| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 01/15/2014 | CN203399246U Vehicle audio and audio panel |
| 01/15/2014 | CN203399131U 数字广播终端电路 Digital broadcast terminals circuit |
| 01/15/2014 | CN103518383A Paired microphones for rejecting noise |
| 01/15/2014 | CN103517185A Method for suppressing noise in an acoustic signal for a multi-microphone audio device operating in a noisy environment |
| 01/15/2014 | CN103517184A Noise-canceling device, method and system |
| 01/15/2014 | CN103517183A Method and device for strengthening subwoofer signals |
| 01/15/2014 | CN103517182A Anti-eavesdrop method and anti-eavesdrop system |
| 01/15/2014 | CN103517181A Electronic device and headset |
| 01/15/2014 | CN103517180A 电子设备 Electronic equipment |
| 01/15/2014 | CN103516389A Data signal transmission method and system, signal transmission control method and system |
| 01/15/2014 | CN102271300B Integrated microphone offset voltage control method and offset voltage generating circuit |
| 01/14/2014 | US8630685 Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones |
| 01/14/2014 | US8630429 Preventing electrostatic pull-in in capacitive devices |
| 01/14/2014 | US8630426 Howling suppression using echo cancellation |
| 01/09/2014 | WO2014008253A1 Systems and methods for surround sound echo reduction |
| 01/09/2014 | WO2014007911A1 Audio signal processing device calibration |
| 01/09/2014 | WO2014007724A1 Audio precompensation controller design with pairwise loudspeaker channel similarity |
| 01/09/2014 | WO2014006745A1 Location identification system and method |
| 01/09/2014 | WO2014005212A1 Acoustic transducer assembly |
| 01/09/2014 | US20140010384 Microphone amplifier circuit |
| 01/09/2014 | US20140010374 Acoustic transducer and interface circuit |
| 01/09/2014 | DE102009010872B4 Verfahren und System zum Ausgeben von Ansagen in einer Kabine Method and system for output of announcements in a cabin |
| 01/09/2014 | DE102006052063B4 Lautsprechersystem und Verfahren zum Betreiben eines Lautsprechersystems Speaker system and method of operating a loudspeaker system |
| 01/08/2014 | EP2683179A1 A binaural hearing aid with frequency unmasking |
| 01/08/2014 | EP2682940A2 Noise reduction method, device, and system |
| 01/08/2014 | EP2681929A1 Voice activation system and method and communication system and method using the same |
| 01/08/2014 | EP2681928A1 Method for driving a condenser microphone |
| 01/08/2014 | EP2681842A1 Hearing aid with an h-bridge output stage and a method of driving an output stage |
| 01/08/2014 | CN203387661U Core board of automobile sound equipment |
| 01/08/2014 | CN203387660U Wireless sound box based on mobile phone magnetic field induction |
| 01/08/2014 | CN203387659U Multifunctional sound equipment control circuit |
| 01/08/2014 | CN203387658U Hand in hand wireless microphone system |
| 01/08/2014 | CN103503478A Method for determining an impedance of an electroacoustic transducer and for operating an audio playback device |
| 01/08/2014 | CN103503477A Rejecting noise with paired microphones |
| 01/08/2014 | CN103501558A LED lighting device, wireless speaker system and wireless audio playing method |
| 01/08/2014 | CN103501479A Circuit for improving radio-frequency sensitivity of Bluetooth headset |
| 01/08/2014 | CN103501478A In-car communication audio switching device and method |
| 01/08/2014 | CN103501165A Compressor based dynamic bass enhancement with EQ |
| 01/08/2014 | CN102291646B Volume control circuit of piezoelectric buzzer |
| 01/08/2014 | CN101635876B Codebook based feedback path estimation |
| 01/08/2014 | CN101635873B Adaptive long-term prediction filter for adaptive whitening |
| 01/07/2014 | US8625819 Method and device for voice operated control |
| 01/07/2014 | US8625816 Advanced speech encoding dual microphone configuration (DMC) |
| 01/03/2014 | WO2014003148A1 Electronic device, control method, and control program |
| 01/03/2014 | WO2014002739A1 Ultrasonic transmitter and ultrasonic sensor device |
| 01/03/2014 | WO2014000570A1 Identification device for matching audio interface of mobile terminal and electronic signature tool |
| 01/03/2014 | WO2014000556A1 Earphone interface circuit and electronic equipment |
| 01/03/2014 | CA2874784A1 Identification device for matching audio interface of mobile terminal and electronic signature tool |
| 01/02/2014 | US20140003628 Condenser Microphone |
| 01/02/2014 | US20140003622 Loudspeaker beamforming for personal audio focal points |
| 01/02/2014 | US20140003619 Audio Processing Device |
| 01/02/2014 | US20140003617 Wireless audio/video system for audio signal reproduction and control method for controlling the same |
| 01/02/2014 | US20140003615 Noise reduction method, device, and system |
| 01/02/2014 | US20140003611 Systems and methods for surround sound echo reduction |
| 01/02/2014 | US20140003610 Method of reproducing sound source of terminal and terminal thereof |
| 01/02/2014 | US20140003609 Microphone arrangement |
| 01/02/2014 | DE102012211404A1 Ultrasonic sensor installed in park system of motor vehicle, for distance measurement, has element on which electrically conductive polymer layer is partially arranged for producing electrical measuring signals |
| 01/02/2014 | DE102010055476B4 Signalverarbeitungsgerät, Mikrofonarrayvorrichtung und Speichermedium, das ein Signalverarbeitungsprogramm speichert A signal processing apparatus, a microphone array device and storage medium storing a signal processing program |
| 01/02/2014 | DE102010023615B4 Signalverarbeitungsvorrichtung und Signalverarbeitungsverfahren Signal processing apparatus and signal processing method |
| 01/01/2014 | EP2680616A1 Mobile terminal and audio zooming method thereof |
| 01/01/2014 | EP2680609A1 Audio processing device, audio processing method, and program |
| 01/01/2014 | EP2680608A1 Communication headset speech enhancement method and device, and noise reduction communication headset |
| 01/01/2014 | EP2680023A1 Approaching vehicle detection device and approaching vehicle detection method |
| 01/01/2014 | EP2679167A1 Ultrasonograph |
| 01/01/2014 | EP2679023A1 A transducer apparatus |
| 01/01/2014 | EP2679022A1 Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation |
| 01/01/2014 | EP2679021A2 Systems and methods for acoustic echo cancellation with wireless microphones and speakers |
| 01/01/2014 | CN203378025U Novel mobile ear plug audio output device |
| 01/01/2014 | CN203378024U Vehicle-mounted audio equipment powered by vehicle-mounted cigarette lighter |
| 01/01/2014 | CN203378023U 高效率功放扩音器 High-efficiency power amplifier megaphone |
| 01/01/2014 | CN203378014U Vehicle-mounted communication privacy-strengthening wireless headset system |
| 01/01/2014 | CN203378003U Wireless Bluetooth ceiling horn |
| 01/01/2014 | CN203377866U DAC circuit device with micro pulse wave absorption function |
| 01/01/2014 | CN103493508A Electronic devices for reducing acoustic leakage effects and related methods and computer program products |
| 01/01/2014 | CN103493507A 数字扬声器系统 Digital Speaker System |
| 01/01/2014 | CN103493384A Echo canceling apparatus, echo canceling method, and telephone communication apparatus |
| 01/01/2014 | CN103491880A Ultrasonograph |
| 01/01/2014 | CN103491488A Echo cancellation method and device for microphone |
| 01/01/2014 | CN103491487A Frequency modulation anti-interference hidden earphone system |
| 01/01/2014 | CN103491486A Method for configuring audio devices and audio system |
| 01/01/2014 | CN103491485A Dual-voice-coil horn D-class digital amplification system and signal processing method thereof |
| 01/01/2014 | CN103491484A Audio output apparatus and method for outputting audio |
| 01/01/2014 | CN103491244A Audio processing and output circuit in mobile terminal |
| 01/01/2014 | CN101583059B Noise-cancelling headphone |
| 12/31/2013 | US8620003 Embedded audio system in distributed acoustic sources |
| 12/31/2013 | CA2616305C Conference audio system |
| 12/27/2013 | WO2013190632A1 Speaker device |
| 12/26/2013 | US20130343578 Electronic apparatus |
| 12/26/2013 | US20130343575 Card reading apparatus for use with personal handheld device |
| 12/26/2013 | US20130343573 System for increasing perceived loudness of speakers |
| 12/26/2013 | US20130343572 Microphone mounting structure of mobile terminal and using method thereof |
| 12/26/2013 | US20130343571 Real-time microphone array with robust beamformer and postfilter for speech enhancement and method of operation thereof |
| 12/26/2013 | US20130343569 System With Speaker, Transceiver and Related Devices |
| 12/26/2013 | US20130343568 System With Speaker, Transceiver and Related Devices |
| 12/26/2013 | US20130343561 Audio i o headset plug and plug detection circuitry |
| 12/26/2013 | US20130343560 Method and Apparatus for Reducing Noise in Voices of Mobile Terminal |
| 12/26/2013 | US20130343558 Method for denoising an acoustic signal for a multi-microphone audio device operating in a noisy environment |
| 12/26/2013 | US20130343557 Headphone for active noise suppression |
| 12/26/2013 | US20130343556 Apparatus Including Microphone Arrangements |
| 12/25/2013 | EP2677770A1 Hearing aid comprising a feedback alarm |