| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 04/06/2011 | EP2304969A1 Apparatus, method and computer program for localizing a sound source |
| 04/06/2011 | EP2304968A2 Wide dynamic range microphone |
| 04/06/2011 | CN201789629U Squeal restraining device and sound amplifying system |
| 04/06/2011 | CN201789614U Independent control circuit of sound box and display screen |
| 04/06/2011 | CN201789613U Dynamic LED earphone circuit |
| 04/06/2011 | CN201788701U Portable audio player |
| 04/06/2011 | CN1910953B Speaker apparatus |
| 04/06/2011 | CN1620190B Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 04/06/2011 | CN102007777A Generation of a drive signal for sound transducer |
| 04/06/2011 | CN102007776A Hearing assistance apparatus |
| 04/06/2011 | CN102006536A Sound source adapter, earphone and sound box |
| 04/06/2011 | CN102006534A Directivity optimization method for loudspeaker array |
| 04/06/2011 | CN102006532A Power supply equipment, processing chip for digital microphone and digital microphone |
| 04/06/2011 | CN102004507A Method and device for regulating temperature of electroacoustic device |
| 04/06/2011 | CN101335578B Mixing system |
| 04/05/2011 | US7920933 Digital mixing system with double arrangement for fail safe |
| 04/05/2011 | US7920710 Loudspeaker apparatus |
| 04/05/2011 | US7920709 Vector sound-intensity probes operating in a half-space |
| 04/05/2011 | CA2563481C Audio management in a dual processor environment |
| 03/31/2011 | WO2011037204A1 Content playback device, audio parameter setting method, program, and storage medium |
| 03/31/2011 | WO2011036223A1 Wireless audio transmission system, particularly wireless microphone system |
| 03/31/2011 | WO2010137821A3 Ray tracing device and method |
| 03/31/2011 | US20110075863 Condenser Microphone |
| 03/31/2011 | US20110075859 Apparatus for gain calibration of a microphone array and method thereof |
| 03/31/2011 | US20110075858 Information processing apparatus, information processing method, and program |
| 03/31/2011 | US20110075857 Apparatus for estimating sound source direction from correlation between spatial transfer functions of sound signals on separate channels |
| 03/31/2011 | US20110075855 method and apparatus for processing audio signals |
| 03/31/2011 | DE102009039889A1 Detection device for language in motor vehicle, has microphone arrangement and evaluation unit for processing speech signal |
| 03/30/2011 | EP2301258A1 Systems, methods, and apparatus for multichannel signal balancing |
| 03/30/2011 | CN201781609U Mobile phone loudspeaker circuit and mobile phone terminal |
| 03/30/2011 | CN201780558U Multifunctional automatic disinfection mouse |
| 03/30/2011 | CN101998217A Simple hearing-aid circuit |
| 03/30/2011 | CN101998207A Voice input device |
| 03/30/2011 | CN101998206A Audio compensating device |
| 03/30/2011 | CN101998205A Audio message system, electronic device and sound system for vehicle |
| 03/30/2011 | CN101998204A Control method and control system for recognizing sound source to regulate sound volume of automobile horn |
| 03/30/2011 | CN101998203A High-performance audio amplifier circuit |
| 03/30/2011 | CN101998202A Subwoofer sound protection circuit |
| 03/30/2011 | CN101997487A Electronic frequency dividing amplifier |
| 03/30/2011 | CN101996639A Audio signal separating device and operation method thereof |
| 03/29/2011 | US7916849 Systems and methods for managing the gating of microphones in a multi-pod conference system |
| 03/24/2011 | WO2011034706A2 Volume adjustment based on listener position |
| 03/24/2011 | WO2010120376A3 Method and apparatus for dynamic partial reconfiguration on an array of processors |
| 03/24/2011 | WO2010119253A9 Processing audio signals |
| 03/24/2011 | US20110070926 Optimized method of filtering non-steady noise picked up by a multi-microphone audio device, in particular a "hands-free" telephone device for a motor vehicle |
| 03/24/2011 | US20110069847 Sound collecting device, acoustic communication system, and computer-readable storage medium |
| 03/24/2011 | US20110069846 Audio processing methods and apparatuses utilizing the same |
| 03/24/2011 | US20110069845 Selective audio/sound aspects |
| 03/24/2011 | US20110068944 Motion sensing remote microphone |
| 03/24/2011 | CA2774534A1 Multi-modal audio system with automatic usage mode detection and configuration capability |
| 03/23/2011 | EP2299368A1 Audio processing device and audio processing method |
| 03/23/2011 | EP2297974A2 Sound reproduction system, carrier, method for generating a correction profile and sound reproduction method |
| 03/23/2011 | CN201774671U High frequency multitone reversing horn |
| 03/23/2011 | CN201774664U Passive acoustic system and television |
| 03/23/2011 | CN201774663U Bluetooth-controlled micro loudspeaker array module |
| 03/23/2011 | CN201774662U 讯号处理装置 Signal processing device |
| 03/23/2011 | CN201774661U Driving safety voice prompt circuit |
| 03/23/2011 | CN201773337U Adjusting stabilized voltage power supply |
| 03/23/2011 | CN201767714U Tripod with audio |
| 03/23/2011 | CN101990144A Double earphone adapter, main board and method for detecting double earphones |
| 03/23/2011 | CN101990143A Earphone, main board and using methods of earphone and main board |
| 03/23/2011 | CN101989839A Simple power amplifier circuit |
| 03/23/2011 | CN101989836A Efficient audio amplifier and related method thereof |
| 03/23/2011 | CN101989427A Audio processing device |
| 03/23/2011 | CN101527874B Dynamic sound field system |
| 03/23/2011 | CN101144797B Ultrasonic transducer driving circuit and ultrasonic diagnostic apparatus |
| 03/22/2011 | US7912564 Digital mixing system with double arrangement for fail safe |
| 03/22/2011 | US7912230 Howling detection device and method |
| 03/22/2011 | US7912229 Array driving system and method of driving loads |
| 03/22/2011 | US7912228 Device and method for operating voice-supported systems in motor vehicles |
| 03/22/2011 | US7909466 Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector |
| 03/17/2011 | US20110064247 Automated Customization of Loudspeakers |
| 03/17/2011 | DE202010014852U1 System zur Optimierung von Frequenzweichen System for optimization of crossovers |
| 03/17/2011 | CA2773825A1 Synchronizing wireless earphones |
| 03/16/2011 | EP2296384A1 Howling canceller and howling cancellation method |
| 03/16/2011 | EP2296267A2 Single supply direct drive amplifier |
| 03/16/2011 | EP2294835A2 A method and a system for processing signals |
| 03/16/2011 | EP2294834A1 Tuning sound feed-back device |
| 03/16/2011 | EP1466498B1 Audio system based on at least second order eigenbeams |
| 03/16/2011 | CN201766704U Car audio |
| 03/16/2011 | CN201766703U Sound improvement device for testing and adjusting sound field effect |
| 03/16/2011 | CN201766702U Device for detecting and regulating effect of sound field |
| 03/16/2011 | CN201766701U Interface circuit matched with voice noise suppression chip ZY1421 |
| 03/16/2011 | CN201766690U Wireless sound acquirer |
| 03/16/2011 | CN201766687U Sound system for motorcycle |
| 03/16/2011 | CN201766644U Mobile phone and earphone |
| 03/16/2011 | CN201766326U Bird-expelling device of external power transmission tower |
| 03/16/2011 | CN1980488B Method for controlling sound output |
| 03/16/2011 | CN1578536B Head earphone system and its power supply method and power supply |
| 03/16/2011 | CN101986721A Fully digital loudspeaker device |
| 03/16/2011 | CN101443633B Capacitive MEMS sensor device |
| 03/15/2011 | US7907741 Recording device and adjustment method of recording device |
| 03/15/2011 | US7907740 Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic speaker using the same, audio signal reproduction method, ultra-directional acoustic system, and display device |
| 03/15/2011 | US7907738 Speaker equalization tool |
| 03/15/2011 | CA2469442C Automatic magnetic detection in hearing aids |
| 03/10/2011 | WO2011028891A2 Beam forming in spatialized audio sound systems using distributed array filters |
| 03/10/2011 | WO2011026518A1 Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system |
| 03/10/2011 | US20110058693 Wireless microphone device |
| 03/10/2011 | US20110058683 Method & apparatus for selecting a microphone in a microphone array |
| 03/10/2011 | DE202010014810U1 System zur Synchronisierung elektrischer, elektromagnetischer und elektronischer Bauteile System for synchronizing electrical, electromagnetic and electronic components |