| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 12/17/2008 | EP1433359A4 Dynamic range compression using digital frequency warping |
| 12/17/2008 | EP1352509B1 Signal routing for reduced power consumption in a conferencing system |
| 12/17/2008 | CN201167412Y Sonic equipment |
| 12/17/2008 | CN201167401Y Microphone supplying power using USB |
| 12/17/2008 | CN101326855A Acoustical signal processing equipment, acoustical signal processing method, acoustics reproducing system, method for designing acoustical signal processing equipment |
| 12/17/2008 | CN101326853A Device for and method of processing an audio data stream |
| 12/17/2008 | CN101326852A Oscillation motor as audio converter |
| 12/17/2008 | CN101325819A Electroacoustic transformator |
| 12/17/2008 | CN101325818A Integration loudspeaker |
| 12/17/2008 | CN101325406A Method and apparatus for automatically adjusting sound volume |
| 12/17/2008 | CN100444695C A method for realizing crosstalk elimination and filter generation and playing device |
| 12/16/2008 | US7467084 Device and method for operating a voice-enhancement system |
| 12/16/2008 | US7466830 Equalizing circuit amplifying bass range signal |
| 12/16/2008 | US7466828 Vehicle audio system and reproduction method using same |
| 12/16/2008 | CA2396832C Method of generating an electrical output signal and acoustical/electrical conversion system |
| 12/11/2008 | WO2008150022A1 Sound signal processor and delay time setting method |
| 12/11/2008 | WO2008149747A1 Acoustic device |
| 12/11/2008 | WO2008149296A1 Beamforming system comprising a transducer assembly |
| 12/11/2008 | WO2008048413A3 System and method for compensating memoryless non-linear distortion of an audio transducer |
| 12/11/2008 | US20080307249 Digital mixing system with double arrangement for fail safe |
| 12/11/2008 | US20080303596 Amplifier circuit having an output transistor for driving a complex load |
| 12/11/2008 | DE102007027011A1 Mikrofon Microphone |
| 12/10/2008 | EP1999992A1 Sony ericsson mobile communications ab |
| 12/10/2008 | EP1999847A2 Filter adaptive frequency resolution |
| 12/10/2008 | EP1260117B1 Loudspeaker system |
| 12/10/2008 | CN101322183A Signal distortion elimination apparatus, method, program, and recording medium having the program recorded thereon |
| 12/10/2008 | CN101321406A Microphone with dual transducers |
| 12/10/2008 | CN101321405A Induction headphone and induction method of broadcast apparatus |
| 12/10/2008 | CN101321404A Ear microphone and terminal system |
| 12/10/2008 | CN100442942C Array driving system and method of driving loads |
| 12/09/2008 | US7463746 Narrow opening electroacoustical transducing |
| 12/09/2008 | US7463743 Electronic driving circuit for directing an audio signal selectively to one of two speakers |
| 12/04/2008 | WO2008148048A2 Advanced speech encoding dual microphone configuration (dmc) |
| 12/04/2008 | WO2008147513A1 In-room acoustic magnitude response smoothing via summation of correction signals |
| 12/04/2008 | WO2008146912A1 Elecronic apparatus |
| 12/04/2008 | WO2008146565A1 Sound source direction detecting method, device, and program |
| 12/04/2008 | US20080298608 Sound Generating Device with Removable Memory |
| 12/04/2008 | US20080298604 In-room acoustic magnitude response smoothing via summation of correction signals |
| 12/03/2008 | EP1998592A1 Audio circuit |
| 12/03/2008 | EP1998476A1 Acoustic signal transmission system, modulation device, demodulation device, and acoustic signal transmission method |
| 12/03/2008 | CN201160320Y Novel DSP automatic notch digital frequency shifter |
| 12/03/2008 | CN101316454A Audio interface device and method |
| 12/03/2008 | CN100441054C Content reproducing system and method |
| 12/02/2008 | US7460677 Directional microphone array system |
| 12/02/2008 | US7460675 Auto-adjusting sound masking system and method |
| 12/02/2008 | US7460674 Audio effector circuit |
| 11/27/2008 | WO2008143142A1 Sound source localization device, sound source localization method, and program |
| 11/27/2008 | WO2008142979A1 Video conference device |
| 11/27/2008 | WO2008142912A1 Audio signal processing device and audio signal processing method |
| 11/27/2008 | WO2008142651A1 A device for and a method of processing audio data |
| 11/27/2008 | WO2006020186A3 Method for riaa correction without capacitors |
| 11/27/2008 | US20080294432 Signal enhancement and speech recognition |
| 11/27/2008 | DE102008022588A1 Externally polarized condenser microphone i.e. high-quality sound receiver, for use in e.g. professional studio technology, has control amplifier separated from buffer amplifier to compare capsule voltage with preset reference value |
| 11/26/2008 | EP1995872A1 Load impedance testing circuit |
| 11/26/2008 | EP1994789A2 Sound reproduction |
| 11/26/2008 | EP1994788A2 Noise-reducing directional microphone array |
| 11/26/2008 | CN101312600A Volume regulating apparatus and automatic volume regulating method |
| 11/26/2008 | CN100438534C Folding electronic device |
| 11/25/2008 | US7457422 Method and implementation for detecting and characterizing audible transients in noise |
| 11/25/2008 | US7457421 Circuit and program for processing multichannel audio signals and apparatus for reproducing same |
| 11/20/2008 | WO2008140534A1 Serially connected microphones |
| 11/20/2008 | WO2008139155A1 Communication apparatus with ambient noise reduction |
| 11/20/2008 | WO2008033639A3 Broadside small array microphone beamforming apparatus |
| 11/20/2008 | WO2008005702A3 Apparatus and method for processing an audio signal |
| 11/20/2008 | WO2007016465A3 Loudspeaker with automatic calibration and room equalization |
| 11/20/2008 | WO2006073986A3 Integrated audio video signal processing system using centralized processing of signals |
| 11/20/2008 | US20080285777 Parametric audio system |
| 11/20/2008 | US20080285776 Audio interface device and method |
| 11/20/2008 | US20080285774 Howling Suppression Device, Program, Integrated Circuit, and Howling Suppression Method |
| 11/20/2008 | US20080285772 Acoustic localization of a speaker |
| 11/20/2008 | US20080285771 Teleconferencing Apparatus |
| 11/20/2008 | US20080285770 Serially connected microphones |
| 11/20/2008 | US20080285768 Method and System for Modifying and Audio Signal, and Filter System for Modifying an Electrical Signal |
| 11/19/2008 | EP1993320A1 Reverberation removal device, reverberation removal method, reverberation removal program, and recording medium |
| 11/19/2008 | EP1992194A1 Hearing aid with adaptive feedback suppression |
| 11/19/2008 | CN201153322Y Audio circuit |
| 11/19/2008 | CN101310558A Teleconference device and sound emission/collection device |
| 11/19/2008 | CN101309644A Ultrasound diagnostic apparatus and method of calibrating the same |
| 11/19/2008 | CN101309527A Processing circuit and device for improving performance of acoustic apparatus |
| 11/19/2008 | CN101309093A Bluetooth handfree receiver unit having global position system function |
| 11/19/2008 | CN101308662A Imaging device, sound treating circuit, noise reduction circuit, noise reduction method and program |
| 11/18/2008 | US7454274 In-vehicle device |
| 11/18/2008 | US7454023 Audio processing arrangement with multiple sources |
| 11/18/2008 | US7453770 Method for directional location and locating system |
| 11/13/2008 | WO2008136580A1 Human body sound transmission system and method using single sound source |
| 11/13/2008 | WO2008135887A1 Stereo sound rendering system |
| 11/13/2008 | WO2008103672A3 Microfabricated microphone |
| 11/13/2008 | US20080279400 System and method for capturing voice interactions in walk-in environments |
| 11/13/2008 | US20080279398 Electrostatic loudspeaker with single ended drive |
| 11/13/2008 | US20080279397 Microphone made from a polymer waveguide |
| 11/13/2008 | US20080279391 Microphone unit and sound source direction identification system |
| 11/13/2008 | US20080277307 Electronic interactive pillbox system |
| 11/13/2008 | DE102006021559A1 Speisenanordnung für eine Ultraschallvorrichtung Food arrangement for an ultrasonic device |
| 11/12/2008 | CN201150126Y Loudspeaker accessory circuit |
| 11/12/2008 | CN201150125Y Audio output circuit and television set |
| 11/12/2008 | CN101305641A Device for and method of generating a vibration source-driving-signal |
| 11/12/2008 | CN101304621A Noise reducing apparatus and audio regeneration apparatus |
| 11/12/2008 | CN100432682C Potential fixing device and potential fixing method |
| 11/11/2008 | US7451006 Sound processing system using distortion limiting techniques |
| 11/11/2008 | US7450731 Hearing aid device and corresponding operating method |