| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 02/04/2010 | WO2010013754A1 Audio signal processing device, audio signal processing system, and audio signal processing method |
| 02/04/2010 | WO2010013602A1 Differential microphone |
| 02/04/2010 | WO2010012186A1 A speaker array device and a drive method thereof |
| 02/04/2010 | US20100029344 Headsets |
| 02/04/2010 | US20100027809 Method for directing operation of microphone system and electronic apparatus comprising microphone system |
| 02/04/2010 | US20100027808 Sound collection/reproduction method and device |
| 02/03/2010 | EP2150074A2 Filter assembly |
| 02/03/2010 | CN201395095Y In-vehicle sound quality self-adapting active control system |
| 02/03/2010 | CN101641965A Acoustic processing system and method for electronic device and mobile telephone terminal |
| 02/03/2010 | CN101640831A Speaker array equipment and driving method thereof |
| 02/03/2010 | CN101640830A Transfer function estimating device, noise suppressing apparatus and transfer function estimating method |
| 02/03/2010 | CN101640829A Digital preamplifier for MEMS microphone |
| 02/03/2010 | CN100588286C Device and method for producing a low-frequency channel |
| 02/02/2010 | US7657040 Parameter setting apparatus for audio mixer, and program therefor |
| 02/02/2010 | US7657038 Method and device for noise reduction |
| 02/02/2010 | CA2407855C Interference suppression techniques |
| 01/28/2010 | WO2010011471A1 Speaker identification and representation for a phone |
| 01/28/2010 | WO2010011364A1 Method and apparatus for rendering ambient signals |
| 01/28/2010 | US20100022280 Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones |
| 01/28/2010 | US20100020990 Sound generator for use in parametric array |
| 01/28/2010 | DE102008034437A1 Vorrichtung zur zustandsabhängigen Ausgabe von Klängen in einem Kraftfahrzeug Apparatus for state-dependent sound output in a motor vehicle |
| 01/28/2010 | CA2745842A1 Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience |
| 01/27/2010 | EP2147567A1 Voice and position localization |
| 01/27/2010 | CN201393292Y Low-frequency enhancing headphone |
| 01/27/2010 | CN201392648Y Multimedia sound with network radio |
| 01/27/2010 | CN201392593Y Novel traffic light |
| 01/27/2010 | CN201392448Y Projecting screen and wireless projection system thereof |
| 01/27/2010 | CN201389342Y Large sounding toy |
| 01/27/2010 | CN101635873A Adaptive long-term prediction filter for adaptive whitening |
| 01/27/2010 | CN101635872A Spectral content modification for robust feedback channel estimation |
| 01/27/2010 | CN100586229C Audio signal processing device and audio signal reproduction system |
| 01/27/2010 | CN100586228C Binaural sound reproduction apparatus and method, and recording medium |
| 01/27/2010 | CN100586226C Device and method for driving speaker |
| 01/27/2010 | CN100585698C Audio/visual content providing system and audio/visual content providing method |
| 01/26/2010 | US7653447 Integrated audio video signal processing system using centralized processing of signals |
| 01/26/2010 | US7653203 Vehicle audio system surround modes |
| 01/26/2010 | US7653143 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 01/21/2010 | WO2010009345A1 Method and apparatus for providing audible, visual or tactile sidetone feedback notification to a user of a communication device with multiple microphones |
| 01/21/2010 | WO2010007925A1 Acoustic processing device |
| 01/21/2010 | US20100014690 Beamforming Pre-Processing for Speaker Localization |
| 01/21/2010 | US20100014689 Systems and methods for intra-oral based communications |
| 01/21/2010 | US20100012716 Audio-Playing System |
| 01/21/2010 | DE10003308B4 Verfahren zur Geräuschquellendetektion und -lokalisierung an Förderbändern A method of noise source detection and localization of conveyor belts |
| 01/21/2010 | CA2724575A1 Method and apparatus for providing audible, visual or tactile sidetone feedback notification to a user of a communication device with multiple microphones |
| 01/20/2010 | EP2146519A1 Beamforming pre-processing for speaker localization |
| 01/20/2010 | CN201388297Y Loudspeaker |
| 01/20/2010 | CN201387710Y 便携式媒体播放器 Portable Media Players |
| 01/20/2010 | CN100584113C Method and apparatus for matching phase of audiphone directional microphone |
| 01/20/2010 | CN100583632C Suppression circuit for sound noise |
| 01/14/2010 | WO2010005610A1 Multiple acoustic threat assessment system |
| 01/14/2010 | WO2010005597A2 Wireless speaker dongle with auxiliary audio output |
| 01/14/2010 | WO2010005143A1 A variable directional microphone assembly and method of making the microphone assembly |
| 01/14/2010 | WO2010005033A1 Acoustic processing apparatus |
| 01/14/2010 | WO2010004340A1 Emergency event detector |
| 01/14/2010 | US20100008518 Methods for processing audio input received at an input device |
| 01/14/2010 | US20100008517 Audio system based on at least second-order eigenbeams |
| 01/14/2010 | US20100008516 Method and system for position detection of a sound source |
| 01/14/2010 | US20100008515 Multiple acoustic threat assessment system |
| 01/14/2010 | US20100008514 Apparatus and system for an audio belt buckle |
| 01/14/2010 | CA2739200A1 Wireless speaker dongle with auxiliary audio output |
| 01/13/2010 | CN201383875Y Power amplifier device based on DMX protocol |
| 01/13/2010 | CN201383865Y High-power switching power supply MOSFET audio power amplifier |
| 01/13/2010 | CN201383864Y Waist-hanging megaphone circuit |
| 01/13/2010 | CN201383326Y Noise reduction device of mobile phone |
| 01/13/2010 | CN101627641A Small-footprint microphone module with signal processing functionality |
| 01/13/2010 | CN100581295C SMD type biased condenser microphone |
| 01/13/2010 | CN100581032C Microphine with voltage pump |
| 01/12/2010 | US7647127 Component data managing method |
| 01/12/2010 | US7646876 System and method for stereo operation of microphones for video conferencing system |
| 01/07/2010 | WO2010002069A1 Tuning sound feed-back device |
| 01/07/2010 | WO2010001508A1 Audio signal processor |
| 01/07/2010 | WO2010000878A2 Speech enhancement method and system |
| 01/07/2010 | US20100002899 Voice conference system |
| 01/07/2010 | DE102008029650A1 Active transmission-reception decoupling circuit for decoupling transmission voltages from receiving element of electroacoustic transducer, has source connections unlocking signal with signals not equal to zero voltage of transistors |
| 01/06/2010 | EP2141695A1 Speech sound enhancement device |
| 01/06/2010 | CN201378867Y Sound power amplifier circuit and television with same |
| 01/06/2010 | CN201378866Y Wireless portable microphone |
| 01/06/2010 | CN201378865Y Volume control device |
| 01/06/2010 | CN201376529Y Automobile acoustic system controlled in front and back seats |
| 01/06/2010 | CN101622805A System and method for intelligent equalization |
| 01/06/2010 | CN101621727A High-fidelity (Hi-Fi) audio system and driving method thereof |
| 01/06/2010 | CN100579298C Mixer apparatus and method for changing parameter settings in the mixer apparatus |
| 01/06/2010 | CN100578649C Signal level adjustment apparatus and control method for the adjustment apparatus |
| 01/06/2010 | CN100578642C Multi-track digital recording and reproducing device, method and programme |
| 01/05/2010 | US7643641 System for communication enhancement in a noisy environment |
| 12/31/2009 | US20090326732 Protecting secret data entry from infrared and audio eavesdropping |
| 12/31/2009 | US20090323981 Satellite Microphone Array For Video Conferencing |
| 12/31/2009 | US20090323980 Array microphone system and a method thereof |
| 12/31/2009 | US20090323977 Sound source separation system, sound source separation method, and acoustic signal acquisition device |
| 12/31/2009 | US20090323975 Headphones with embeddable accessories including a personal media player |
| 12/31/2009 | DE10351286B4 Infrarot-Kopfhörer/Hörhilfe Infrared headphone / hearing aid |
| 12/30/2009 | WO2009157195A1 Microphone device |
| 12/30/2009 | WO2009156906A1 Audio processing |
| 12/30/2009 | WO2009155735A1 Inductive earphone for playing equipment and inductive method thereof |
| 12/30/2009 | EP2139267A1 Acoustic reproduction device |
| 12/30/2009 | EP2138007A2 Headset |
| 12/30/2009 | EP2138006A1 Wind noise rejection apparatus |
| 12/30/2009 | CN201374809Y Loudspeaker protective device and mobile communication terminal |
| 12/30/2009 | CN201374808Y Automatic phantom power supply selected microphone distributor |
| 12/30/2009 | CN201374807Y Sound-box device electrified by high-frequency electronic transformer and provided with amplifier |