| Patents for H04R 3 - Circuits for transducers (18,190) | 
|---|
| 04/29/2008 | US7364007 Integrated acoustic transducer assembly | 
| 04/24/2008 | WO2008048413A2 System and method for compensating memoryless non-linear distortion of an audio transducer | 
| 04/24/2008 | WO2008047804A1 Voice conference device and voice conference system | 
| 04/24/2008 | WO2008046175A1 Throat microphone assembly and communications assembly | 
| 04/24/2008 | US20080095386 Mute circuit for a microphone | 
| 04/24/2008 | CA2665005A1 System and method for compensating memoryless non-linear distortion of an audio transducer | 
| 04/23/2008 | EP1915027A1 Audio reproducing apparatus | 
| 04/23/2008 | EP1915026A2 Audio reproducing apparatus | 
| 04/23/2008 | EP1163824A4 Intelligent speaker training using microphone feedback and pre-loaded templates | 
| 04/23/2008 | CN201051756Y Signal transmission device | 
| 04/23/2008 | CN201051755Y A transmitter amplifier for automatically adjusting output volume | 
| 04/23/2008 | CN201051182Y Audio device with silence device | 
| 04/23/2008 | CN101167405A Method for efficient beamforming using a complementary noise separation filter | 
| 04/23/2008 | CN101167350A Video sound output device and external loudspeaker controller | 
| 04/23/2008 | CN101166019A Audio reproducing apparatus | 
| 04/23/2008 | CN101166018A Audio reproducing apparatus | 
| 04/22/2008 | US7362873 Miniature condenser microphone and fabrication method therefor | 
| 04/17/2008 | WO2008044752A1 Audio apparatus with reduction of perception for self-uttering voice | 
| 04/17/2008 | WO2008043731A1 Method for operating a hearing aid, and hearing aid | 
| 04/17/2008 | WO2007135679A3 Volume and tone control in direct digital speakers | 
| 04/17/2008 | US20080091421 Device And Method For Voice Activity Detection | 
| 04/17/2008 | US20080089536 Microphone Microchip Device with Differential Mode Noise Suppression | 
| 04/17/2008 | US20080089531 Acoustic signal processing apparatus, acoustic signal processing method and computer readable medium | 
| 04/16/2008 | EP1912478A1 Classroom sound amplification system | 
| 04/16/2008 | EP1912468A1 Loudspeaker device | 
| 04/16/2008 | EP1911324A1 Method of correction of acoustic parameters of electro-acoustic transducers and device for its realization | 
| 04/16/2008 | CN101163351A Earphone | 
| 04/16/2008 | CN101163350A Earphone | 
| 04/16/2008 | CN101162894A Sound-effect processing equipment and method | 
| 04/16/2008 | CN100382657C Compensation system and method for sound reproduction | 
| 04/16/2008 | CN100382141C System and method for inhibitting wind noise | 
| 04/15/2008 | US7359523 Fluidic acoustic transducer | 
| 04/15/2008 | US7359519 Method and apparatus for compensating for nonlinear distortion of speaker system | 
| 04/10/2008 | WO2008041730A1 Method and system for detecting wind noise | 
| 04/10/2008 | WO2008041651A1 Acoustic device, table, and mobile terminal device | 
| 04/10/2008 | WO2008041530A1 Speaker array and microphone array | 
| 04/10/2008 | WO2008041387A1 Hands-free telephone conversation apparatus | 
| 04/10/2008 | WO2008041321A1 Signal processing device and broadcast device using the same | 
| 04/10/2008 | WO2008041064A2 Detection circuit for detecting the connection of an accessory to a mobile device and method thereof | 
| 04/10/2008 | WO2007125132A3 Method for feedback cancelling in a hearing device and a hearing device | 
| 04/10/2008 | US20080085013 Feedback cancellation in a sound system | 
| 04/09/2008 | EP1909532A1 Conference audio system | 
| 04/09/2008 | EP1909531A1 Array speaker system and array microphone system | 
| 04/09/2008 | EP1707027B1 Audio signal enhancement | 
| 04/09/2008 | EP0811301B1 Apparatus and method for adaptively precompensating for loudspeaker distortions | 
| 04/09/2008 | CN101159995A Audio reproducing apparatus and program | 
| 04/09/2008 | CN101159991A Audio equipment | 
| 04/09/2008 | CN101158890A Loadspeaker box control driving method and system thereof | 
| 04/08/2008 | US7356151 Microphone system | 
| 04/03/2008 | WO2008037964A1 Nonlinear signal processing | 
| 04/03/2008 | WO2007135682A3 Apparatus for generating pressure and methods of manufacture thereof | 
| 04/03/2008 | US20080080720 System and method for intelligent equalization | 
| 04/03/2008 | DE102007040498A1 Digitalverstärker, Referenzspannungserzeuger und Verfahren zum Reduzieren einer DC-Komponente Digital amplifier, the reference voltage generator and method for reducing a DC component | 
| 04/02/2008 | EP1906706A1 Audio decoder | 
| 04/02/2008 | EP1906702A2 Method for operating control of a hearing device and corresponding hearing device | 
| 04/02/2008 | EP1906697A1 Audio device | 
| 04/02/2008 | EP1905268A2 Apparatus and method for acoustic beamforming | 
| 04/02/2008 | CN201044503Y Portable earphone amplifier | 
| 04/02/2008 | CN201044502Y Loudspeaker box capable of self-regulating sound with alteration of surrounding | 
| 04/02/2008 | CN201044501Y Microphone regulate and control induction controller | 
| 04/02/2008 | CN101155442A A calibrated microelectromechanical microphone | 
| 04/02/2008 | CN101155438A Frequency response adaptive equalization method for audio device | 
| 04/02/2008 | CN101155436A Electronic device and speaker control method | 
| 04/02/2008 | CN101154488A Parameter setting apparatus | 
| 04/01/2008 | US7352876 Method and apparatus for substantially improving power supply rejection performance in a miniature microphone assembly | 
| 04/01/2008 | US7352873 Electret-condenser microphone | 
| 04/01/2008 | CA2441131C Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo | 
| 04/01/2008 | CA2277903C Audio-video reproduction system | 
| 03/27/2008 | WO2008035518A1 Multipoint audio connection apparatus and communication system | 
| 03/27/2008 | US20080075306 Calibrated microelectromechanical microphone | 
| 03/27/2008 | US20080075298 Image sensing apparatus, method of controlling same and storage medium | 
| 03/26/2008 | EP1903833A1 Feedback cancellation in a sound system | 
| 03/26/2008 | EP1716720A4 Projector equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector | 
| 03/26/2008 | CN101150883A Audio output device of display | 
| 03/26/2008 | CN101150881A Earphone jack structure | 
| 03/26/2008 | CN101150688A High-power digital power amplifier integrated system for digital film player | 
| 03/26/2008 | CN101150673A Sound box independently controlled display | 
| 03/25/2008 | CA2390287C Acoustic source range detection system | 
| 03/20/2008 | WO2008032684A1 Wireless microphone device | 
| 03/20/2008 | WO2008032209A2 Controller and user interface for dialogue enhancement techniques | 
| 03/20/2008 | WO1999045741A3 Directional microphone system | 
| 03/20/2008 | US20080069383 Mixing apparatus for audio data, method of controlling the same, and mixing control program | 
| 03/20/2008 | US20080069381 Module having a remote turn-on function for use with a powered subwoofer/speaker | 
| 03/20/2008 | US20080069378 Automatic Audio System Equalizing | 
| 03/19/2008 | EP1901282A2 Speech communications system for a vehicle and method of operating a speech communications system for a vehicle | 
| 03/19/2008 | EP1899954A1 System and method for extracting acoustic signals from signals emitted by a plurality of sources | 
| 03/19/2008 | CN201039460Y Integrated box electronic selling loud-speaker | 
| 03/19/2008 | CN201039448Y A novel MP5 electronic tube power amplifier | 
| 03/19/2008 | CN201039447Y 音箱装置 Speaker unit | 
| 03/19/2008 | CN201039446Y A digital sound-electricity sensor | 
| 03/19/2008 | CN201039422Y Digital microphone | 
| 03/19/2008 | CN201039160Y An earplug cover | 
| 03/19/2008 | CN201038354Y USB acoustic line | 
| 03/19/2008 | CN101147192A Methods and systems for intelligibility measurement of audio announcement systems | 
| 03/19/2008 | CN101146374A Low voice managing method and audio system with low voice management | 
| 03/19/2008 | CN101146373A Audio input/output device and method | 
| 03/19/2008 | CN101144798A Ultrasonic transducer driving circuit and ultrasonic diagnostic apparatus | 
| 03/19/2008 | CN101144797A Ultrasonic transducer driving circuit and ultrasonic diagnostic apparatus | 
| 03/19/2008 | CN100375694C Sound system with equalization for a convertible automobile | 
| 03/18/2008 | US7346315 Handheld device loudspeaker system |