Patents for H04R 29 - Monitoring arrangements; Testing arrangements (4,957) |
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09/15/2009 | US7590253 Hearing aid having switchable first and second order directional responses |
09/10/2009 | US20090226014 Hearing aid with wireless signal transmission |
09/10/2009 | US20090225996 Speakers with a digital signal processor |
09/10/2009 | US20090225994 Methods and apparatus for generating signaures |
09/09/2009 | CN100539743C Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece |
09/08/2009 | US7587058 Method and device for matching the phases of microphone signals of a directional microphone of a hearing aid |
09/08/2009 | US7587055 Sound collection system |
09/08/2009 | US7587052 Hearing aid and method for adjusting a hearing aid |
09/03/2009 | US20090220099 Method and apparatus for objective assessment of in-ear device acoustical performance |
09/03/2009 | US20090220098 Adaptive bass management |
09/03/2009 | US20090220097 Sound testing device for mobile phone and method for using the same |
08/27/2009 | WO2009104117A1 Light controlled audio transducer |
08/27/2009 | US20090214047 System for producing the parameters of a bass-enhanced loudspeaker enclosure |
08/26/2009 | EP2094030A1 Method for testing the operating conditions of an electric network and apparatus using said method |
08/26/2009 | CN100534223C Acoustics system of multiple loudspeakers and automatic control method |
08/25/2009 | US7579958 Audio power meter |
08/20/2009 | US20090208024 Apparatus for reducing the risk of noise induced hearing loss |
08/20/2009 | DE202009006103U1 Rückwirkungsfreier, elektromechanischer Lautstärkesteller für Lautsprecher in pilottonüberwachten elektroakustischen Gefahrenmeldesystemen Reactionless, electromechanical volume control for speakers in pilottonüberwachten electroacoustic hazard detection systems |
08/19/2009 | EP2090138A1 Method of determining the harmonic and anharmonic portions of a response signal of a device |
08/19/2009 | EP1767057A4 A system for and a method of providing improved intelligibility of television audio for hearing impaired |
08/19/2009 | CN201294635Y Test device for loudspeaker acoustic quality |
08/19/2009 | CN201294634Y Device for detecting cacophony |
08/19/2009 | CN101513085A Identification method and apparatus in an audio system |
08/19/2009 | CN101512938A Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
08/18/2009 | US7577263 System for audio signal processing |
08/18/2009 | CA2482798C Virtual speaker demonstration system and virtual noise simulation |
08/13/2009 | US20090203751 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators |
08/13/2009 | US20090202084 Method and Apparatus for Monitoring a Hearing Aid |
08/13/2009 | US20090202083 Electro-mechanical transducer and manufacturing method of the same |
08/06/2009 | WO2009097407A1 Signaling microphone covering to the user |
08/06/2009 | US20090196431 Apparatus and method for monitoring sound in a process system |
08/06/2009 | CA2705805A1 Signaling microphone covering to the user |
08/04/2009 | US7570769 Air leak self-diagnosis for a communication device |
07/30/2009 | US20090190768 Sound channel detection circuit |
07/29/2009 | EP1767060A4 At-home hearing aid training system and method |
07/29/2009 | CN201282556Y Device for testing and positioning acoustic quality |
07/29/2009 | CN201282555Y Automatic mensuration detection circuit of mobile phone loudspeaker |
07/29/2009 | CN101494818A Multichannel audio standby system |
07/29/2009 | CN101494817A Method for detecting and adjusting sound field effect and sound system thereof |
07/28/2009 | US7567676 Sound event detection and localization system using power analysis |
07/22/2009 | EP1767056A4 System for and method of offering an optimized sound service to individuals within a place of business |
07/22/2009 | EP1765153A4 A sytem for and method of conveniently and automatically testing the hearing of a person |
07/16/2009 | WO2009087772A1 Speaker line inspection device |
07/16/2009 | US20090180633 Sound emission and collection apparatus and control method of sound emission and collection apparatus |
07/16/2009 | US20090180632 Method and Apparatus in an Audio System |
07/16/2009 | US20090180631 Personal sound system for display of sound pressure level or other environmental condition |
07/16/2009 | US20090180630 Electronic device circuitry for communicating with accessories |
07/16/2009 | US20090180629 Methods of calibrating tone-based communications systems |
07/16/2009 | US20090180628 System and method for conditioning a signal received at a MEMS based acquisition device |
07/16/2009 | US20090180627 Active sound blocker |
07/15/2009 | CN101483801A Artificial mouth with acoustic tube outputting plane waves |
07/14/2009 | US7561713 Electro-acoustic device for creating patterns of particulate matter |
07/14/2009 | US7561698 Auto shutoff for portable audio devices |
07/14/2009 | US7561697 Adaptive high fidelity reproduction system |
07/09/2009 | US20090177097 Exercise device, sensor and method of determining body parameters during exercise |
07/09/2009 | US20090175460 Artificial mouth with acoustic tube outputting plane waves |
07/09/2009 | US20090175456 Detecting stereo and mono headset devices |
07/09/2009 | DE102007062875A1 Flat surface loudspeaker, has bending resistant plate excited by flexural vibration for radiating sound via electromechanical transducers, and mechanical-electrical transducer for generating measuring signal corresponding to sound |
07/08/2009 | EP1767055A4 At-home hearing aid testing and cleaning system |
07/08/2009 | CN101478711A Method for controlling microphone sound recording, digital audio signal processing method and apparatus |
07/08/2009 | CN100512509C Method for designing digital audio precompensation filter and system thereof |
07/07/2009 | US7558392 Signal switching apparatus and program |
07/07/2009 | US7558390 Listening device |
07/07/2009 | CA2506439C A parallel gsc structure for adaptive beamforming under equalization constraints |
07/02/2009 | WO2009081190A1 Frequency control based on device properties |
07/02/2009 | US20090171488 Extending digital rights management and authentication to audio speakers |
07/02/2009 | US20090170553 Communication device and method for input interface auto-lock thereof |
07/02/2009 | US20090169025 Method for adjusting frequency response curve of speaker |
07/02/2009 | US20090169024 Data capture bridge |
07/02/2009 | US20090169023 Method for controlling volume of a multimedia player |
07/02/2009 | US20090169022 Systems and methods for improved over-current clipping |
07/01/2009 | EP1767059A4 System for and method of optimizing an individual"s hearing aid |
07/01/2009 | EP1767053A4 System for and method of increasing convenience to users to drive the purchase process for hearing health that results in purchase of a hearing aid |
07/01/2009 | CN101472217A Method for adjusting frequency response curve of telephone receiver |
06/30/2009 | US7555131 Multi-channel relative amplitude and phase display with logging |
06/25/2009 | US20090161882 Method of Measuring an Audio Signal Perceived Quality Degraded by a Noise Presence |
06/24/2009 | CN101466062A Calibration method and apparatus for ear plug type transducer for ear acoustic emission audition detection |
06/24/2009 | CN100505921C Method and apparatus for determining in situ the acoustic seal provided by an in-ear device |
06/23/2009 | CA2409825C System and method for objective evaluation of hearing using auditory steady-state responses |
06/18/2009 | WO2007044463A9 System and method for automatic plug detection |
06/18/2009 | US20090154715 Apparati and methods for sound transduction with minimal interference from background noise and minimal local acoustic radiation |
06/18/2009 | US20090153339 Method and apparatus for boosting an audible signal in a notification system |
06/17/2009 | EP2070388A2 Method and measuring device for monitoring loudspeaker systems |
06/17/2009 | EP2070228A2 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
06/17/2009 | EP1518180A4 Identification system and method for recognizing any one of a number of different types of devices |
06/17/2009 | CN101459868A Method for fitting a bone anchored hearing aid to a user and bone anchored bone conduction hearing aid system |
06/16/2009 | US7548625 System and method of audio testing of acoustic devices |
06/11/2009 | US20090147962 Consumer electronics device with headphones |
06/11/2009 | US20090147134 Audio signal supplying device, parameter providing system, television set, av system, speaker apparatus, and audio signal supplying method |
06/10/2009 | EP1829422A4 Speaker diagnostics based upon driving-point impedance |
06/10/2009 | DE202009002193U1 Testgerät zum Testen von Hörern, insbesondere In-Ohr Hörern oder Ohrkanal-Hörern Test equipment for testing of listeners, especially in-ear buds or ear-canal headphones |
06/10/2009 | CN101453684A Sound input device |
06/09/2009 | US7545944 Controlling a gain setting in a hearing instrument |
06/04/2009 | WO2009068276A1 Loudspeaker device |
06/04/2009 | US20090141904 Devices for Displaying Modal Patterns |
06/04/2009 | US20090141170 Video/audio output device and external speaker control apparatus |
06/03/2009 | EP2065862A1 Preparation of test signals for testing the comprehensibility of acoustic signals from a safety alarm system |
06/03/2009 | CN100496148C Audio frequency output regulating device and method of household cinema |
05/28/2009 | WO2009066194A1 Power save mode for audio interface drive amplifier |
05/28/2009 | US20090136050 Fitting and verification procedure for direct bone conduction hearing devices |