aid with adaptive matching of microphones
01/2001
01/31/2001EP1073314A1 Method for fitting a hearing aid and hearing aid
1 ... 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50