Patents for H04R 3 - Circuits for transducers (18,190) |
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07/08/2010 | WO2010044002A3 Microphone system and method of operating the same |
07/08/2010 | US20100172529 Method and apparatus for detecting user activities from within a hearing assistance device using a vibration sensor |
07/08/2010 | US20100172519 Bone-conduction microphone built-in headset |
07/08/2010 | US20100172518 Microphone and orientation sensor assembly |
07/08/2010 | US20100172517 Microphone Preamplifier Circuit and Voice Sensing Devices |
07/07/2010 | EP2204904A2 Single supply direct drive amplifier |
07/07/2010 | EP2203731A1 Acoustic source separation |
07/07/2010 | CN201523443U Digital frequency modulation display earphone |
07/07/2010 | CN101772965A Behind-the-ear hearing aid with microphone mounted in opening of ear canal |
07/07/2010 | CN101771913A Method for controlling bass sound reproduction of audio frequency signal and method |
07/07/2010 | CN101771912A Acoustic sensing device |
07/07/2010 | CN101771909A Reproducing apparatus and headphone apparatus |
07/07/2010 | CN101771390A Sound input/output system and volume output adjusting method thereof |
07/07/2010 | CN101771385A Power amplification circuit and thermally induced sound-producing device with power amplification circuit |
07/07/2010 | CN101766420A Pillow with sound-playing function and playing method thereof |
07/06/2010 | US7751575 Microphone system for communication devices |
07/06/2010 | US7751573 Clip state display method, clip state display apparatus, and clip state display program |
07/06/2010 | CA2462634C System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
07/01/2010 | WO2010075035A2 A vehicular microphone system and method for post processing optimization of a microphone signal |
07/01/2010 | WO2010074658A1 System and method for dynamic bass frequency control |
07/01/2010 | WO2010074583A1 Elevated toroid microphone apparatus and method |
07/01/2010 | WO2010073598A1 Balance signal output type sensor |
07/01/2010 | WO2010073336A1 Sound field correction system |
07/01/2010 | WO2010073193A1 Speech capturing and speech rendering |
07/01/2010 | WO2010036321A3 Self-steering directional hearing aid and method of operation thereof |
07/01/2010 | US20100166229 Charge pump circuits |
07/01/2010 | US20100166228 Apparatus and method for biasing a transducer |
07/01/2010 | US20100166227 Circuits for biasing/charging high impedance loads |
07/01/2010 | US20100166223 Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port |
07/01/2010 | US20100166212 Sound emission and collection device |
07/01/2010 | DE112007003603T5 Tonempfangsanordnung, Richtcharakteristik-Ableitungsverfahren, Richtcharakteristik-Ableitungsvorrichtung und Computerprogramm Tonempfangsanordnung, directional characteristic derivation method, directional characteristic derivation apparatus and computer program |
06/30/2010 | EP2202997A2 Anti-feedback device and anti-feedback method |
06/30/2010 | EP2202880A1 Audio power amplifier |
06/30/2010 | EP2201564A1 Enhanced sound source localization system and method by using a movable microphone array |
06/30/2010 | CN201518539U Loudspeaker having waterproof and dustproof functions |
06/30/2010 | CN201518536U 音频控制电路和终端设备 Audio control circuit and terminal equipment |
06/30/2010 | CN201518535U Mini sound box powered through USB interface of computer |
06/30/2010 | CN201518534U Analog microphone control module |
06/30/2010 | CN101765982A Echo canceller |
06/30/2010 | CN101765043A Sound head polar plate of elliptical microphone |
06/30/2010 | CN101765042A Sonic wave output device, voice communication device, sonic wave output method and program |
06/30/2010 | CN101765041A Audio-frequency playing equipment and method for reducing environmental noises generated during audio-frequency playing |
06/30/2010 | CN101765040A Control module for simulation microphone |
06/30/2010 | CN101763857A Device producing responses according to voice and screen content changes on mobile equipment |
06/30/2010 | CN101763716A Wireless volume control module |
06/29/2010 | US7747295 Earphone jack for eliminating power noise in mobile communication terminal, and operating method thereof |
06/29/2010 | US7747029 Screen for playing audible signals by demodulating ultrasonic signals having the audible signals |
06/29/2010 | US7747028 Apparatus and method for improving voice clarity |
06/29/2010 | US7747026 Soundbridge test system |
06/29/2010 | US7747001 Speech signal processing with combined noise reduction and echo compensation |
06/29/2010 | CA2445955C Microphone-tailored equalizing system |
06/24/2010 | WO2010071521A1 Systems and methods for improving the intelligibility of speech in a noisy environment |
06/24/2010 | WO2010071157A1 Sound collection device |
06/24/2010 | WO2010071008A1 Audio outputting apparatus, video/audio reproducing apparatus and audio outputting method |
06/24/2010 | WO2010070552A1 Speech signal processing |
06/24/2010 | US20100161839 Electronic processing apparatus and configuration method |
06/24/2010 | US20100158277 Read-out circuit with high input impedance |
06/24/2010 | US20100158276 Digital microphone |
06/24/2010 | US20100158268 Toroid microphone apparatus |
06/24/2010 | US20100158267 Microphone Array Calibration Method and Apparatus |
06/24/2010 | US20100158263 Masking Based Gain Control |
06/23/2010 | EP2200340A1 Sound processing methods and apparatus |
06/23/2010 | EP2200339A2 Sound outputting apparatus to correct sound quality and method of correcting sound quality thereof |
06/23/2010 | EP2200338A2 Apparatus and method for generating directional sound |
06/23/2010 | EP2198312A1 Electrostatic device for damping a mechanical vibration movement of a resonant moving object |
06/23/2010 | EP1076928B1 User adjustable volume control that accommodates hearing |
06/23/2010 | CN201515435U Digital television set-top box with sound-source broadcast function |
06/23/2010 | CN201514762U Voice fixed-point player |
06/23/2010 | CN201514761U Household voice controller |
06/23/2010 | CN1791283B Nasal bone conduction hearing aid |
06/23/2010 | CN101754082A Method and device for switching sound tracks according to horizontal or vertical arrangement of loudspeaker box |
06/23/2010 | CN101754076A Induction type self-adapting electronic loudspeaker |
06/23/2010 | CN101754071A Noise cancelling headphone |
06/23/2010 | CN101753922A System for improving playback distortion factor and television |
06/23/2010 | CN101753383A Distributed mike system |
06/23/2010 | CN101753223A Wireless data transmission method of cochlea |
06/23/2010 | CN101746300A Audio headrest for attachment to a seat of a vehicle |
06/23/2010 | CN101442051B Monocrystallinetype knot-type field effect tube device and preparation method thereof |
06/23/2010 | CN101159995B Reproducing apparatus and method |
06/22/2010 | US7742606 System for audio related equipment management |
06/17/2010 | WO2010068455A1 Methods and apparatus for suppressing ambient noise using multiple audio signals |
06/17/2010 | WO2010039193A8 Multi-display handheld device and supporting system |
06/17/2010 | WO2007110693A8 Sony ericsson mobile communications ab |
06/17/2010 | US20100150368 Apparatus, System, and Method for Audio Communications |
06/17/2010 | US20100150364 Method for Determining a Time Delay for Time Delay Compensation |
06/17/2010 | US20100150360 Audio source localization system and method |
06/17/2010 | DE102008061844A1 Hörer und Headset Handset and headset |
06/16/2010 | EP2197219A1 Method for determining a time delay for time delay compensation |
06/16/2010 | EP2197105A1 Electronic device |
06/16/2010 | EP2196790A1 Procedure and device for testing the air noise of a motor vehicle |
06/16/2010 | CN201509297U Electrical signal processing circuit of condenser microphone |
06/16/2010 | CN201509296U Sound pressure control device for automobile horn |
06/16/2010 | CN201509295U Non-debugging contactless loudspeaker controller used for vehicle |
06/16/2010 | CN201509294U Double-functional microphone earphone |
06/16/2010 | CN201509251U Digital camera with function of clear sound recording |
06/16/2010 | CN1681204B Sound signal processing apparatus and sound signal processing method |
06/16/2010 | CN1670823B Method for detecting and reducing noise from a microphone array |
06/16/2010 | CN1665348B Electret condenser microphone with noise isolation and electrostatic discharge protection function |
06/16/2010 | CN1640190B Dynamic range compression using digital frequency warping |
06/16/2010 | CN101743759A Serially connected microphones |