| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 02/14/2007 | CN1300936C Base frequency shifting feedback controller |
| 02/14/2007 | CN1299841C Vibration source driving device |
| 02/13/2007 | US7177433 Method of improving the audibility of sound from a loudspeaker located close to an ear |
| 02/13/2007 | CA2253131C Transducer assembly |
| 02/10/2007 | CA2697029A1 Personal portable integrator for music player and mobile phone |
| 02/08/2007 | WO2007016527A1 Audio tuning system |
| 02/08/2007 | WO2005069679A3 Audio signal enhancement |
| 02/08/2007 | US20070030984 Conference system |
| 02/08/2007 | US20070030983 High efficiency audio reproduction |
| 02/08/2007 | US20070030982 Interference suppression techniques |
| 02/08/2007 | US20070030977 Array speaker system |
| 02/08/2007 | US20070030976 Array speaker system |
| 02/07/2007 | EP1749420A1 Audio apparatus and method |
| 02/07/2007 | CN2867779Y Interviewing device with environmental noise inhibiting function |
| 02/07/2007 | CN1910957A Speaker apparatus |
| 02/07/2007 | CN1910953A Speaker apparatus |
| 02/07/2007 | CN1910823A Rearview mirror assemblies incorporating hands-free telephone components |
| 02/07/2007 | CN1909744A Vehicle audio system capable of separating output by different sources |
| 02/07/2007 | CN1299538C Solid angle corss-talk cancellation system and method for beam forming arrays |
| 02/06/2007 | US7174023 Automatic wind noise reduction circuit and automatic wind noise reduction method |
| 02/06/2007 | US7174022 Small array microphone for beam-forming and noise suppression |
| 02/06/2007 | CA2481640C A method for optimal microphone array design under uniform acoustic coupling constraints |
| 02/01/2007 | WO2007013622A1 Loudspeaker device |
| 02/01/2007 | WO2007013248A1 Equipment control device, equipment control method, equipment control program, and recording medium |
| 02/01/2007 | WO2007013180A1 Conference audio system |
| 02/01/2007 | US20070026903 High efficiency audio transducer |
| 02/01/2007 | US20070025567 Microphone comprising an hf transmitter |
| 02/01/2007 | US20070025564 Sound source separation apparatus and sound source separation method |
| 02/01/2007 | US20070025562 Methods and apparatus for targeted sound detection |
| 02/01/2007 | US20070022869 Loudspeaker sensitive sound reproduction |
| 02/01/2007 | DE19521930B4 Verfahren zur Reduzierung akustischer Rückkopplungen und akustischer Echos in Fernsprechnetzen mit Freisprecheinrichtungen A method for reducing acoustic feedback and acoustic echoes in telephone networks with hands-free |
| 02/01/2007 | DE102005035763A1 Lautsprechersystem mit aktivem Bassreflex-Prinzip Speaker system with active bass reflex principle |
| 02/01/2007 | CA2616305A1 Conference audio system |
| 01/31/2007 | EP1748674A1 Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatus |
| 01/31/2007 | EP1748588A2 Apparatus and method for sound source separation |
| 01/31/2007 | CN1906971A Device and method for producing a low-frequency channel |
| 01/30/2007 | US7171011 Acoustic drive circuit |
| 01/30/2007 | US7171009 Method of correcting sound field in an audio system |
| 01/30/2007 | US7171008 Reducing noise in audio systems |
| 01/30/2007 | US7171007 Signal processing system |
| 01/30/2007 | US7171006 Vocal sound input apparatus for automotive vehicle |
| 01/30/2007 | US7171005 P.A. system installation method |
| 01/30/2007 | US7170396 Addressable smart speaker |
| 01/30/2007 | CA2538365C Mobile wireless communications device having improved antenna impedance match and antenna gain from rf energy |
| 01/30/2007 | CA2281117C Mfb speaker system with controllable speaker vibration characteristic |
| 01/25/2007 | WO2007010785A1 Audio decoder |
| 01/25/2007 | WO2007009597A1 Apparatus and method for controlling a plurality of loudspeakers by means of a graphic user interface |
| 01/25/2007 | WO2007009505A1 Ensuring privacy during public announcements |
| 01/25/2007 | US20070019831 Array speaker system |
| 01/25/2007 | US20070019816 Directional loudspeaker control system |
| 01/25/2007 | DE202006017906U1 Kopfhörer Headphone |
| 01/24/2007 | EP1745677A1 A method and system for adapting a loudspeaker to a listening position in a room |
| 01/24/2007 | CN2862552Y Removing device for background noise |
| 01/24/2007 | CN1902981A Audio system having reverberation reducing filter |
| 01/24/2007 | CN1902980A Audio system providing for filter coefficient copying |
| 01/24/2007 | CN1901756A Audio reproducing device |
| 01/24/2007 | CN1901755A Acoustic design support apparatus |
| 01/24/2007 | CN1901753A Electronic apparatus and method of controlling driving of speaker |
| 01/24/2007 | CN1901679A Method for information selecting and dividing based on micro block inner edge |
| 01/24/2007 | CN1901481A Method for judging spring grouping ring topology stability |
| 01/23/2007 | US7167764 Digital mixer and control method for digital mixer |
| 01/23/2007 | US7167569 Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance |
| 01/18/2007 | WO2007008041A1 Transmitting and receiving equipment of microphone |
| 01/18/2007 | WO2007007695A1 Audio system |
| 01/18/2007 | WO2007007684A1 Audio device |
| 01/18/2007 | WO2007007468A1 Audio signal processing device, audio signal processing method, program thereof, and recording medium containing the program |
| 01/18/2007 | WO2007007446A1 Array speaker system and array microphone system |
| 01/18/2007 | WO2007007414A1 Delay sum type sensor array |
| 01/18/2007 | WO2005015955A3 Audio reproduction system |
| 01/18/2007 | US20070015473 Modulator-amplifier |
| 01/18/2007 | US20070015467 Communication system using short range radio communication headset |
| 01/18/2007 | US20070014421 Electroacoustic transducer using diaphragm and method for producing diaphragm |
| 01/18/2007 | US20070014420 Auto-mute command stream by voice-activated remote control |
| 01/18/2007 | US20070014419 Method and apparatus for producing adaptive directional signals |
| 01/18/2007 | DE102005036867A1 Sicherstellung der Privatsphäre bei Lautsprecherausgaben Ensuring privacy in speaker outputs |
| 01/18/2007 | DE102005032274A1 Hörvorrichtung und entsprechendes Verfahren zur Eigenstimmendetektion Hearing apparatus and corresponding method for detection eigenvoices |
| 01/17/2007 | EP1744588A1 Sound volume control circuit, semiconductor integrated circuit, and sound source device |
| 01/17/2007 | EP1743504A1 System for limiting loudspeaker displacement |
| 01/17/2007 | CN2859965Y Audio commutation circuit |
| 01/17/2007 | CN2859964Y Audio output device inside the conference system mainframe |
| 01/17/2007 | CN2859963Y Alarm ear phone |
| 01/17/2007 | CN1898988A Audio output apparatus |
| 01/17/2007 | CN1898943A Device and method for processing an input signal |
| 01/17/2007 | CN1898725A Multi-mode audio processors and methods of operating the same |
| 01/17/2007 | CN1294881C Systems for reducing secondary hot spots in a phased array focused ultrasound system |
| 01/16/2007 | US7164774 Amplifier with limiter |
| 01/16/2007 | US7164772 Setting update apparatus of scene data in audio mixer |
| 01/16/2007 | US7164768 Audio signal processing |
| 01/16/2007 | US7164620 Array device and mobile terminal |
| 01/16/2007 | CA2413217C Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity |
| 01/16/2007 | CA2334842C Capacitor-less crossover network for electro-acoustic loudspeakers |
| 01/11/2007 | WO2007006022A1 Level dependent bass management |
| 01/11/2007 | US20070009116 Sound field microphone |
| 01/11/2007 | US20070009115 Modeling of a microphone |
| 01/11/2007 | US20070009114 Integrated videoconferencing system |
| 01/11/2007 | US20070009113 Set top box videoconferencing system |
| 01/11/2007 | US20070009111 Microphone assembly with P-type preamplifier input stage |
| 01/10/2007 | CN1895001A Audio signal processing device and audio signal reproduction system |
| 01/10/2007 | CN1895000A Intelligibility testing for monitoring or public address systems |
| 01/10/2007 | CN1893740A Mixer apparatus and method for changing parameter settings in the mixer apparatus |