| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 02/08/2012 | CN102348151A Noise eliminating system and method, intelligent control method and device, and communication equipment |
| 02/08/2012 | CN102348150A Audio signal processing apparatus, audio signal processing method, and program |
| 02/08/2012 | CN102348149A System and method for robust audio spatialization using frequency separation |
| 02/08/2012 | CN102348148A Method and device for monitoring and feeding back sound effect by utilizing sensor, and sound effect system |
| 02/08/2012 | CN102348147A Control of loudspeaker output |
| 02/08/2012 | CN102348144A Reproduction device and reproduction method |
| 02/08/2012 | CN102347059A Audio player and electronic device with the same |
| 02/08/2012 | CN101227760B 低音增强装置和方法 Bass enhancement device and method |
| 02/08/2012 | CN101222790B 选择性微机电麦克风读出电路与其读出方法 Selective MEMS microphone readout circuit and its readout method |
| 02/07/2012 | US8111844 Semiconductor integrated circuit and condenser microphone |
| 02/07/2012 | US8111843 Compensation for nonuniform delayed group communications |
| 02/07/2012 | US8111840 Echo reduction system |
| 02/07/2012 | US8111839 Always on headwear recording system |
| 02/07/2012 | US8111838 Conferencing apparatus for echo cancellation using a microphone arrangement |
| 02/07/2012 | US8111583 Method and apparatus for determining and indicating direction and type of sound |
| 02/02/2012 | WO2012015843A1 Systems, methods, and apparatus for enhanced creation of an acoustic image space |
| 02/02/2012 | WO2012014451A1 Multi-input noise suppresion device, multi-input noise suppression method, program, and integrated circuit |
| 02/02/2012 | WO2012014411A1 Portable terminal device |
| 02/02/2012 | US20120029912 Hands-free Active Noise Canceling Device |
| 02/01/2012 | EP2413615A2 Apparatus and method for merging acoustic object information |
| 02/01/2012 | EP1637007B1 Method and system for calibrating microphones |
| 02/01/2012 | EP1631119B1 Array speaker system |
| 02/01/2012 | CN202135300U 一种判断声音位置的2路麦克风的声音采集和放大电路 A method for judging the position of two-way voice microphone sound capture and amplification circuit |
| 02/01/2012 | CN1819710B 反射板减振 Reflective plate vibration |
| 02/01/2012 | CN102342131A Speaker with camera, signal processing device, and AV system |
| 02/01/2012 | CN102340722A Digital-analog hybrid microphone |
| 02/01/2012 | CN102340721A Audio signal processing device |
| 02/01/2012 | CN102340720A Interface circuit and electronic device with same |
| 02/01/2012 | CN102340719A Method and device for acquiring sound signal based on sensor |
| 02/01/2012 | CN102340718A Sound generating device with sigma-delta modulation frame and sound generating method |
| 02/01/2012 | CN102340717A Noise-canceling headphone |
| 02/01/2012 | CN102340589A Mobile phone with FM (frequency modulation) multi-channel playback function and FM multi-channel playback method |
| 02/01/2012 | CN101459797B 一种声音定位的方法及系统 A method and system for sound localization |
| 02/01/2012 | CN101222787B 音频输出装置、降噪装置、降噪音频输出装置及其方法 An audio output device, the noise reducing device, the noise reduction method for an audio output device and |
| 01/31/2012 | US8108220 Techniques for accommodating primary content (pure voice) audio and secondary content remaining audio capability in the digital audio production process |
| 01/31/2012 | US8107645 Remote microphone teleconferencing configurations |
| 01/31/2012 | US8107644 Amplifying element and manufacturing method thereof |
| 01/31/2012 | US8107642 Spatial noise suppression for a microphone array |
| 01/31/2012 | US8107639 System and method for a sound masking system for networked workstations or offices |
| 01/26/2012 | WO2012011257A1 Vibration device and electronic device |
| 01/26/2012 | WO2012011256A1 Vibration device and electronic device |
| 01/26/2012 | WO2012011255A1 Acoustic apparatus and oscillating unit |
| 01/26/2012 | WO2012011238A1 Vibration device |
| 01/26/2012 | WO2012011039A1 Driving of parametric loudspeakers |
| 01/26/2012 | US20120020505 Signal processing apparatus and signal processing method |
| 01/26/2012 | DE102010001935A1 Verfahren und Vorrichtung zum phasenabhängigen Verarbeiten von Schallsignalen Method and device for phase-dependent processing of acoustic signals |
| 01/25/2012 | EP2410763A1 Howling canceller |
| 01/25/2012 | EP2410762A1 Headphone |
| 01/25/2012 | EP1547433B1 Audio amplifier with local interface system |
| 01/25/2012 | CN202127502U Acoustic device with alternating current filter |
| 01/25/2012 | CN1678136B Power supply of phantom power supplied microphones |
| 01/25/2012 | CN102333268A POP noise suppression circuit and method |
| 01/25/2012 | CN102333267A Mobile phone and microphone circuit thereof |
| 01/25/2012 | CN102333266A Sound signal processing apparatus, microphone apparatus, sound signal processing method, and program |
| 01/25/2012 | CN102333265A Replay method of sound fields in three-dimensional local space based on continuous sound source concept |
| 01/25/2012 | CN102333264A Mute control circuit and electronic device with same |
| 01/25/2012 | CN102333255A Simple and reliable frequency modulation wireless microphone |
| 01/25/2012 | CN102332881A Headset volume control circuit of key general mobile phone |
| 01/25/2012 | CN101326852B Oscillation motor as audio converter |
| 01/25/2012 | CN101263734B Post-filter for microphone array |
| 01/24/2012 | US8103022 Method and system for detecting, and controlling power for, an auxiliary microphone |
| 01/24/2012 | US8103007 System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces |
| 01/19/2012 | WO2012009670A2 Audio driver system and method |
| 01/19/2012 | WO2012009107A1 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
| 01/19/2012 | WO2012008923A1 A method and apparatus for stereo enhancement of an audio system |
| 01/19/2012 | US20120014541 Amplifying device for condenser microphone |
| 01/19/2012 | US20120014535 Sound collection device |
| 01/19/2012 | US20120013768 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
| 01/19/2012 | DE102010009459B4 Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren Hearing apparatus operated in parallel with feedback reduction filters and methods |
| 01/19/2012 | DE102010006154B4 Hörgerät mit Frequenzverschiebung und zugehöriges Verfahren Hearing aid with frequency shift and associated method |
| 01/18/2012 | EP2406964A1 Microphone and accelerometer |
| 01/18/2012 | EP1999992B1 Adaptive speaker equalization |
| 01/18/2012 | EP1544635B1 Sound source search system |
| 01/18/2012 | CN202121759U Pop noise suppression circuit |
| 01/18/2012 | CN202121756U Guitar amplifier |
| 01/18/2012 | CN202121747U Headphone |
| 01/18/2012 | CN202120333U Voice reporting device for vehicle-mounted electronic label |
| 01/18/2012 | CN1951148B System for limiting loudspeaker displacement |
| 01/18/2012 | CN102325289A Method and device of eliminating bias voltage difference existing in audio frequency digital-to-analogue conversion circuit |
| 01/18/2012 | CN102325288A De-noising device and method for audio circuit of mobile terminal earphone |
| 01/18/2012 | CN102325287A Novel intelligent automatic sound mixing device with keynote speaking and full-mute function |
| 01/18/2012 | CN102325283A Earphone, user equipment and audio data output method |
| 01/18/2012 | CN102324237A Microphone-array speech-beam forming method as well as speech-signal processing device and system |
| 01/18/2012 | CN101360351B Low pass integrated circuit fulfilling mute function by twin span cascade |
| 01/18/2012 | CN101242678B Signal processing apparatus and signal processing method |
| 01/18/2012 | CN101199233B Howling control apparatus and acoustic apparatus |
| 01/17/2012 | US8098849 Low frequency equalization for loudspeaker system |
| 01/17/2012 | US8098844 Dual-microphone spatial noise suppression |
| 01/17/2012 | US8098843 Sound source direction detecting apparatus, sound source direction detecting method, and sound source direction detecting camera |
| 01/17/2012 | US8098842 Enhanced beamforming for arrays of directional microphones |
| 01/17/2012 | US8098833 System and method for dynamic modification of speech intelligibility scoring |
| 01/12/2012 | WO2012006456A1 Systems and methods for generating phantom bass |
| 01/12/2012 | WO2012005122A1 Acoustic system |
| 01/12/2012 | WO2012004348A1 Speaker impedance measurement |
| 01/12/2012 | WO2012003688A1 Method for controlling music playing and music playing terminal |
| 01/12/2012 | DE102009029367B4 Verfahren und Vorrichtung zur Analyse und Abstimmung akustischer Eigenschaften einer Kfz-Freisprecheinrichtung Method and apparatus for analyzing and tuning acoustic properties of a car kit |
| 01/11/2012 | EP2405675A1 Speaker impedance measurement |
| 01/11/2012 | EP2404453A1 Apparatus, methods and computer programs for converting sound waves to electrical signals |
| 01/11/2012 | CN202111843U Sound for suppressing TDMA noises |
| 01/11/2012 | CN202111842U Adjustable digital audio mixing circuit of incentive intensity of single channel volume |