| Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957) |
|---|
| 11/23/2004 | US6823073 Directional microphone assembly |
| 11/23/2004 | US6822929 Micro acoustic spectrum analyzer |
| 11/23/2004 | CA2235067C Spatialization for hearing evaluation |
| 11/23/2004 | CA2223676C In-the-ear hearing aid with directional microphone system |
| 11/18/2004 | US20040230433 Microphone system |
| 11/18/2004 | US20040228495 Circuit and method for adaptation of hearing device microphones |
| 11/11/2004 | WO2004098233A1 Microphone array having a second order directional pattern |
| 11/11/2004 | US20040223620 Loudspeaker system for virtual sound synthesis |
| 11/10/2004 | EP1475996A1 Stereo audio-signal processing system |
| 11/04/2004 | US20040220687 Device and method for transmitting, receiving and processing audio control signals in information systems |
| 11/03/2004 | EP1473967A2 Method for suppressing at least one acoustic noise signal and apparatus for carrying out the method |
| 11/02/2004 | US6813577 Speaker detecting device |
| 10/28/2004 | WO2004051202A3 Method of audio testing of acoustic devices |
| 10/28/2004 | US20040213422 Pollable transformer isolated speaker system and method |
| 10/28/2004 | US20040213417 Apparatus and methods for testing acoustic systems |
| 10/28/2004 | US20040213414 Adaptive high fidelity reproduction system |
| 10/21/2004 | US20040208328 Portable mixing and monitoring system for musicians |
| 10/21/2004 | DE10313330A1 Suppression of acoustic noise signal in hearing aid, by weighted combination of signals from microphones, normalization and selection of directional microphone signal having lowest interference signal content |
| 10/20/2004 | EP1468586A2 Diagnostic circuit for a tweeter in a loudspeaker combination |
| 10/14/2004 | US20040202333 Hearing instrument with self-diagnostics |
| 10/13/2004 | EP1467595A2 Hearing instrument with self-diagnostics |
| 10/07/2004 | US20040199276 Method and apparatus for audio synchronization |
| 10/07/2004 | US20040196992 System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
| 10/07/2004 | US20040194549 Sound pollution surveillance system and method |
| 10/07/2004 | DE10310580A1 Vorrichtung und Verfahren zur Adaption von Hörgerätemikrofonen Apparatus and method for adaptation of hearing aid microphones |
| 10/06/2004 | EP1465454A2 System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
| 10/06/2004 | EP1465453A2 Automatic adjustment of a directional microphone system with at least three microphones |
| 10/06/2004 | EP1465452A2 Narrow opening electroacoustical transducing |
| 10/06/2004 | EP1464205A2 Device and method for transmitting, receiving and processing audio control signals in information systems |
| 10/06/2004 | EP1234482B1 Patient-isolating programming interface for programming hearing aids |
| 09/30/2004 | WO2004082692A1 Actacid composition |
| 09/30/2004 | US20040190384 Multi-jack detector |
| 09/29/2004 | CN1533214A Array speaker detector, array speaker device and its distributing line judging method |
| 09/28/2004 | US6798889 Method and apparatus for multi-channel sound system calibration |
| 09/23/2004 | WO2004082330A1 Loudspeaker equipped with measurement of the movement of the loudspeaker unit and a method for measuring the movement of the loudspeaker unit in a loudspeaker |
| 09/23/2004 | WO2004082324A2 Transducer asembly with modifiable buffer circuit and method for adjusting thereof |
| 09/23/2004 | US20040184617 Information apparatus, system for controlling acoustic equipment and method of controlling acoustic equipment |
| 09/23/2004 | DE10310579A1 Automatic microphone compensation method for directional microphone system for hearing aid, using successive amplitude equalization of omnidirectional microphone signals and directional microphone signals |
| 09/21/2004 | US6795557 Sound reproduction equipment and method for reducing the level of acoustical reflections in a room |
| 09/16/2004 | US20040179703 Modifiable buffer circuit for miniature microphone applications and method of adjusting thereof |
| 09/16/2004 | US20040179702 Transducer assembly with modifiable buffer circuit and method for adjusting thereof |
| 09/15/2004 | EP1458216A2 Device and method for adaption of microphones in a hearing aid |
| 09/14/2004 | US6792404 STI measuring |
| 09/14/2004 | US6792120 Audio signal enhancement and amplification system |
| 09/10/2004 | WO2004077402A1 Dip filter frequency characteristic decision method |
| 09/10/2004 | WO2004077401A1 Dip filter frequency characteristic decision method |
| 09/10/2004 | WO2004047486A3 Device and method for determining a pulse response and device and method for playing an audio piece |
| 09/09/2004 | US20040175002 Approach for controlling audio signals in remote location |
| 09/01/2004 | EP1453349A2 Self-calibration of a microphone array |
| 09/01/2004 | EP1453348A1 Self-calibration of microphone arrays |
| 09/01/2004 | CN1526259A Acoustic device |
| 08/26/2004 | WO2004071280A2 Rapid screening, threshold, and diagnostic tests for evaluation of hearing |
| 08/26/2004 | US20040165735 Self-calibration of array microphones |
| 08/26/2004 | US20040165732 Speaker system and method for selectively activating speakers |
| 08/25/2004 | EP1118249A4 System for programming hearing aids |
| 08/18/2004 | EP1446874A2 Microphone-tailored equalizing system |
| 08/11/2004 | EP1444492A1 Apparatus for measuring ultrasonic power |
| 08/11/2004 | EP1444215A1 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators |
| 08/05/2004 | US20040153224 Method of testing a vehicle audio system using a composite signal |
| 08/05/2004 | US20040151476 Multichannel reproducing apparatus |
| 08/04/2004 | EP1443804A2 A multichannel reproducing apparatus |
| 08/04/2004 | EP1443803A2 Hearing aid and method for the detection and automatic selection of an input signal |
| 08/04/2004 | EP1443801A2 Method for activating a hearing device |
| 07/21/2004 | EP1439736A1 Feedback cancellation device |
| 07/21/2004 | EP1174003B1 Programmable multi-mode, multi-microphone system |
| 07/21/2004 | CN1514673A Cudio frequency output regulating device and method of household cinema |
| 07/20/2004 | US6766025 Intelligent speaker training using microphone feedback and pre-loaded templates |
| 07/15/2004 | US20040136540 Sound apparatus, method of changing sound characteristics, and data recording medium on which a sound correction program |
| 07/15/2004 | US20040136539 Audio-conditioned acoustics-based diagnostics |
| 07/14/2004 | CN1512823A Sound device, method for changing sound property |
| 07/14/2004 | CN1157996C Method for producing acoustic device and acoustic device comprising a panel member |
| 07/08/2004 | US20040131207 Audio output adjusting device of home theater system and method thereof |
| 07/08/2004 | US20040131194 Process and device for testing the functionality of loudspeakers |
| 07/07/2004 | EP1435756A2 Audio output adjusting device of home theater system and method thereof |
| 07/07/2004 | CN1511431A Communications system |
| 07/06/2004 | US6760451 Compensating filters |
| 07/01/2004 | US20040127812 Auditory signal generator for people suffering from tinnitus |
| 07/01/2004 | US20040127506 Antimycobacterial compounds |
| 07/01/2004 | US20040125487 Digital audio precompensation |
| 06/24/2004 | WO2004054319A1 Method and device for measuring sound wave propagation time between loudspeaker and microphone |
| 06/24/2004 | US20040122541 Programmable analog input/output integrated circuit system |
| 06/24/2004 | US20040120531 Microphones with equal sensitivity |
| 06/24/2004 | US20040120530 Method and device for maintaining environmental audio awareness in a simplex communications system |
| 06/23/2004 | EP1430748A2 Method and apparatus for determining a nonlinear response function for a loudspeaker |
| 06/17/2004 | WO2004051202A2 Method of audio testing of acoustic devices |
| 06/17/2004 | WO2002089521A3 Microphone-tailored equalizing system |
| 06/17/2004 | DE10254470A1 Vorrichtung und Verfahren zum Bestimmen einer Impulsantwort und Vorrichtung und Verfahren zum Vorführen eines Audiostücks Apparatus and method for determining an impulse response and apparatus and methods for demonstration of an audio piece |
| 06/16/2004 | CN1505440A Method for testing non-anechoic chamber loudspeaker using echo cancellation |
| 06/10/2004 | US20040109570 System and method for selective signal cancellation for multiple-listener audio applications |
| 06/09/2004 | EP1426773A1 Capacitance measuring circuit, capacitance measuring instrument, and microphone device |
| 06/09/2004 | EP1426772A1 Impedance measuring circuit, its method, and capacitance measuring circuit |
| 06/09/2004 | EP1425937A2 Acoustic device |
| 06/03/2004 | WO2004047486A2 Device and method for determining a pulse response and device and method for playing an audio piece |
| 06/03/2004 | US20040105558 Method for automatically adjusting the filter parameters of a digital equalizer and reproduction device for audio signals for implementing such a method |
| 06/02/2004 | EP1424563A1 Capacitance measuring circuit, capacitance measuring instrument, and microphone device |
| 06/02/2004 | EP1423989A2 Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment |
| 06/02/2004 | EP1423985A2 Speaker equalization tool |
| 05/27/2004 | US20040101153 Gas flow sensor, speaker system and microphone, utilizing measurement absolute of time-variations in absolute pressure |
| 05/27/2004 | US20040101144 Sound card, computer system using the sound card and control method thereof |
| 05/27/2004 | DE10249495B3 Function testing device for loudspeakers in automobile passenger compartment, using evaluation of magnetic AC fields provided by loudspeakers |