| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 08/05/2010 | DE102009050780A1 Störschallunterdrückender Kopfhörer Störschallunterdrückender Headphones |
| 08/05/2010 | DE102009016845B3 Anordnung und Verfahren zur Erkennung von Rückkopplungen bei Hörvorrichtungen Apparatus and method for the detection of feedback in hearing devices |
| 08/04/2010 | EP2214420A1 Sound emission and collection device |
| 08/04/2010 | EP2214419A1 Voice input/output automatic switching circuit used in hand-held microphone with speaker of communication device such as transceiver |
| 08/04/2010 | CN201541334U Audio frequency divider |
| 08/04/2010 | CN201541240U Class-D audio power amplifier circuit |
| 08/04/2010 | CN201540725U High-decibel polyphonic tunable speaker |
| 08/04/2010 | CN201539992U Singlechip-based water temperature voice broadcast device of solar water heater |
| 08/04/2010 | CN101796853A Sound collection device |
| 08/04/2010 | CN101796852A Microphone device |
| 08/04/2010 | CN101795427A Bidimensional cruciate sound column with controllable directive property |
| 08/04/2010 | CN101794574A A device for and a method of processing audio data |
| 08/03/2010 | US7769190 Audio signal processing circuit and a display device incorporating the same |
| 08/03/2010 | US7769188 Electronic device, video camera apparatus, and control method therefor |
| 07/29/2010 | WO2010084769A1 Hearing aid |
| 07/29/2010 | WO2010084235A1 Multi-membrane microphone for high-amplitude audio capture |
| 07/29/2010 | WO2010063660A3 Wind noise detection method and system |
| 07/29/2010 | WO2010038973A3 In-the-ear digital hearing aid which can be controlled wirelessly |
| 07/29/2010 | US20100189286 Audio conference system |
| 07/29/2010 | US20100189285 Reading lamp |
| 07/29/2010 | US20100189282 Phase equalization for multi-channel loudspeaker-room responses |
| 07/29/2010 | US20100189279 Microphone array signal processing apparatus, microphone array signal processing method, and microphone array system |
| 07/29/2010 | US20100189277 System for hearing protectors |
| 07/29/2010 | US20100189273 Method and apparatus for remote control of an audio source such as a wireless microphone system |
| 07/28/2010 | EP2211561A2 Speech signal processing apparatus with microphone signal selection |
| 07/28/2010 | EP1966957B1 System for wirelessly distributing an audio signal between a plurality of active loudspeakers |
| 07/28/2010 | EP1481570B1 Loudspeaker with shaped sound field |
| 07/28/2010 | CN201536413U 一种耳机 One kind of headset |
| 07/28/2010 | CN201535925U 车载图象记录器 Vehicle-mounted image recorder |
| 07/28/2010 | CN101790122A Plosive eliminating circuit of audio system and mobile communication terminal |
| 07/28/2010 | CN101790121A Mobile equipment line control system, line control device and line control method |
| 07/28/2010 | CN101790120A Sound effect wave-mixing device and method |
| 07/28/2010 | CN101790119A Microphone array having a second order directional pattern |
| 07/28/2010 | CN101790118A Audio-frequency directional loudspeaker system and signal processing method thereof |
| 07/28/2010 | CN101789252A Audio reproduction device, information reproduction system, audio reproduction method |
| 07/27/2010 | US7764801 Directional microphone array system |
| 07/27/2010 | US7764799 Audio system providing for filter coefficient copying |
| 07/27/2010 | US7764796 Signal strength information dependent control of small electrodynamic transducers in audio systems |
| 07/22/2010 | WO2009143434A4 Wide dynamic range microphone |
| 07/22/2010 | DE102009005302A1 Schutzhelm und Vorrichtung zur aktiven Störschallunterdrückung Helmet and device for active noise suppression |
| 07/21/2010 | EP2209327A1 Audio system and method to control output of the audio system |
| 07/21/2010 | EP2209326A1 Auditory sensibility correction device |
| 07/21/2010 | EP2208369A2 Sound projector set-up |
| 07/21/2010 | EP2208364A1 Noise cancellation circuit for electronic device |
| 07/21/2010 | EP2208363A1 Focusing on a portion of an audio scene for an audio signal |
| 07/21/2010 | EP2208362A1 Method for synthesizing a microphone signal |
| 07/21/2010 | EP2208358A1 Microphone arrangement |
| 07/21/2010 | CN201533406U Loudspeaker |
| 07/21/2010 | CN201533405U Microphone with undistorted sound waves |
| 07/21/2010 | CN201533398U Broadcasting system of communication and transportation equipment |
| 07/21/2010 | CN201533397U Digital audio-frequency power-amplification circuit |
| 07/21/2010 | CN201533396U Embedded audio system based on ARM9 processor |
| 07/21/2010 | CN201533395U Acoustic generator system and electronic equipment applying same |
| 07/21/2010 | CN201533391U Audio output impedance regulating circuit |
| 07/21/2010 | CN1856188B Acoustic device, delay calculating method and recording media |
| 07/21/2010 | CN101783991A Filter circuit |
| 07/21/2010 | CN101783990A Linear control system, linear control device and linear control method of mobile equipment |
| 07/21/2010 | CN101783989A Voice sensing device |
| 07/21/2010 | CN101783988A Vehicle external amplifier for generating high power |
| 07/21/2010 | CN101783828A Sound signal adjustment apparatus and method, and telephone device |
| 07/20/2010 | USRE41445 Arrangement for suppressing an interfering component of an input signal |
| 07/20/2010 | US7761291 Method for processing audio-signals |
| 07/20/2010 | US7760891 Focused hypersonic communication |
| 07/20/2010 | US7760888 Howling suppression device, program, integrated circuit, and howling suppression method |
| 07/20/2010 | US7760887 Updating modeling information based on online data gathering |
| 07/20/2010 | US7760248 Selective sound source listening in conjunction with computer interactive processing |
| 07/15/2010 | WO2010079835A1 Loudspeaker system and sound emission/collection method |
| 07/15/2010 | WO2010079596A1 Audio controller and audio output device |
| 07/15/2010 | WO2010079526A1 Noise cancellation device and noise cancellation program |
| 07/15/2010 | WO2010042835A3 Multidirectional multisound information system |
| 07/15/2010 | WO2010014663A3 Method for adaptive control and equalization of electroacoustic channels |
| 07/15/2010 | WO2009136198A3 Capacitive transducer circuit and method |
| 07/15/2010 | US20100179806 Method for phase mismatch calibration for an array microphone and phase calibration module for the same |
| 07/15/2010 | US20100179672 Interactive Sound Reproducing |
| 07/15/2010 | US20100177913 Microphone preamplifier circuit and voice sensing devices |
| 07/15/2010 | US20100177909 Beamforming system comprising a transducer assembly |
| 07/15/2010 | US20100177908 Adaptive beamformer using a log domain optimization criterion |
| 07/15/2010 | DE112007003625T5 Echounterdrückungsvorrichtung, echounterdrückungssystem, Echounterdrückungsverfahren und Computerprogramm Echo suppressor echo cancellation system, echo cancellation method, and computer program |
| 07/15/2010 | DE102009004300A1 Ear protection device has ear closing element, digital filter and loudspeaker provided in ear closing element, where digital filter is provided to absorb different frequency ranges of received acoustic signals |
| 07/15/2010 | DE102009004246A1 Dynamic electro-mechanical speaker, particularly for use in electronic systems e.g. tube systems, broadband audio systems, comprises high-end audio amplifier, where high-ohm-loudspeaker is provided with tubes |
| 07/15/2010 | CA2747655A1 Telephony and digital media services device |
| 07/14/2010 | EP2207261A1 Audio device, AV system having the audio device, and method to control the audio device |
| 07/14/2010 | EP2206359A1 Acoustic transducer |
| 07/14/2010 | CN201528418U Closed loop localization servo sound system for loudspeaker vibration systems |
| 07/14/2010 | CN201525353U Automobile anti-theft and robbery-proof controller |
| 07/14/2010 | CN201525327U Array microphone adopting dual-electret microphones |
| 07/14/2010 | CN101779476A Dual omnidirectional microphone array |
| 07/14/2010 | CN101779442A Audio conference system |
| 07/14/2010 | CN101778322A Microphone array postfiltering sound enhancement method based on multi-models and hearing characteristic |
| 07/14/2010 | CN101778320A Microphone key-press earphone and state identification method |
| 07/14/2010 | CN101777372A Reproduction device and reproduction method |
| 07/14/2010 | CN101776945A Notebook computer |
| 07/13/2010 | US7757264 Audiovisual reproduction system |
| 07/13/2010 | US7756712 Signal processing method and module involving rearranging of frequency domain data on a variable axis |
| 07/13/2010 | US7756279 Microphone preamplifier |
| 07/13/2010 | US7756278 Ultra-directional microphones |
| 07/13/2010 | US7756277 Distributed audio system |
| 07/13/2010 | US7756276 Audio amplification apparatus |
| 07/08/2010 | WO2010076412A2 Method and device for estimating source signals from a mixture signal |
| 07/08/2010 | WO2010076222A1 An audio equipment and a signal processing method thereof |