| Patents for H04R 3 - Circuits for transducers (18,190) | 
|---|
| 02/15/2006 | CN1735282A Device and method for driving speaker  | 
| 02/15/2006 | CN1735280A Screen display type wireless microphone  | 
| 02/15/2006 | CN1732872A Bidirectional digital modulating multi-channel artificial cochlea system  | 
| 02/15/2006 | CN1732871A Two-way multi-channel artificial cochlea system with on-chip signal processor  | 
| 02/15/2006 | CN1242551C Portable multi-channel amplifier  | 
| 02/14/2006 | US6999920 Exponential echo and noise reduction in silence intervals  | 
| 02/14/2006 | US6999594 Method and apparatus for reduction of unwanted feedback  | 
| 02/14/2006 | US6999593 System and process for robust sound source localization  | 
| 02/14/2006 | US6999378 Parallel GCS structure for adaptive beamforming under equalization constraints  | 
| 02/09/2006 | US20060029242 System and method for integral transference of acoustical events  | 
| 02/09/2006 | US20060029238 Device and method for driving speaker  | 
| 02/09/2006 | US20060028751 Drive mechanism  | 
| 02/08/2006 | EP1624718A1 Array speaker system  | 
| 02/08/2006 | EP1624717A1 Microphone speaker body forming type of bi-directional telephone apparatus  | 
| 02/08/2006 | EP1624683A2 Method for coding image signals  | 
| 02/08/2006 | EP1623601A1 Method and apparatus for substantially improving power supply rejection performance in a miniature microphone assembly  | 
| 02/08/2006 | EP1623600A2 Method and system for communication enhancement ina noisy environment  | 
| 02/08/2006 | EP1623599A1 Detection device  | 
| 02/08/2006 | EP1623598A1 Microphone array having a second order directional pattern  | 
| 02/08/2006 | CN2757282Y Sedan acoustic circuit capacitor with dynamic display  | 
| 02/08/2006 | CN1241453C Module low voice array system  | 
| 02/07/2006 | US6996283 Block size assignment using local contrast ratio  | 
| 02/07/2006 | US6996243 Loudspeaker with shaped sound field  | 
| 02/07/2006 | US6996240 Loudspeaker unit adapted to environment  | 
| 02/02/2006 | US20060023899 Wireless microphone with display function  | 
| 02/01/2006 | EP1622418A1 Digital audio frequency optimizer  | 
| 02/01/2006 | EP1621046A1 Loudspeaker system for virtual sound synthesis  | 
| 02/01/2006 | EP1621043A2 Method and apparatus for sound transduction with minimal interference from background noise and minimal local acoustic radiation  | 
| 02/01/2006 | EP1620917A2 Multi-band omni directional antenna  | 
| 02/01/2006 | CN2755892Y Talking microphone without contact card  | 
| 02/01/2006 | CN2755891Y Portable loudspeaker device  | 
| 02/01/2006 | CN1728889A Intelligent detection and adjustment system for sound equipment  | 
| 02/01/2006 | CN1728886A Microphone possessing function for cancelling out echo  | 
| 02/01/2006 | CN1728650A Method and arrangement for changing the operation mode of an agent of a management network  | 
| 02/01/2006 | CN1727911A Acoustic control positioning system and method thereof  | 
| 01/31/2006 | US6993141 System for distributing a signal between loudspeaker drivers  | 
| 01/31/2006 | CA2291884C Click-free muting circuit for headset  | 
| 01/26/2006 | WO2006009593A1 Addressable smart speaker  | 
| 01/26/2006 | WO2006009028A1 Sound reproducing device and sound reproducing system  | 
| 01/26/2006 | WO2006009004A1 Sound reproducing system  | 
| 01/26/2006 | DE10254407B4 Vorrichtung und Verfahren zum Unterdrücken einer Rückkopplung Apparatus and method for suppressing a feedback  | 
| 01/25/2006 | CN2754300Y Radiofrequency receiving type ceiling loudspeaker system acoustics  | 
| 01/25/2006 | CN1725766A Earphone circuit and hand-free earphone device of mobile terminal appratus  | 
| 01/24/2006 | US6990207 Active noise control system  | 
| 01/24/2006 | US6990206 Integrating apparatus  | 
| 01/19/2006 | WO2006005948A1 Directional microphone  | 
| 01/19/2006 | WO2006005938A1 Portable speaker system  | 
| 01/19/2006 | US20060015200 Digital mixer capable of programming mixer configuration, mixer configuration editing apparatus, and control application program to control digital mixer  | 
| 01/19/2006 | US20060014570 Mobile communication terminal  | 
| 01/19/2006 | US20060013567 Electronic device, video camera apparatus, and control method therefor  | 
| 01/19/2006 | US20060013416 Stereo microphone processing for teleconferencing  | 
| 01/19/2006 | US20060013415 Voice activation and transmission system  | 
| 01/19/2006 | US20060013412 Method and system for reduction of noise in microphone signals  | 
| 01/19/2006 | US20060013407 Methods and apparatus for sound compensation in an acoustic environment  | 
| 01/19/2006 | US20060013406 Method and apparatus for creating a virtual third channel in a two-channel amplifier  | 
| 01/19/2006 | DE102004032223A1 Audiovisuelle Anordnung Audio-visual arrangement  | 
| 01/19/2006 | DE102004028664A1 Schwingungskörper eines Lautsprechersystems Body vibration of a speaker system  | 
| 01/19/2006 | CA2847633A1 Acoustic telemetry transceiver  | 
| 01/18/2006 | EP1617704A2 Receiver with multiple drive coils  | 
| 01/18/2006 | EP1617701A1 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices  | 
| 01/18/2006 | EP1617580A2 Digital mixer capable of programming the mixer configuration, mixer configuration editing apparatus, and program to control the mixer  | 
| 01/18/2006 | EP1616459A2 Systems and methods for interference suppression with directional sensing patterns  | 
| 01/18/2006 | CN2753085Y Loudspeaker structure of potting  | 
| 01/18/2006 | CN2753084Y Earphone with posture prompting function  | 
| 01/18/2006 | CN2752903Y 削波状态显示装置 Clipping display device  | 
| 01/18/2006 | CN1722734A A method for automatic configuration of terminal equipment  | 
| 01/18/2006 | CN1722227A Digital mixer, mixer configuration editing apparatus, and mixer readable medium  | 
| 01/18/2006 | CN1237845C Stereo signal processing device  | 
| 01/18/2006 | CN1237732C System and method for generating virtual speaker by using parametric sound system  | 
| 01/18/2006 | CN1237724C Method and means for receiving and simultaneous reproduction of digital transmission signals  | 
| 01/18/2006 | CN1237708C Crackle suppressing circuit and sound output amplifier  | 
| 01/17/2006 | US6987992 Multiple wireless microphone speakerphone system and method  | 
| 01/17/2006 | US6987949 Wireless microphone system, voice receiving apparatus, and wireless microphone  | 
| 01/17/2006 | US6987858 Signal processing method, program, and signal processing apparatus  | 
| 01/17/2006 | US6987857 Focus fader with dual optocouplers  | 
| 01/17/2006 | US6987856 Binaural signal processing techniques  | 
| 01/12/2006 | WO2006004099A1 Reverberation adjusting apparatus, reverberation correcting method, and sound reproducing system  | 
| 01/12/2006 | WO2005004533A8 Sound reproduction systems for use by adjacent users  | 
| 01/12/2006 | US20060008110 Receiver with multiple drive coils  | 
| 01/12/2006 | US20060008101 Spectral enhancement using digital frequency warping  | 
| 01/12/2006 | US20060008097 Detection and control of diaphragm collapse in condenser microphones  | 
| 01/12/2006 | DE10351793B4 Adaptive Filtervorrichtung und Verfahren zum Verarbeiten eines akustischen Eingangssignals Adaptive filtering apparatus and method for processing an acoustic input signal  | 
| 01/11/2006 | EP1615463A2 Adaptive howling canceller  | 
| 01/11/2006 | EP1614324A1 Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge  | 
| 01/11/2006 | EP1614322A2 Method and apparatus for reducing an interference noise signal fraction in a microphone signal  | 
| 01/11/2006 | CN1720760A Array speaker apparatus with projection screen  | 
| 01/11/2006 | CN1719948A Receiver with multiple drive coils  | 
| 01/11/2006 | CN1719431A Digit audio frequency optimization apparatus  | 
| 01/11/2006 | CN1719362A Supporter for external loudspeaker of mobile communication terminal and its operating method  | 
| 01/10/2006 | US6985594 Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment  | 
| 01/10/2006 | US6985592 Multipurpose earphone set  | 
| 01/10/2006 | US6985092 Robust system for transmitting and receiving map data  | 
| 01/10/2006 | US6984990 Apparatus for detecting connection state between stereo earphone plug and corresponding jack of mobile communication terminal  | 
| 01/05/2006 | US20060002575 Microphone device  | 
| 01/05/2006 | US20060002570 Noise canceling microphone  | 
| 01/05/2006 | US20060002567 Audio output mode setting apparatus and an audio output mode setting method  | 
| 01/05/2006 | US20060002478 Coding image signal  | 
| 01/05/2006 | DE102004027803A1 Kopfhörer Headphone  | 
| 01/04/2006 | EP1613125A2 Microphone assembly comprising magnetically activable element for signal switching and field indication  | 
| 01/04/2006 | EP1613124A2 Processing of stereo microphone signals for teleconferencing  |