| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 03/18/2008 | US7346176 Auto-adjust noise canceling microphone with position sensor |
| 03/13/2008 | WO2008029478A1 Sound output control apparatus |
| 03/13/2008 | US20080063214 Modulator processing for a parametric speaker system |
| 03/13/2008 | DE202007013037U1 Struktur eines digitalen Verstärkers Structure of a digital amplifier |
| 03/13/2008 | DE102006039455A1 Surface loudspeaker device for installation in building wall, has passive filter unit implemented separately from surface diaphragm for positioning of surface diaphragm independently in limited area, and covering adjusting unit |
| 03/13/2008 | DE102006039454A1 Planar loudspeaker device for use in compact disc player, has passive filter unit provided for integration into building wall and exhibiting adjusting unit with adjusting values designed for predetermined surface layers on surface diaphragm |
| 03/13/2008 | DE102006039453A1 Planar loudspeaker device for installation in building wall, has uncoupling unit provided for partially uncoupling passive filter unit and partially integrated in filter unit, where filter unit is provided for integration into building wall |
| 03/13/2008 | DE102006039452A1 Flächenlautsprechervorrichtung Panel loudspeaker device |
| 03/12/2008 | EP1898664A2 Audio player with decreasing environmental noise function |
| 03/12/2008 | EP1897405A1 Level dependent bass management |
| 03/12/2008 | EP1426772B1 Impedance measuring circuit, its method, and capacitance measuring circuit |
| 03/12/2008 | CN101141836A Digital capacitor microphone with USB interface |
| 03/12/2008 | CN101141829A Audio player with decreasing environmental noise function |
| 03/12/2008 | CN101141118A Acoustics volume automatic controller along with environmental noise size for automobile |
| 03/11/2008 | US7343022 Spectral enhancement using digital frequency warping |
| 03/11/2008 | US7343018 System of sound transducers with controllable directional properties |
| 03/11/2008 | US7343017 System for playback of pre-encoded signals through a parametric loudspeaker system |
| 03/05/2008 | CN101138275A Sound signal processing device and sound signal processing method |
| 03/05/2008 | CN101137250A Vehicle-mounted acoustics self-adaptive sound field regulating method and device |
| 03/05/2008 | CN100373790C Apparatus and method for level-dependent companding for wireless audio noise reduction |
| 03/04/2008 | US7340073 Hearing aid and operating method with switching among different directional characteristics |
| 03/04/2008 | US7340070 Voice-data processing circuit and voice-data processing method |
| 03/04/2008 | US7340068 Device and method for detecting wind noise |
| 03/04/2008 | US7340067 Wave signal processing system and method |
| 03/04/2008 | US7340064 Active noise control system |
| 02/28/2008 | WO2007135678B1 Direct digital speaker apparatus having a desired directivity pattern |
| 02/28/2008 | US20080049947 Playback apparatus, playback method, playback system and recording medium |
| 02/27/2008 | EP1893000A1 Sound reproducing apparatus |
| 02/27/2008 | EP1892994A2 Sound-pickup device and sound-pickup method |
| 02/27/2008 | EP1891833A1 Assembly, system and method for acoustic transducers |
| 02/27/2008 | EP1479263B1 Modular loudspeaker |
| 02/27/2008 | CN101133678A Method and apparatus for ambient sound therapy user interface and control system |
| 02/27/2008 | CN100371735C Ultrasonic sensor |
| 02/26/2008 | US7336794 High efficiency driver for miniature loudspeakers |
| 02/26/2008 | US7336793 Loudspeaker system for virtual sound synthesis |
| 02/21/2008 | US20080044040 Method and apparatus for intelligent acoustic signal processing in accordance with a user preference |
| 02/21/2008 | US20080044037 Protection procedure for speaker systems |
| 02/20/2008 | EP1890520A1 Array speaker device |
| 02/20/2008 | EP1216600B1 Multiple speaker |
| 02/20/2008 | CN201025733Y MP3 and MP4 active sound box |
| 02/20/2008 | CN101129091A Array speaker apparatus |
| 02/20/2008 | CN101129086A Apparatus and method for controlling a wave field synthesis rendering device |
| 02/20/2008 | CN100370516C Input sound processor |
| 02/20/2008 | CN100369585C A method and apparatus for performing real-time storage of ultrasound video image information |
| 02/19/2008 | US7333622 Dynamic binaural sound capture and reproduction |
| 02/14/2008 | WO2008019223A1 Electroacoustical transducing |
| 02/14/2008 | WO2008018621A1 Karaoke player and program |
| 02/14/2008 | WO2008018362A1 Sound collection device |
| 02/14/2008 | WO2008018146A1 Audibility adapting device and audibility adapting method |
| 02/14/2008 | WO2008018099A1 Improvements to systems for acoustic diffusion |
| 02/14/2008 | WO2007141677A3 A device for and a method of generating audio data for transmission to a plurality of audio reproduction units |
| 02/14/2008 | US20080037804 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
| 02/14/2008 | DE102006035573A1 Loudspeaker operating method for audio system, involves detecting orientation of loudspeaker relative to horizontal reference level, and modifying sound emission characteristics of acoustic signal dependent on orientation |
| 02/13/2008 | EP1887831A2 Method, apparatus and program for estimating the direction of a sound source |
| 02/13/2008 | EP1887830A2 Protection circuit and load current detection circuit |
| 02/13/2008 | EP1887687A1 Compensating device and method for acoustical systems |
| 02/13/2008 | EP1673960A4 Communication headset with signal processing capability |
| 02/13/2008 | CN201022227Y An audio player earphone |
| 02/13/2008 | CN101124848A Crossover circuit for reducing impedance response variance of a speaker |
| 02/13/2008 | CN101123830A Device, method and program for processing audio frequency signal |
| 02/13/2008 | CN101123826A Apparatus and method of equalizing a room parameter in an audio system using an acoustic transducer array |
| 02/13/2008 | CN101123629A An environmental noise filtering method and device for mobile phone |
| 02/13/2008 | CN101123331A Connector, multi-channel audio system, electronic apparatus, and cable for connection |
| 02/12/2008 | US7330557 Hearing aid, method, and programmer for adjusting the directional characteristic dependent on the rest hearing threshold or masking threshold |
| 02/07/2008 | WO2008016531A2 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer |
| 02/07/2008 | WO2008016080A1 Voice conference system |
| 02/07/2008 | WO2008015800A1 Speech processing method, speech processing program, and speech processing device |
| 02/07/2008 | WO2007084804A3 Method and apparatus to facilitate conveying audio content |
| 02/07/2008 | US20080031469 Multi-channel echo compensation system |
| 02/07/2008 | US20080031465 Soundbridge test system |
| 02/06/2008 | EP1885154A1 Dereverberation of microphone signals |
| 02/06/2008 | CN201018663Y Bone conduction multi-channel device |
| 02/06/2008 | CN201018656Y Audio-frequency connector and earphone |
| 02/06/2008 | CN201018655Y Loudspeaker system of using pulsewidth modulation signal to save power consumption |
| 02/06/2008 | CN201018654Y Timbre adjusting earphone |
| 02/06/2008 | CN201018651Y Piezoelectric earphone equipped with audio output electrode control device |
| 02/06/2008 | CN201018640Y Multi-function singing inflexion microphone |
| 02/06/2008 | CN201018234Y VGA audio signal distribution transmission panel |
| 02/06/2008 | CN201018233Y AV amplifying distribution panel |
| 02/06/2008 | CN101119596A Method of providing listener with sounds in phase and apparatus thereof |
| 02/05/2008 | US7327852 Method and device for separating acoustic signals |
| 02/05/2008 | US7327850 Supplying electrical power |
| 02/05/2008 | US7327848 Visualization of spatialized audio |
| 01/31/2008 | WO2008014324A2 Multiple microphone system |
| 01/31/2008 | WO2008013488A1 A method of limiting the maximum permitted sound volume in an earphone, and an earphone for carrying out the method |
| 01/31/2008 | WO2008013184A1 Active noise reduction system |
| 01/31/2008 | US20080025548 Audio Information Support System |
| 01/31/2008 | US20080025531 Microphone amplifier |
| 01/31/2008 | US20080025518 Sound Image Localization Control Apparatus |
| 01/30/2008 | EP1883269A2 Reproducing apparatus and method for automatically converting output mode based on movements of casing |
| 01/30/2008 | EP1883068A1 Signal distortion removing device, method, program, and recording medium containing the program |
| 01/30/2008 | CN201015230Y Loudspeaking device |
| 01/30/2008 | CN101116372A Array speaker device |
| 01/30/2008 | CN101115328A Microphone amplifier |
| 01/30/2008 | CN101115318A Acoustic apparatus and headphone |
| 01/30/2008 | CN101115317A Earphone impedance adjustable earphone |
| 01/24/2008 | WO2008011319A2 Method and system for near-end detection |
| 01/24/2008 | US20080021703 Howling Detection Device and Method |
| 01/24/2008 | US20080019540 Electret Microphone Circuit |
| 01/24/2008 | US20080019539 Method and system for near-end detection |