H04R 3 - Circuits for transducers

Patents for H04R 3 - Circuits for transducers (18,190)
08/2011
08/23/2011	US8005240 Speaker with frequency directed dual drivers
08/23/2011	US8005237 Sensor array beamformer post-processor
08/18/2011	WO2011099167A1 Sound pickup apparatus, portable communication apparatus, and image pickup apparatus
08/18/2011	US20110200207 Audio apparatus
08/18/2011	US20110200206 Method and device for phase-sensitive processing of sound signals
08/18/2011	US20110200205 Sound pickup apparatus, portable communication apparatus, and image pickup apparatus
08/17/2011	EP2357853A1 Audio apparatus, audio signal transmission method, and audio system
08/17/2011	EP2357852A1 Method for compensating for a feedback signal and hearing aid
08/17/2011	EP2357847A2 Group-delay based bass management
08/17/2011	EP2357846A1 Group-delay based bass management
08/17/2011	EP2357726A1 System and method for adapting a loudspeaker signal
08/17/2011	EP1400149B1 Systems and methods for sensing an acoustic signal using microelectromechanical systems technology
08/17/2011	CN201937810U 带感应器的音响装置 Audio devices with sensors
08/17/2011	CN201937801U 自动调节音量的蓝牙耳机 Bluetooth headset automatically adjusts the volume
08/17/2011	CN201937785U 带读卡器的mp3音响 Mp3 audio tape reader
08/17/2011	CN1965608B Public broadcast system provided with a geometric and electronic radiation control
08/17/2011	CN1951147B Howling detector and its method
08/17/2011	CN102160399A Sound reproducing apparatus
08/17/2011	CN102160398A Electronic device directional audio-video capture
08/17/2011	CN102158783A Audio packet loss concealment by transform interpolation
08/17/2011	CN102158778A Method, equipment and system for reducing headset noise
08/17/2011	CN102158776A Frequency-modulation wireless microphone made of single battery
08/17/2011	CN102158773A Bluetooth telephone speaker for solar car
08/17/2011	CN102158676A Electronic device, video camera apparatus, and control method therefor
08/17/2011	CN102158170A Drive mechanism
08/17/2011	CN101223817B Apparatus and method for controlling a plurality of speakers by means of a graphical user interface
08/17/2011	CN101039529B Stereo/monaural switching circuit and integrated circuit having the same
08/16/2011	US8000483 Electrostatic loudspeaker systems and methods
08/16/2011	US8000482 Microphone array processing system for noisy multipath environments
08/16/2011	US8000481 Speaker array and microphone array
08/11/2011	WO2011097303A1 Digital communications system with variable-bandwidth traffic channels
08/11/2011	WO2011095952A1 Control of a loudspeaker output
08/11/2011	US20110194710 Accessory controller for electronic devices
08/11/2011	DE10218508B4 Videokamera Video camera
08/11/2011	DE102010007336A1 Verfahren zum Kompensieren eines Rückkopplungssignals und Hörvorrichtung A method for compensating for a feedback signal and the hearing device
08/10/2011	EP2355548A2 A method for the detection of whistling in an audio system
08/10/2011	EP2355543A2 Method to maximize loudspeaker sound pressure level with a high peak to average power ratio audio source
08/10/2011	EP2355542A1 Control of a loudspeaker output
08/10/2011	EP2353302A1 Acoustic voice activity detection (avad) for electronic systems
08/10/2011	EP2353159A1 Audio source proximity estimation using sensor array for noise reduction
08/10/2011	EP2191660B1 Method and device for extension of low frequency output from a loudspeaker
08/10/2011	CN201928428U 新型麦克风 The new microphone
08/10/2011	CN201928427U 一种汽车音响主机的升级装置 An automobile audio console upgrade equipment
08/10/2011	CN201928426U 去除音频系统关机杂音的电路 Noise removal audio system shutdown circuit
08/10/2011	CN201928425U 一种响度控制器 One kind of loudness controller
08/10/2011	CN201928424U 音源频率调整系统及终端 Audio frequency adjustment system and terminal
08/10/2011	CN201928423U 一种音量控制装置 A loudness control device
08/10/2011	CN201928422U 一种视频定位的长距离拾音装置 A video locating long-distance pickup device
08/10/2011	CN201928415U 一种带音乐播放器的单耳机 A single headset with a music player
08/10/2011	CN201928402U 计算机教学用语音传输装置 Computer teaching voice transmission device
08/10/2011	CN201928401U 一种全触屏汽车音响主机 Host an all-touch screen car stereo
08/10/2011	CN201928400U 一种带dsp前处理的数字有源音响 A pre-treatment with active dsp digital sound
08/10/2011	CN102149034A Sound enhancement apparatus and method
08/10/2011	CN102149033A Earphone processing method and user equipment
08/10/2011	CN102148607A Gain control device, method and audio processor used for amplifier
08/10/2011	CN101645697B System and method for controlling sound volume
08/09/2011	US7995774 Sound field control apparatus and sound field control method
08/09/2011	US7995773 Methods for processing audio input received at an input device
08/09/2011	US7995768 Sound reinforcement system
08/09/2011	US7995091 Mixed media telecommunication call manager
08/09/2011	US7994412 Sound system and method for creating a sound event based on a modeled sound field
08/09/2011	US7993270 Digital receive-focusing apparatus using analogue multiplexers
08/09/2011	CA2482223C Automotive audio controller with vibration sensor
08/04/2011	WO2011093157A1 Microphone unit and audio input device provided therewith
08/04/2011	WO2011092699A1 Usage of speaker as microphone for sound enhancement
08/04/2011	WO2011092471A1 Loudspeaker system
08/04/2011	WO2011046297A3 Sound transmitting and receiving apparatus and transmitting and receiving method thereof
08/04/2011	WO2011028891A3 Beam forming in spatialized audio sound systems using distributed array filters
08/04/2011	US20110188676 Electronic device
08/04/2011	US20110188673 Apparatus for enabling karaoke
08/04/2011	US20110188666 Method and system for preventing overhearing of private conversations in public places
08/04/2011	US20110187870 Video/Audio Module Applied to Computer System
08/04/2011	DE102010006285A1 Motor vehicle audio system, has control unit connected with amplifier and detector for calculating amplified signal of sound detector with preset sound level of speakers and determining amplification factor according to preset sound level
08/04/2011	DE102010006154A1 Hörgerät mit Frequenzverschiebung und zugehöriges Verfahren Hearing aid with frequency shift and associated method
08/03/2011	EP2352225A1 Audio signal adjustment device and audio signal adjustment method
08/03/2011	EP2352149A2 Selective sound source listening in conjunction with computer interactive processing
08/03/2011	EP2352143A1 Voice output device
08/03/2011	EP2351403A2 Plurality of mobile communication devices for performing locally collaborative operations
08/03/2011	EP1748674B1 Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatus
08/03/2011	CN201919146U 带可调电位器防止啸叫装置的音箱 With adjustable potentiometer prevent howling device Speakers
08/03/2011	CN201919145U 一种音频驱动电路 An audio driver circuit
08/03/2011	CN201919137U 高清晰音箱和汽车音响的音频分频器 High-definition audio speakers and car audio crossover
08/03/2011	CN201918158U 一种音乐播放器 A musical player
08/03/2011	CN102144406A Sound pick-up device and method
08/03/2011	CN102143420A Interlocking method of microphone group and interlocking system
08/03/2011	CN102143419A Artificial engine sound generator
08/03/2011	CN101129086B Apparatus and method for controlling a wave field synthesis rendering device
08/03/2011	CN101061743B Method and apparatus for audio signal enhancement
08/02/2011	US7991168 Serially connected microphones
08/02/2011	US7991167 Forming beams with nulls directed at noise sources
08/02/2011	US7991166 Microphone apparatus
07/2011
07/28/2011	WO2011090386A1 Location dependent feedback cancellation
07/28/2011	WO2011088760A1 Noise reducing earphone and driving circuit thereof
07/28/2011	WO2011034706A3 Volume adjustment based on listener position
07/28/2011	US20110182443 Electronic device having a contact microphone
07/28/2011	US20110182438 Masker sound generation apparatus and program
07/28/2011	US20110182437 Signal separation system and method for automatically selecting threshold to separate sound sources
07/27/2011	EP2348753A1 Sound emission and collection device, and sound emission and collection method
07/27/2011	EP2348752A1 Second order microphone array
07/27/2011	EP2348751A1 Second order microphone array

1 ... 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 ... 182