| 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 |