| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 06/29/2011 | CN201887930U Special headphone for multimedia classroom |
| 06/29/2011 | CN201887926U Wireless headphone applicable to listening test |
| 06/29/2011 | CN201887922U Adapting earphone |
| 06/29/2011 | CN201887912U Multifunctional digital sound box |
| 06/29/2011 | CN201886772U Sound playing system and moving picture experts group audio layer-3 (MP3) decoding controller |
| 06/29/2011 | CN102113346A Method for adaptive control and equalization of electroacoustic channels |
| 06/29/2011 | CN102113345A 差动麦克风 Differential microphone |
| 06/29/2011 | CN102111698A Device and method for processing signal |
| 06/29/2011 | CN102111697A Method and device for controlling noise reduction of microphone array |
| 06/29/2011 | CN102111694A Voice greeting device |
| 06/28/2011 | US7970159 Headphoning |
| 06/28/2011 | US7970155 Video/audio output device and external speaker control apparatus |
| 06/28/2011 | US7970154 Condenser microphone |
| 06/28/2011 | US7970153 Audio output apparatus |
| 06/28/2011 | US7970152 Method and device for matching the phases of microphone signals of a directional microphone of a hearing aid |
| 06/28/2011 | US7970151 Hybrid beamforming |
| 06/28/2011 | US7970150 Tracking talkers using virtual broadside scan and directed beams |
| 06/28/2011 | US7970147 Video game controller with noise canceling logic |
| 06/23/2011 | WO2011074975A1 Toroid microphone apparatus |
| 06/23/2011 | WO2011074341A1 Acoustic system |
| 06/23/2011 | WO2011074212A1 Audio processing device |
| 06/23/2011 | WO2011073735A1 Activity actuated speech enhancement in multi-microphone teleconference systems |
| 06/23/2011 | US20110151895 Mobile monitoring device and monitoring system for electronic equipment |
| 06/23/2011 | US20110150243 Charging circuit and amplifier |
| 06/22/2011 | EP2337376A1 Loop gain estimating apparatus and howling preventing apparatus |
| 06/22/2011 | EP2335425A2 Self-steering directional hearing aid and method of operation thereof |
| 06/22/2011 | DE102009059680A1 Verfahren zur Ausgabe von Musik-Informationen in einem Fahrzeug Method for outputting music information in a vehicle |
| 06/22/2011 | CN201878295U Waterproof MP3 sound device |
| 06/22/2011 | CN102105234A Output adjusting circuit, ultrasonic vibration device component, and ultrasonic vibration device |
| 06/22/2011 | CN102104821A Method and hearing device for feedback recognition and suppression with a directional microphone |
| 06/22/2011 | CN102104816A Group-delay based bass management |
| 06/21/2011 | US7966178 Device and method for voice activity detection based on the direction from which sound signals emanate |
| 06/21/2011 | US7966084 Communication terminals with a tap determination circuit |
| 06/21/2011 | US7965850 Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatus |
| 06/21/2011 | US7965847 Speaker system |
| 06/16/2011 | WO2011070971A1 Control device, method, and program |
| 06/16/2011 | US20110142263 System and method for biasing active devices |
| 06/16/2011 | US20110142253 Recording/reproducing apparatus |
| 06/16/2011 | US20110142252 Source sound separator with spectrum analysis through linear combination and method therefor |
| 06/16/2011 | US20110142250 Gradient coil noise masking for mpi device |
| 06/15/2011 | EP2334098A1 Acoustic reproduction device |
| 06/15/2011 | EP2332344A1 Dual-mode loudspeaker |
| 06/15/2011 | EP1625740B1 Microphone circuit having adjustable directivity pattern for reducing loudspeaker feedback and method of operating the same |
| 06/15/2011 | EP1561363B1 Voice input interface |
| 06/15/2011 | CN201869347U Energy-saving control device of sound amplifier |
| 06/15/2011 | CN201869346U Sound signal processing device of infrared wireless microphone for teaching |
| 06/15/2011 | CN201869345U Vehicle-mounted sound system capable of accessing Internet |
| 06/15/2011 | CN201869339U Multifunctional earphone |
| 06/15/2011 | CN201869338U Comfortable wireless earphone |
| 06/15/2011 | CN201869333U Interview speaker for print media reporters |
| 06/15/2011 | CN1627635B Signal compression/expansion device and mobile communication terminal |
| 06/15/2011 | CN102100085A Sound reproduction system, carrier, method for generating a correction profile and sound reproduction method |
| 06/15/2011 | CN102100084A Method and apparatus for rendering ambient signals |
| 06/15/2011 | CN102098610A Loudspeaker unit, loudspeaking device and orientated sound wave bird driving device |
| 06/15/2011 | CN102098609A Filterless electrostatic transducer loudspeaker |
| 06/15/2011 | CN102098608A Parametric acoustic array audio playback system and modulation method thereof |
| 06/15/2011 | CN102098607A Apparatus and method for increasing volumn in portable terminal |
| 06/15/2011 | CN102098606A Method and device for dynamically adjusting volume |
| 06/15/2011 | CN102098603A Drive-by-wire earphone and electronic device provided with same |
| 06/15/2011 | CN102098015A Volume output adjusting circuit |
| 06/14/2011 | US7961892 Apparatus and method for monitoring speaker cone displacement in an audio speaker |
| 06/09/2011 | WO2011068901A1 Audio zoom |
| 06/09/2011 | WO2011068192A1 Acoustic conversion device |
| 06/09/2011 | WO2011068012A1 Audio output circuit and electric device |
| 06/09/2011 | US20110135118 Microphone suitable for professional live performance |
| 06/09/2011 | US20110135117 Enhanced surround sound experience |
| 06/09/2011 | US20110135102 Method, computer readable storage medium and system for localizing acoustic source |
| 06/09/2011 | DE202011004897U1 Beschallungsvorrichtung, insbesondere für Live-Musik Sonicator, especially for live music |
| 06/09/2011 | DE102010049654A1 Verfahren zum Feststellen von Zusatzgeräten an einem Audioklingenanschluss A method for detecting additional equipment to an audio port blades |
| 06/08/2011 | EP2330831A1 Microphone assembly |
| 06/08/2011 | EP2329659A2 A switch for a hearing aid |
| 06/08/2011 | EP2329658A1 Circuit arrangement for providing an analog signal, and electronic apparatus |
| 06/08/2011 | CN201860440U Noise eliminating device |
| 06/08/2011 | CN201860439U Interface circuit capable of realizing multiplexing of serial port and infrared function |
| 06/08/2011 | CN102088649A Sound transceiver and detection method thereof |
| 06/08/2011 | CN102088648A Method for dynamic suppression of surrounding acoustic noise when listening to electrical inputs |
| 06/08/2011 | CN101228810B Sound system for conference |
| 06/07/2011 | US7957542 Adaptive beamformer, sidelobe canceller, handsfree speech communication device |
| 06/07/2011 | US7957540 Automobile audio system |
| 06/03/2011 | WO2011065003A1 Acoustic feedback suppression device, microphone device, amplifier device, sound amplification system, and acoustic feedback suppression method |
| 06/03/2011 | WO2011064438A1 Audio zooming process within an audio scene |
| 06/03/2011 | WO2011063857A1 An apparatus |
| 06/03/2011 | WO2011063830A1 An apparatus |
| 06/03/2011 | WO2011026113A3 Hearing aid feedback noise alarms |
| 06/03/2011 | WO2011021841A3 Multi-amplifier audio module for a multichannel speaker, and multi-amplifier audio module housing assembly for same |
| 06/03/2011 | CA2781702A1 An apparatus |
| 06/02/2011 | US20110130915 Health monitoring systems and methods with vehicle identification |
| 06/02/2011 | US20110129101 Directional Microphone |
| 06/01/2011 | EP1485968B1 Beam forming array of transducers |
| 06/01/2011 | CN201854405U Energy-saving device of computer speaker |
| 06/01/2011 | CN201854404U Audio signal acquisition and analysis system for vehicle-mounted sound system |
| 06/01/2011 | CN201854400U Integrated earmuff type earphones |
| 06/01/2011 | CN201854396U Head-wearing noise reduction earphone |
| 06/01/2011 | CN201854391U Wireless communication equipment with bone conduction microphone and transmitter in flexible connection |
| 06/01/2011 | CN201854390U Power supply equipment, processing chip for digital microphone and digital microphone |
| 06/01/2011 | CN201847696U Multifunctional electronic stethoscope |
| 06/01/2011 | CN1914949B Method for adjusting adaptation control of adaptive interference canceller |
| 06/01/2011 | CN102084667A Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium |
| 06/01/2011 | CN102082983A Crackle suppression circuit |
| 06/01/2011 | CN102081960A Sonic boom-eliminating circuit |