| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 05/22/2013 | CN101621730B Apparatus and method for detecting acoustic feedback |
| 05/22/2013 | CN101592973B Regulating device and audio amplifier |
| 05/21/2013 | US8447049 Programmable microphone |
| 05/16/2013 | WO2013069620A1 Microphone array arrangement structure in vehicle cabin |
| 05/16/2013 | WO2013069556A1 Headphone device, terminal device, information transmission method, program, and headphone system |
| 05/16/2013 | WO2013069229A1 Voice input/output device, method and programme for preventing howling |
| 05/16/2013 | WO2013069178A1 Voice control device, voice control method and program |
| 05/16/2013 | WO2013069066A1 Control device, reproduction apparatus, reproduction system, control method for control device, and program therefor |
| 05/16/2013 | WO2013068359A1 Method for reducing parasitic vibrations of a loudspeaker environment and associated processing device |
| 05/16/2013 | WO2013068284A1 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field |
| 05/16/2013 | WO2013068283A1 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field |
| 05/16/2013 | WO2013067958A1 Headset circuit |
| 05/16/2013 | WO2013067713A1 Environmental noise suppression circuit |
| 05/16/2013 | US20130121505 Microphone array configuration and method for operating the same |
| 05/16/2013 | US20130121504 Microphone array with daisy-chain summation |
| 05/16/2013 | US20130121500 Driving of parametric loudspeakers |
| 05/16/2013 | US20130121498 Noise reduction using microphone array orientation information |
| 05/16/2013 | DE102011118644A1 Ultraschallwandler und korrespondierende Vorrichtung zur Umfelderfassung in einem Fahrzeug Ultrasonic transducers and corresponding apparatus for detecting the surroundings in a vehicle |
| 05/15/2013 | EP2592846A1 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field |
| 05/15/2013 | EP2592845A1 Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field |
| 05/15/2013 | EP2592816A1 Short range wireless communication apparatus and method for improving phone sound quality |
| 05/15/2013 | CN202940957U Sound receiving system |
| 05/15/2013 | CN202940956U 传声器防盗装置 Microphone anti-theft device |
| 05/15/2013 | CN202940943U Earphone with double built-in loudspeakers |
| 05/15/2013 | CN202940875U Fire fighting truck obstacle-free communication system |
| 05/15/2013 | CN202940796U Novel digital-to-analog conversion circuit |
| 05/15/2013 | CN103109545A Active and passive directional acoustic radiating |
| 05/15/2013 | CN103108454A Multifunctional wireless light-emitting diode (LED) device and multifunctional wireless loud speaker box system |
| 05/15/2013 | CN103108453A Multifunctional light-emitting diode (LED) device and multifunctional loud speaker box system |
| 05/15/2013 | CN103108272A Modulation method for modulating airflow sound source and sensorless closed loop |
| 05/15/2013 | CN103108271A Microphone array with daisy-chain summation |
| 05/15/2013 | CN103108270A Method and apparatus for protecting electro dynamic transducer from heat overload |
| 05/15/2013 | CN103108263A Bag-type speaker box |
| 05/15/2013 | CN103106021A Handheld device and control method thereof |
| 05/15/2013 | CN101783990B Linear control system, linear control device and linear control method of mobile equipment |
| 05/15/2013 | CN101742380B Mute circuits, related electronic devices and method of eliminating audible noise |
| 05/14/2013 | US8442256 Boundary microphone and desktop electro-acoustic transducer |
| 05/14/2013 | US8441352 Personal security backpack and method |
| 05/14/2013 | CA2795189A1 Automatic gain control |
| 05/10/2013 | WO2013065010A1 Sound processing with increased noise suppression |
| 05/10/2013 | WO2013028667A3 Receiver acoustic low pass filter |
| 05/10/2013 | WO2012069973A9 A device comprising a plurality of audio sensors and a method of operating the same |
| 05/09/2013 | US20130114833 Microphone filter system |
| 05/09/2013 | US20130114830 Determining a configuration for an audio processing operation |
| 05/09/2013 | US20130114822 Piezoelectric microphones |
| 05/08/2013 | EP2590435A1 Vibration device |
| 05/08/2013 | EP2590434A1 Filter circuit |
| 05/08/2013 | EP2590433A2 Apparatus and method for tracking locations of plurality of sound sources |
| 05/08/2013 | EP2590432A1 Conversation detection device, hearing aid and conversation detection method |
| 05/08/2013 | EP2590431A1 Sound generation system, ultrasonic wave emitting device, and ultrasonic wave emitting method |
| 05/08/2013 | CN202931540U Induction sound box |
| 05/08/2013 | CN202931539U Control circuit of audio frequency equipment and audio frequency play system |
| 05/08/2013 | CN202931538U Sound controlling circuit |
| 05/08/2013 | CN202931517U Interesting remote-control sound equipment |
| 05/08/2013 | CN202931313U Data signal transmission system and signal transmission control system |
| 05/08/2013 | CN103098495A Sound reproduction device |
| 05/08/2013 | CN103098123A Sound masking device and sound masking method |
| 05/08/2013 | CN103096231A High loudness electronic hearing aid |
| 05/08/2013 | CN103096217A Acoustic system |
| 05/08/2013 | CN103096216A Audio processing circuit and earphone |
| 05/08/2013 | CN103096215A Interference locating method and device of portable type active invisible earphone |
| 05/08/2013 | CN103096214A Magnetic shielding device and magnetic shielding method of earphone circuit board |
| 05/08/2013 | CN103096213A Wireless microphone capable of avoiding same frequency interference |
| 05/08/2013 | CN103096212A Low-voltage single-tube frequency modulation wireless microphone |
| 05/08/2013 | CN103096211A Microphone filter circuit |
| 05/08/2013 | CN103096210A Signal connecting module, electronic device and connector identification method thereof |
| 05/08/2013 | CN103096198A Induction microphone circuit and method of achieving induction microphone |
| 05/08/2013 | CN103095909A Smart phone base stereo and sharing implementation method and channel switching method |
| 05/08/2013 | CN103093778A Audio processing system and adjusting method for audio signal buffer |
| 05/08/2013 | CN101860778B Amplifier circuit of capacitor microphone |
| 05/08/2013 | CN101833966B Reproducing device and reproducing method |
| 05/08/2013 | CN101489165B Audio frequency compensation apparatus |
| 05/07/2013 | US8437483 Active snubber for improving stability of headphone amplifiers |
| 05/02/2013 | WO2013062038A1 Digital acoustic system |
| 05/02/2013 | WO2013061252A2 Post-filter common-gain determination |
| 05/02/2013 | WO2013060761A1 Acoustic chamber including a coaxial loudspeaker having a controlled and variable directivity |
| 05/02/2013 | WO2013060077A1 Method and apparatus for channel equalization and beam control of digital speaker array system |
| 05/02/2013 | WO2013036039A3 Method and apparatus for processing audio signal |
| 05/02/2013 | US20130108083 Audio processing system and adjusting method for audio signal buffer |
| 05/02/2013 | US20130108082 Microphone assembly |
| 05/02/2013 | US20130108074 Microphone |
| 05/02/2013 | US20130108073 Method and apparatus for providing audio from one or more speakers |
| 05/02/2013 | US20130108070 Headset Systems And Related Methods |
| 05/02/2013 | US20130107028 Microphone Device, Microphone System and Method for Controlling a Microphone Device |
| 05/02/2013 | DE102011116991A1 Geräuschunterdrückungssystem und Verfahren zur Geräuschunterdrückung Noise suppression system and method for noise suppression |
| 05/02/2013 | DE102011085361A1 Mikrofoneinrichtung Microphone device |
| 05/02/2013 | CA2853294A1 A method and device of channel equalization and beam controlling for a digital speaker array system |
| 05/01/2013 | EP2587836A1 A method and device of channel equalization and beam controlling for a digital speaker array system |
| 05/01/2013 | EP2587835A1 Tunable multichannel headphone and method for assembling the same |
| 05/01/2013 | EP2586218A1 Microphone interference detection method and apparatus |
| 05/01/2013 | CN202918481U Music warming earmuff |
| 05/01/2013 | CN202918480U Wireless sound box |
| 05/01/2013 | CN202918479U Megaphone used for safety breathing mask |
| 05/01/2013 | CN202918478U Control device of passenger car sound equipment horn |
| 05/01/2013 | CN202918477U High-efficiency integrated circuit board |
| 05/01/2013 | CN103081511A Howling detection device, howling suppressing device and method of detecting howling |
| 05/01/2013 | CN103081356A Method and system for controlling distortion in a critical frequency band of an audio signal |
| 05/01/2013 | CN103079149A Method for restore field sound in highly true way by using two-channel sound source |
| 05/01/2013 | CN103079148A Method and device for reducing noise of two microphones of terminal |
| 05/01/2013 | CN103079147A 多媒体音箱 Multimedia speakers |