| Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957) |
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| 02/11/2009 | EP2023670A1 Method and apparatus for detecting malfunctioning speaker |
| 02/11/2009 | CN101365261A Method for speaker parameter fast detection analog synchronization signal and detection system |
| 02/10/2009 | US7489784 Automatic sound field correcting device and computer program therefor |
| 02/05/2009 | US20090034765 Method and device for in ear canal echo suppression |
| 02/05/2009 | DE102007059655A1 Measuring results measuring and transferring device for analyzing and determining functional standby of loudspeaker, is arranged directly on loudspeaker, and digitally and wirelessly determines measuring results |
| 02/04/2009 | CN100459638C Communication system for remote sound monitoring with ambiguous signal processing |
| 02/03/2009 | US7486797 Audio correcting apparatus |
| 02/03/2009 | CA2463195C Hearing instrument with self-diagnostics |
| 01/29/2009 | US20090028351 Method for the fitting of a hearing aid, a system for fitting a hearing aid and a hearing aid |
| 01/29/2009 | US20090028350 Method and apparatus for reducing resonance of loudspeaker |
| 01/29/2009 | US20090028349 Method and apparatus for detecting malfunctioning speaker |
| 01/29/2009 | US20090028348 Headphone |
| 01/28/2009 | CN101355829A Apparatus for testing phonating equipment capable of reducing noise and test method thereof |
| 01/22/2009 | WO2009010069A1 Method of determining a class of a load connected to an amplifier output |
| 01/22/2009 | WO2009010056A1 Method of determining a class of a load connected to an amplifier output |
| 01/22/2009 | WO2009010055A1 Method of determining an impedance function of a loudspeaker |
| 01/22/2009 | US20090022346 A hearing aid adjuster |
| 01/21/2009 | CN100454028C Impedance measuring circuit, its method, and capacitance measuring circuit |
| 01/15/2009 | WO2009007322A2 Sound reproduction device and method for the calibration of a sound reproduction device |
| 01/15/2009 | WO2009006897A1 Headset system comprising a noise dosimete |
| 01/15/2009 | WO2008016531A4 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
| 01/15/2009 | US20090016540 Auditory perception controlling device and method |
| 01/15/2009 | US20090013787 Hearing testing device |
| 01/14/2009 | CN100452929C Method for testing non-anechoic chamber loudspeaker using echo cancellation |
| 01/13/2009 | US7477750 Signal delay time measurement device and computer program therefor |
| 01/08/2009 | US20090010456 Method and device for voice operated control |
| 01/08/2009 | US20090010443 Method and Device for Determining a Room Acoustic Impulse Response in the Time Domain |
| 01/06/2009 | US7474755 Automatic microphone equalization in a directional microphone system with at least three microphones |
| 01/06/2009 | US7474752 Audio frequency range adaptation |
| 01/01/2009 | US20090003613 Method of Performing Measurements By Means of an Audio System Comprising Passive Loudspeakers |
| 12/31/2008 | WO2006086094A3 Self-orienting audio system |
| 12/31/2008 | CN101336011A Microphone assembling test system and method thereof |
| 12/30/2008 | US7471987 Determining location of an audience member having a portable media monitor |
| 12/30/2008 | US7471798 Microphone array having a second order directional pattern |
| 12/25/2008 | US20080317252 Public Address System |
| 12/24/2008 | WO2007127821A3 Method and apparatus for calibrating a sound beam-forming system |
| 12/18/2008 | WO2008153589A2 Earhealth monitoring system and method iv |
| 12/18/2008 | WO2008153588A2 Earhealth monitoring system and method iii |
| 12/18/2008 | US20080310641 Method for checking audio interface in av system and apparatus using the same |
| 12/17/2008 | EP2002431A2 Docking system and mixer for portable media devices with graphical interface |
| 12/17/2008 | CN201167417Y Apparatus for testing uni-directional microphone |
| 12/17/2008 | CN101325822A Rotating dynamic recording playback holography acoustic system |
| 12/16/2008 | US7464595 Portable audiometer enclosed within a patient response mechanism housing |
| 12/16/2008 | CA2396832C Method of generating an electrical output signal and acoustical/electrical conversion system |
| 12/11/2008 | WO2008024246A3 Lightweight audio system for automotive applications and method |
| 12/11/2008 | US20080304674 Hearing device test adapter |
| 12/11/2008 | US20080304672 Target sound analysis apparatus, target sound analysis method and target sound analysis program |
| 12/11/2008 | DE102007026116A1 Hörgerätetestadapter Hearing Aid Test Adapter |
| 12/10/2008 | EP1999996A1 Method and apparatus in an audio system |
| 12/10/2008 | EP1999995A1 Identification method and apparatus in an audio system |
| 12/10/2008 | EP1999994A1 Calibration method and device in an audio system |
| 12/09/2008 | US7463746 Narrow opening electroacoustical transducing |
| 12/04/2008 | WO2008073487A3 Dynamic surround channel volume control |
| 12/04/2008 | US20080300700 Crowd noise analysis |
| 12/04/2008 | US20080298614 System for and Method of Offering an Optimized Sound Service to Individuals within a Place of Business |
| 12/04/2008 | US20080298600 Automated real speech hearing instrument adjustment system |
| 12/04/2008 | US20080298599 System and method for evaluating performance of microphone for long-distance speech recognition in robot |
| 12/04/2008 | US20080298598 Music detecting apparatus and music detecting method |
| 12/04/2008 | DE102007038191B3 Individuell einstellbares Hörgerät und Verfahren zu seinem Betrieb Individually adjustable hearing aid and method for its operation |
| 12/03/2008 | EP1998320A1 System and method for evaluating performance of microphone for long-distance speech recognition in robot |
| 12/03/2008 | CN101316460A Tester for digital acoustic-electric transducer |
| 11/27/2008 | WO2008016531A3 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
| 11/27/2008 | WO2006020186A3 Method for riaa correction without capacitors |
| 11/27/2008 | US20080292107 Noise analysis and extraction systems and methods |
| 11/27/2008 | DE102007023720A1 Measuring unit, has multiple microphones for adjustment or testing of sound of delivering unit and holding unit is detachably connected with component of vehicle seat or is applied on component |
| 11/25/2008 | US7457422 Method and implementation for detecting and characterizing audible transients in noise |
| 11/20/2008 | WO2008033639A3 Broadside small array microphone beamforming apparatus |
| 11/20/2008 | WO2007127077A3 Systems and methods for audio enhancement |
| 11/20/2008 | WO2007016465A3 Loudspeaker with automatic calibration and room equalization |
| 11/20/2008 | US20080285764 Method for Automatically Controling Volume Level for Calculating Mos |
| 11/19/2008 | EP1992197A2 Method for identifying a hearing aid |
| 11/18/2008 | US7454022 Multi-mode ambient soundstage system |
| 11/12/2008 | EP1989917A2 Method for calibrating a hearing aid |
| 11/12/2008 | CN201150131Y Loudspeaker centring branch piece and diaphragm elastic tester |
| 11/11/2008 | US7450724 Hearing aid adjustment device |
| 11/11/2008 | US7450474 Diagnostic system and method for transducers |
| 11/06/2008 | WO2007130341A3 Normalization and calibration of microphones in sound- intensity probes |
| 11/06/2008 | WO2007112421A3 Docking system and mixer for portable media devices with graphical interface |
| 11/06/2008 | US20080273707 Audio Processing |
| 11/04/2008 | US7447319 Method and system for external assessment of hearing aids that include implanted actuators |
| 11/04/2008 | US7447318 System for using digital signal processing to compensate for power compression of loudspeakers |
| 10/30/2008 | WO2008131342A1 Automated real speech hearing instrument adjustment system |
| 10/30/2008 | WO2008036992A3 Method and measuring device for monitoring loudspeaker systems |
| 10/30/2008 | WO2007135581A3 A device for and a method of processing audio data |
| 10/30/2008 | US20080269962 Method and a system for determining and indicating a sound nuisance level outside an aircraft |
| 10/30/2008 | US20080269636 System for and Method of Conveniently and Automatically Testing the Hearing of a Person |
| 10/30/2008 | US20080267417 Equalizer and related signal equalizing method |
| 10/30/2008 | US20080267416 Method and Device for Sound Detection and Audio Control |
| 10/30/2008 | US20080267415 Portable electronic device |
| 10/29/2008 | EP1985154A2 Noise reduction circuit for hearing aid |
| 10/29/2008 | EP1251810B1 Method for testing middle ear implants |
| 10/29/2008 | CN101296533A Loudspeaker diaphragm equivalent mass and equivalent force measuring method |
| 10/23/2008 | WO2008125141A1 Device having an electro-acoustic converter |
| 10/23/2008 | US20080260171 Method and system for fitting a hearing aid |
| 10/23/2008 | US20080260170 Signal processing apparatus, signal processing method, and recording medium having program recorded thereon |
| 10/23/2008 | US20080260169 Headset Derived Real Time Presence And Communication Systems And Methods |
| 10/23/2008 | US20080260167 Sound quality display apparatus, sound quality display method, computer readable medium on which sound quality display program is recorded and sound camera |
| 10/22/2008 | EP1982559A2 Composition and method of treating hearing loss |
| 10/22/2008 | EP1621046B1 Loudspeaker system for virtual sound synthesis |
| 10/21/2008 | US7437935 Continuous chatter boundary criteria for manufactured parts |