| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 03/09/2011 | EP2293595A1 Acoustic echo canceller and acoustic echo cancel method |
| 03/09/2011 | EP2293594A1 Method for filtering lateral non stationary noise for a multi-microphone audio device |
| 03/09/2011 | EP2292020A1 Hearing assistance apparatus |
| 03/09/2011 | CN201758444U Audio signal distributor |
| 03/09/2011 | CN201758443U High definition sound equipment |
| 03/09/2011 | CN201758437U Microphone capable of being automatically turned off by detecting voice |
| 03/08/2011 | US7903829 Microphone |
| 03/08/2011 | US7903500 Device for localizing acoustic sources and measuring their intensities |
| 03/03/2011 | WO2011026113A2 Hearing aid feedback noise alarms |
| 03/03/2011 | WO2011025461A1 A directional sound system |
| 03/03/2011 | WO2011024978A1 Sound signal processing device |
| 03/03/2011 | WO2011024329A1 Ultrasonic sound reproduction method and ultrasonic sound reproduction device |
| 03/03/2011 | WO2011023723A1 Wireless microphone unit, wireless pocket transmitter and method for wireless audio transmission |
| 03/03/2011 | US20110052139 Imaging Device And Playback Device |
| 03/03/2011 | US20110051953 Calibrating multiple microphones |
| 03/03/2011 | US20110051952 Sound source identifying and measuring apparatus, system and method |
| 03/03/2011 | US20110051951 Calibrated Dual Omnidirectional Microphone Array (DOMA) |
| 03/03/2011 | US20110051950 Calibrating a Dual Omnidirectional Microphone Array (DOMA) |
| 03/03/2011 | US20110051948 Method of correcting errors in binary masks |
| 03/03/2011 | DE102010029835A1 Phasen-Reserven-Veränderung bei Transkonduktanzoperations-Verstärkern Phase-change in reserves Transkonduktanzoperations amplifiers |
| 03/02/2011 | EP2291006A1 Feedback cancellation device |
| 03/02/2011 | EP2291002A1 Acoustic processing apparatus |
| 03/02/2011 | EP2291001A1 Microphone device |
| 03/02/2011 | EP2290813A1 Sound volume adjusting apparatus |
| 03/02/2011 | CN201754266U Rotationally foldable keyboard and loudspeaker box combination |
| 03/02/2011 | CN101983513A Audio signal processing device, audio signal processing system, and audio signal processing method |
| 03/01/2011 | US7899197 Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant, ultrasonic speaker, display device and directional acoustic system |
| 03/01/2011 | US7899196 Digital microphone |
| 03/01/2011 | US7899165 Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method |
| 02/24/2011 | WO2011021841A2 Multi-amplifier audio module for a multichannel speaker, and multi-amplifier audio module housing assembly for same |
| 02/24/2011 | US20110044477 Quick-Coupling Wireless Microphone |
| 02/24/2011 | US20110044460 method of combining at least two audio signals and a microphone system comprising at least two microphones |
| 02/24/2011 | DE102009042316A1 Audioadapter, Ohrhörer und Lautsprecherbox Audio adapter, earphones and speaker |
| 02/24/2011 | DE102009021310B4 Binaurale Hörvorrichtung und Verfahren zum Betrieb einer binauralen Hörvorrichtung mit Frequenzverzerrung Binaural hearing apparatus and method for operating a binaural hearing apparatus with frequency distortion |
| 02/23/2011 | EP2286600A1 A method of combining at least two audio signals and a microphone system comprising at least two microphones |
| 02/23/2011 | CN201752133U 多媒体装置 Multimedia devices |
| 02/23/2011 | CN101981945A 主动噪声控制装置 Active noise control device |
| 02/23/2011 | CN101981944A Surround sound generation from a microphone array |
| 02/23/2011 | CN101981943A Speech processing device |
| 02/23/2011 | CN101981942A Microphone unit, voice input device of close-talking type, information processing system, and method for manufacturing microphone unit |
| 02/23/2011 | CN101980547A Earphone |
| 02/22/2011 | US7895038 Signal enhancement via noise reduction for speech recognition |
| 02/22/2011 | US7895036 System for suppressing wind noise |
| 02/22/2011 | US7894769 Wireless microphone communication system |
| 02/22/2011 | US7894616 Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge |
| 02/22/2011 | US7894614 System and method for achieving extended low-frequency response in a loudspeaker system |
| 02/17/2011 | WO2010135925A8 Flat speaker unit and speaker device therewith |
| 02/17/2011 | US20110038497 Microphone Devices and Methods for Tuning Microphone Devices |
| 02/17/2011 | US20110038489 Systems, methods, apparatus, and computer-readable media for coherence detection |
| 02/17/2011 | US20110038486 System and method for automatic disabling and enabling of an acoustic beamformer |
| 02/17/2011 | US20110038229 Audio source localization system and method |
| 02/16/2011 | EP2208358B1 Microphone arrangement |
| 02/16/2011 | EP1423985B1 Speaker equalization tool |
| 02/16/2011 | CN201750537U Contactless type loudspeaker system with counting function |
| 02/16/2011 | CN201750536U Automatic switching on/off mute circuit of embedded audio-video equipment |
| 02/16/2011 | CN201750535U Circuit automatically adapting to moving-coil type microphone and electret type microphone |
| 02/16/2011 | CN1879446B Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 02/16/2011 | CN101978705A Acoustic passive radiating |
| 02/16/2011 | CN101977345A KTV (Karaok Television) compartment sound box system |
| 02/15/2011 | US7890284 Identification system and method for recognizing any one of a number of different types of devices |
| 02/15/2011 | US7889882 Selectable diaphragm condenser microphone |
| 02/15/2011 | US7889878 Speaker array apparatus and method for setting audio beams of speaker array apparatus |
| 02/15/2011 | US7889873 Microphone aperture |
| 02/10/2011 | US20110033063 Surround sound generation from a microphone array |
| 02/10/2011 | US20110033062 Acoustic velocity microphone using a buoyant object |
| 02/09/2011 | EP2282555A2 Automatic bass management |
| 02/09/2011 | EP2282554A1 Voice input device and manufacturing method thereof, and information processing system |
| 02/09/2011 | CN201742555U Broadcast amplifier with multifunctional business broadcasting amplification |
| 02/09/2011 | CN201742540U Noise elimination system |
| 02/09/2011 | CN201742539U Ear-protection type ear plug |
| 02/09/2011 | CN201742518U Minitype portable simulating water-flow sounder |
| 02/09/2011 | CN201741203U Intelligent voice broadcasting device for vending machine |
| 02/09/2011 | CN201736891U Intelligent automobile whistling device |
| 02/09/2011 | CN1965609B Ultrasonic transducer and ultrasonic speaker using the same |
| 02/09/2011 | CN101969592A Sound recording apparatus and method |
| 02/08/2011 | US7885991 Digital filter having a fir filter and a warped fir filter, and a listening device including such a digital filter |
| 02/08/2011 | US7885420 Wind noise suppression system |
| 02/03/2011 | WO2011012789A1 Source location |
| 02/03/2011 | WO2010099237A4 Speaker distortion reduction system and method |
| 02/03/2011 | US20110026734 System for Suppressing Wind Noise |
| 02/03/2011 | US20110026732 System for Detecting and Reducing Noise via a Microphone Array |
| 02/03/2011 | US20110026731 Microphone circuit and method for preventing microphone circuit from generating noise when reset |
| 02/03/2011 | US20110026730 Audio processing apparatus and method |
| 02/03/2011 | US20110026722 Vibration Sensor and Acoustic Voice Activity Detection System (VADS) for use with Electronic Systems |
| 02/03/2011 | DE102005035763B4 Lautsprechersystem mit aktivem Bassreflex-Prinzip Speaker system with active bass reflex principle |
| 02/02/2011 | EP2280559A1 Audio input device, method for manufacturing the same, and information processing system |
| 02/02/2011 | EP2280558A1 Integrated circuit device, sound inputting device and information processing system |
| 02/02/2011 | EP2279628A1 Surround sound generation from a microphone array |
| 02/02/2011 | CN201733430U Automobile sound circuit, automobile sound installation and automobile |
| 02/02/2011 | CN201733429U Blue tooth connecting device of navigator and vehicle-mounted audio |
| 02/02/2011 | CN201733428U Audio output circuit and mobile terminal with the same |
| 02/02/2011 | CN201733427U Circuit and corresponding board card for external sound equipment of computer and external sound equipment |
| 02/02/2011 | CN201733426U Intelligent sound volume controller of automobile sound system |
| 02/02/2011 | CN201733425U Novel intelligent automatic sound mixing device for simulating digital mixed transmission mode |
| 02/02/2011 | CN201733327U Directional sound advertising system based on network control |
| 02/02/2011 | CN1960175B Method and apparatus to control output power of a power amplifier and audio player having the same |
| 02/02/2011 | CN101964936A Processing chip for digital microphone, input circuit thereof and digital microphone |
| 02/02/2011 | CN101964935A Audio system |
| 02/02/2011 | CN101964932A Sound source equipment and control method |
| 02/02/2011 | CN101964835A Electronic system with extended function and related method thereof |