| Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957) | 
|---|
| 12/05/2002 | DE10120461A1 System und Verfahren zum Überprüfen der Phasenlage System and method for checking the phase position | 
| 11/28/2002 | US20020176587 Method of generating an electrical output signal and acoustical/electrical conversion system | 
| 11/21/2002 | US20020172373 System and method for performing acoustic analysis of devices | 
| 11/20/2002 | EP1258168A1 Method and device for comparing signals to control transducers and transducer control system | 
| 11/07/2002 | WO2002089521A2 Microphone-tailored equalizing system | 
| 10/31/2002 | WO2002001915A3 Device and method for calibration of a microphone | 
| 10/31/2002 | US20020161543 Speaker detecting device | 
| 10/30/2002 | EP1253804A2 Speaker detecting device | 
| 10/30/2002 | EP1253803A2 System and method for controlling the phase relationship | 
| 10/30/2002 | EP1251810A1 Soundbridge test system | 
| 10/24/2002 | US20020154787 Acoustical to optical converter for providing pleasing visual displays | 
| 10/24/2002 | US20020154785 Adjusting a loudspeaker to its acoustic environment: the ABC system | 
| 10/24/2002 | US20020154784 Earphone signal check device | 
| 10/24/2002 | US20020152815 Sound measuring method and device allowing for auditory senses characteristics | 
| 10/23/2002 | EP1251716A2 In-situ transducer modeling in a digital hearing instrument | 
| 10/23/2002 | EP1250830A1 Method and device for determining the quality of a signal | 
| 10/23/2002 | EP1250829A1 A method and a system for generation of a calibrated sound field | 
| 10/22/2002 | US6468224 Calibrated audiometer system | 
| 10/19/2002 | CA2382679A1 In-situ transducer modeling in a digital hearing instrument | 
| 10/17/2002 | US20020151819 Calibrated audiometer system | 
| 10/17/2002 | US20020150258 Image forming apparatus and method of evaluating sound quality on image forming apparatus | 
| 10/17/2002 | US20020149070 MEMS based acoustic array | 
| 10/15/2002 | US6463817 Dummy sound absorber representing a seated human for measuring sound absorption power of a theater chair | 
| 10/10/2002 | WO2002080618A1 Noise suppression in measurement of a repetitive signal | 
| 10/10/2002 | WO2001069968A3 Adaptive microphone matching in multi-microphone directional system | 
| 10/10/2002 | US20020146136 Method for acoustic transducer calibration | 
| 10/03/2002 | WO2001022777A9 Personal hearing evaluator | 
| 09/26/2002 | WO2001045459A3 Adaptive method for detecting parameters of loudspeakers | 
| 09/26/2002 | US20020137506 Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal | 
| 09/25/2002 | EP1243161A1 Adaptive method for detecting parameters of loudspeakers | 
| 09/25/2002 | CN2513116Y Location detection system for loud speaker fault | 
| 09/24/2002 | US6456717 System for assuring proper acoustic connection of a device under test to a test fixture | 
| 09/19/2002 | US20020131604 System and method for measuring and enhancing the quality of voice communication over packet-based networks | 
| 09/19/2002 | DE10102856A1 Microphone for alarm intercom incorporates function monitoring of mechanical parts of microphone | 
| 09/18/2002 | CN1370029A Portable telephone terminal and peripheral appts. for sound test of portable telephone terminal | 
| 09/17/2002 | US6453253 Impulse response measuring method | 
| 09/12/2002 | WO2002071799A2 A communications system | 
| 09/12/2002 | US20020128738 Audio chip with switchable audio output pathways | 
| 09/11/2002 | EP1239269A1 Sound measuring method and device allowing for auditory sense characteristics | 
| 09/10/2002 | US6449662 System for programming hearing aids | 
| 09/10/2002 | US6449372 Method for matching hearing aids binaurally | 
| 09/06/2002 | WO2001060112A3 Method of generating an electrical output signal and acoustical/electrical conversion system | 
| 09/04/2002 | EP1142451B1 Method for the binaural adjustment of hearing aids | 
| 08/29/2002 | US20020118842 Method and apparatus for checking audio signals | 
| 08/29/2002 | US20020118841 System for using digital signal processing to compensate for power compression of loudspeakers | 
| 08/29/2002 | DE10105184A1 Verfahren zum automatischen Einstellen eines digitalen Equalizers und Wiedergabeeinrichtung für Audiosignale zur Realisierung eines solchen Verfahrens A method for automatically adjusting a digital equalizer and reproducing device for audio signals for realizing such a method | 
| 08/28/2002 | EP1234482A2 Patient-isolating programming interface for programming hearing aids | 
| 08/28/2002 | EP1133898B1 Hearing aid system and hearing aid for in-situ fitting | 
| 08/28/2002 | EP1133896B1 Environment adaptable loudspeaker | 
| 08/20/2002 | CA2081800C Integrated vibration reducing & health monitoring systems | 
| 08/15/2002 | WO2002063918A2 Method for automatically adjusting the filter parameters of a digital equalizer and replay device for audio signals for carrying out such a method | 
| 08/15/2002 | US20020110248 Audio renderings for expressing non-audio nuances | 
| 08/07/2002 | EP1229747A2 Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal | 
| 08/07/2002 | EP1228667A2 Insert earphone assembly for audiometric testing and method for making same | 
| 07/30/2002 | US6427016 Acoustic devices | 
| 07/25/2002 | WO2002058434A1 Auditory signal generator for people suffering from tinnitus | 
| 07/25/2002 | US20020099551 STI measuring | 
| 07/25/2002 | US20020097882 Method and implementation for detecting and characterizing audible transients in noise | 
| 07/24/2002 | EP0664071B1 Hearing aid having a microphone switching system | 
| 07/18/2002 | WO2002056635A2 High fidelity audio signal reproduction system and method of operation | 
| 07/17/2002 | CN1359605A Apparatus for adapting at least one deaf-aid | 
| 07/16/2002 | US6421448 Hearing aid with a directional microphone characteristic and method for producing same | 
| 07/11/2002 | US20020090094 System and method for microphone gain adjust based on speaker orientation | 
| 07/09/2002 | US6417659 Electronic circuit for tuning vibratory transducers | 
| 07/04/2002 | WO2002052895A1 System for auralizing a loudspeaker in a monitoring room for any type of input signals | 
| 07/03/2002 | EP1219918A2 Position transducer | 
| 07/03/2002 | EP1219139A1 Personal hearing evaluator | 
| 06/27/2002 | WO2002050499A2 Method and apparatus for determining in situ the acoustic seal provided by an in-ear device | 
| 06/27/2002 | US20020083235 System for programming hearing aids | 
| 06/27/2002 | US20020082794 Method for testing a hearing aid, and hearing aid operable according to the method | 
| 06/20/2002 | US20020076057 Method and apparatus for determining in situ the acoustic seal provided by an in-ear device. | 
| 06/20/2002 | US20020076056 Internet-based audiometric testing system | 
| 06/19/2002 | CN2496209Y Intelligent electroacoustic measurement apparatus | 
| 06/18/2002 | US6408078 Active reactive acoustical elements | 
| 06/13/2002 | WO2001062039A3 A method for obtaining a desired level of diffusivity of acoustic output from an acoustic device | 
| 06/13/2002 | US20020071572 Process for the configuration of a public address system and a configurable public address system | 
| 06/13/2002 | US20020071569 System for detecting failures in a loudspeaker assembly | 
| 06/13/2002 | US20020071568 Self-diagnostic system for monitoring electrical equipment | 
| 06/11/2002 | US6402782 Artificial ear and auditory canal system and means of manufacturing the same | 
| 05/30/2002 | US20020064289 Position transducer | 
| 05/30/2002 | US20020062695 Sound field measuring apparatus and sound field measuring method | 
| 05/29/2002 | DE10052896A1 Verfahren zum Konfigurieren einer Beschallungsanlage und konfigurierbare Beschallungsanlage A method for configuring a sound system and configurable sound system | 
| 05/23/2002 | WO2002003750A3 Improved directional microphone system | 
| 05/16/2002 | WO2002018957A3 A device to audibly express impedance differences | 
| 05/16/2002 | US20020057815 Hearing aid having switchable first and second order directional responses | 
| 05/14/2002 | US6389142 In-the-ear hearing aid with directional microphone system | 
| 05/07/2002 | US6385323 Hearing aid with automatic microphone balancing and method for operating a hearing aid with automatic microphone balancing | 
| 05/07/2002 | US6385322 Method and device for operation of a public address (acoustic irradiation) system | 
| 05/02/2002 | US20020051548 Audio signal reproduction device | 
| 05/02/2002 | EP1202607A2 Sound field measuring apparatus and method | 
| 05/02/2002 | EP1202605A2 Method for configuring a public address system and configurable public address system | 
| 05/02/2002 | EP1202571A2 Controlled access to audio signals based objectionable audio content detected via sound recognition | 
| 05/02/2002 | DE10052991A1 Determining spatial acoustic and electroacoustic parameters, involves conducting signal conversion steps in room with sound source, electroacoustic converters in predefined arrangement | 
| 04/25/2002 | US20020048377 Noise canceling microphone | 
| 04/25/2002 | US20020048374 Method and apparatus for measuring the performance of an implantable middle ear hearing aid, and the respones of a patient wearing such a hearing aid | 
| 04/24/2002 | EP1198974A1 Hearing aid with adaptive matching of microphones | 
| 04/24/2002 | EP1198973A2 Device for adapting at least one acoustic hearing aid | 
| 04/17/2002 | EP1196825A2 Method and apparatus for supervising an audio circuit with continuous audio | 
| 04/11/2002 | WO2002030150A2 A hearing aid with adaptive matching of input transducers | 
| 04/11/2002 | US20020041696 Hearing aid with adaptive matching of input transducers |