| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 01/10/2007 | CN1893599A Projection capable of regulating contrast |
| 01/10/2007 | CN1294556C Voice matching system for audio transducers and method thereof |
| 01/10/2007 | CN1294471C Electronic apparatus capable of eliminating noise and voice input method for the apparatus |
| 01/09/2007 | US7162044 Audio signal processing |
| 01/09/2007 | US7162043 Microphone array sound source location system with imaging overlay |
| 01/09/2007 | US7162042 Modulator processing for a parametric speaker system |
| 01/04/2007 | WO2007001035A1 Ultrasonic speaker system |
| 01/04/2007 | WO2007000829A1 Information providing system |
| 01/04/2007 | US20070003079 The design of electrostatic loudspeakers |
| 01/04/2007 | US20070003074 Method and device for separating of sound signals |
| 01/03/2007 | CN2854987Y Vehicle whistle loudspeaker device capable of automatic regulating tone |
| 01/03/2007 | CN2854986Y Ear hanging type wireless earphone with booster circuit |
| 01/03/2007 | CN1889684A Long-distance monitoring business realizing method, system and terminal equipment between video information terminals |
| 01/02/2007 | US7158931 Method for identifying a momentary acoustic scene, use of the method and hearing device |
| 01/02/2007 | US7158843 Modular software definable pre-amplifier |
| 01/02/2007 | US7158647 Acoustic device |
| 01/02/2007 | US7158646 Signal derived bias supply for electrostatic loudspeakers |
| 01/02/2007 | US7158645 Orthogonal circular microphone array system and method for detecting three-dimensional direction of sound source using the same |
| 01/02/2007 | US7158644 Active noise control system |
| 01/02/2007 | CA2485728C Detecting acoustic echoes using microphone arrays |
| 01/02/2007 | CA2394342C Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal |
| 12/28/2006 | WO2006137732A1 System and method for extracting acoustic signals from signals emitted by a plurality of sources |
| 12/28/2006 | WO2006137400A1 Mixing device, method, and program |
| 12/28/2006 | US20060291673 Speaker |
| 12/28/2006 | US20060291672 Condenser microphone |
| 12/28/2006 | US20060291671 Switchable audio circuits for mobile terminals and methods and computer program products for operating the same |
| 12/28/2006 | US20060291670 Speaker equalization tool |
| 12/28/2006 | US20060291669 Audio Signal Processing |
| 12/28/2006 | US20060291667 Method and device for driving a directional speaker |
| 12/27/2006 | EP1737267A1 Modelling of a microphone |
| 12/27/2006 | EP1736964A1 System and method for extracting acoustic signals from signals emitted by a plurality of sources |
| 12/27/2006 | EP1736027A2 Optimum driver spacing for a line array with a minimum number of radiating elements |
| 12/27/2006 | EP1529282B1 Method and system for processing subband signals using adaptive filters |
| 12/27/2006 | EP1312239B1 Interference suppression techniques |
| 12/27/2006 | EP1051835B1 Generating calibration signals for an adaptive beamformer |
| 12/27/2006 | CN1887028A Integrated circuit for hearing aids including a magnetic field sensor |
| 12/27/2006 | CN1887025A Selective audio signal enhancement |
| 12/26/2006 | US7155022 Electromagnetic feedback reduction in communication device |
| 12/26/2006 | US7155019 Adaptive microphone matching in multi-microphone directional system |
| 12/26/2006 | US7155017 System and method for controlling audio signals for playback |
| 12/21/2006 | WO2006134820A1 Sound reproducing apparatus |
| 12/21/2006 | WO2006096801A3 Reflective loudspeaker array |
| 12/21/2006 | US20060285704 Speaker |
| 12/21/2006 | US20060285703 Condenser microphone |
| 12/21/2006 | US20060285702 Multi-mode driver circuit |
| 12/21/2006 | US20060285699 Apparatus, system and method for capturing sound |
| 12/20/2006 | EP1518394B1 Echo processing devices for single-channel or multichannel communication systems |
| 12/20/2006 | EP1238528B1 Real-time processing and management method for cancelling out the echo between loudspeaker and microphone of a computer terminal |
| 12/20/2006 | CN2850187Y Programmable FM dual/three tone electric loudspeaker |
| 12/20/2006 | CN2850178Y Blue tooth earphone seat with bidirectional speech transmission |
| 12/20/2006 | CN2849831Y Circuit for eliminating noise of loudspeaker box |
| 12/20/2006 | CN1883228A Array speaker device |
| 12/20/2006 | CN1882205A System and method for extracting and conveying modulated AC signal information |
| 12/20/2006 | CN1881953A Method and apparatus for transmitting message |
| 12/19/2006 | US7151910 Wireless microphone information displaying apparatus and method thereof |
| 12/19/2006 | US7151836 Speaker apparatus and sound reproduction apparatus |
| 12/14/2006 | WO2006132988A1 Modified volterra-wiener-hammerstein(mvwh) method for loudspeaker modeling and equalization |
| 12/14/2006 | WO2006131959A1 Signal separating apparatus |
| 12/14/2006 | WO2006047203A3 Method and apparatus for intelligent acoustic signal processing in accordance with a user preference |
| 12/14/2006 | US20060282562 Mixer apparatus and parameter-setting changing method for use in the mixer apparatus |
| 12/14/2006 | US20060280323 Virtual Multichannel Speaker System |
| 12/14/2006 | US20060280318 Microphone array having a second order directional pattern |
| 12/14/2006 | US20060280315 System and method for delivering audio-visual content along a customer waiting line |
| 12/14/2006 | US20060280311 Apparatus and method for generating a low-frequency channel |
| 12/13/2006 | EP1732354A1 Monolithic device with an acoustic system |
| 12/13/2006 | EP1732353A2 Recording device and adjustment method of audio input signals of the recording device |
| 12/13/2006 | EP1732352A1 Detection and suppression of wind noise in microphone signals |
| 12/13/2006 | EP1732254A2 Mixer apparatus and method for changing parameter settings in the mixer apparatus |
| 12/13/2006 | EP1730993A1 Listening device with two or more microphones |
| 12/13/2006 | EP1595427B1 Method and device for the separation of sound signals |
| 12/13/2006 | CN1879446A Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 12/13/2006 | CN1879297A System and method for controlling audio output |
| 12/13/2006 | CN1878428A Recording device and adjustment method of the recording device |
| 12/12/2006 | US7149317 CMOS high impedance circuit |
| 12/07/2006 | WO2006129760A1 Array speaker device |
| 12/07/2006 | WO2006129640A1 Multi-channel sound pickup apparatus, multi-channel sound reproducing apparatus, and multi-channel sound pickup/reproducing apparatus |
| 12/07/2006 | WO2006129539A1 Audio guidance device and audio guidance method |
| 12/07/2006 | WO2006128977A1 Sound wave transmitter with axially centered transducers |
| 12/07/2006 | WO2006061305A3 Device and method for attenuating an anti-resonant circuit |
| 12/07/2006 | US20060274906 Acoustic sensor with combined frequency ranges |
| 12/07/2006 | DE202006013241U1 Sound-converter device for fixed but detachable attachment to a structure has a double-sided adhesive foil as a means of connection and a triggering unit to stimulate oscillation |
| 12/06/2006 | EP1729540A1 Oscillation echo canceller system |
| 12/06/2006 | EP1728410A1 A method and system for processing sound signals |
| 12/06/2006 | EP1728409A1 Sound device provided with a geometric and electronic radiation control |
| 12/06/2006 | EP1728091A2 A method for efficient beamforming using a complementary noise separation filter |
| 12/06/2006 | EP1547257A4 System and method for integral transference of acoustical events |
| 12/06/2006 | EP1400097B1 Method for adaptive control of multichannel acoustic echo cancellation system and device therefor |
| 12/06/2006 | CN1874613A Automatic control earphone system using capacitance sensor |
| 12/05/2006 | US7146018 Multichannel acoustic signal reproducing apparatus |
| 12/05/2006 | US7146016 Miniature condenser microphone and fabrication method therefor |
| 12/05/2006 | US7146014 MEMS directional sensor system |
| 12/05/2006 | US7146012 Audio processing arrangement with multiple sources |
| 12/05/2006 | US7146011 Steering of directional sound beams |
| 12/04/2006 | DE202005020982U1 Sound improvement device for lockable or closed fireplaces has signal source for wood combustion sounds, control unit with amplifier and loudspeaker arranged near fireplace |
| 11/30/2006 | WO2006126473A1 Sound image localization device |
| 11/30/2006 | WO2006125869A1 Assembly, system and method for acoustic transducers |
| 11/30/2006 | WO2006125265A1 A method and system for reproducing an audio signal |
| 11/30/2006 | WO2005072349A3 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
| 11/30/2006 | US20060269084 Electronic apparatus |
| 11/30/2006 | US20060269083 Multi-purpose speaker |