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