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