| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 01/11/2012 | CN202111841U Volume-regulating functional satellite sound installation |
| 01/11/2012 | CN202104157U Bird-repelling alarm device for field |
| 01/11/2012 | CN102316396A Method and device for realizing automatic control over sounds in large dynamic range by using sensor |
| 01/11/2012 | CN102316395A Method and device for judging and eliminating howlround |
| 01/11/2012 | CN102316393A Microphone |
| 01/11/2012 | CN102316265A Electronic device |
| 01/11/2012 | CN102316188A Non-directional radio telephone receiver |
| 01/11/2012 | CN102314933A Multimedia playing equipment and method for generating output signal of multimedia play equipment |
| 01/11/2012 | CN102314871A De-noising method and de-noising device |
| 01/11/2012 | CN101582260B Non-amplitude modulation speech coding method and device in electrical cochlea |
| 01/11/2012 | CN101227762B Sound outputting apparatus, sound outputting method, sound outputting system |
| 01/10/2012 | US8094838 Voice command of audio emitting device |
| 01/10/2012 | US8094834 Remote auditory spatial communication aid |
| 01/10/2012 | US8094833 Sound source localization system and sound source localization method |
| 01/10/2012 | US8094829 Method for processing sound data |
| 01/05/2012 | WO2012001954A1 Oscillation device and electronic component |
| 01/05/2012 | WO2012001928A1 Conversation detection device, hearing aid and conversation detection method |
| 01/05/2012 | WO2012001901A1 Vibration device |
| 01/05/2012 | WO2012001898A1 Directional microphone device and directivity control method |
| 01/05/2012 | WO2012001871A1 Sound generation system, ultrasonic wave emitting device, and ultrasonic wave emitting method |
| 01/05/2012 | WO2012001804A1 Telephone call apparatus, telephone call method, and telephone call program |
| 01/05/2012 | US20120002822 Control system, earphone and control method |
| 01/05/2012 | US20120002821 Grounding switch method and apparatus |
| 01/05/2012 | US20120002820 Removing Noise From Audio |
| 01/05/2012 | US20120002097 Dual-purpose hardware aperture |
| 01/05/2012 | DE102010026112A1 Plasma tweeter e.g. teslums tweeter, for e.g. acoustic lab tests, has high voltage transformer arranged in electrical conductive pipe, where secondary coil of high voltage transformer coaxially extends to pipe |
| 01/05/2012 | DE102010025918A1 Verfahren zum Betrieb eines Hörgeräts und Hörgerät mit variabler Frequenzverschiebung Method for operating a hearing device and the hearing aid with variable frequency shift |
| 01/04/2012 | EP2401872A2 Speaker distortion reduction system and method |
| 01/04/2012 | EP1438871B1 Device for capturing and restoring sound using several sensors |
| 01/04/2012 | CN202103829U Switching circuit with loudspeaker output compatible with earphone output |
| 01/04/2012 | CN202103828U Switching circuit with speaker output being compatible to earphone output and earphone input |
| 01/04/2012 | CN202103629U Audio power amplifier module |
| 01/04/2012 | CN102308596A Spectral band substitution to avoid howls and sub-oscillation |
| 01/04/2012 | CN102308277A Control device, method and program |
| 01/04/2012 | CN102306496A Noise elimination method, device and system of multi-microphone array |
| 01/04/2012 | CN101351058B Microphone array and method for implementing voice signal enhancement |
| 01/04/2012 | CN101325406B Method and apparatus for automatically adjusting sound volume |
| 01/04/2012 | CN101304621B Noise reducing apparatus and audio regeneration apparatus |
| 01/03/2012 | US8090123 Microphone |
| 01/03/2012 | US8090117 Microphone array and digital signal processing system |
| 01/03/2012 | US8090115 Transmitting/receiving system, transmitting device, and device including speaker |
| 01/03/2012 | CA2614549C Audio apparatus |
| 01/03/2012 | CA2540393C Addressable amplified speaker assembly and method for addressing the same |
| 12/29/2011 | WO2011162897A1 Microphone interference detection method and apparatus |
| 12/29/2011 | WO2011161738A1 Sensor |
| 12/29/2011 | WO2011161567A1 A sound reproduction system and method and driver therefor |
| 12/29/2011 | WO2011161496A1 Arranging an audio signal based on the number of loudspeakers |
| 12/28/2011 | CN202095090U 用于发射音频信号的设备、用于接收音频信号的设备、无线音频通信系统 Apparatus for transmitting an audio signal, apparatus for receiving an audio signal, wireless audio communication system |
| 12/28/2011 | CN202095078U 一种实时降噪消音音频处理系统 A real-time audio processing system noise silencer |
| 12/28/2011 | CN202095077U Bluetooth voice frequency converter |
| 12/28/2011 | CN202095076U 智能数字音响系统设备 Intelligent digital sound system equipment |
| 12/28/2011 | CN202095075U 一种抗外部干扰的音频吸收电路 An anti-disturbance audio absorption circuit |
| 12/28/2011 | CN202095074U 组构增强传声增益音响的装置 Fabric device enhanced audio gain sound |
| 12/28/2011 | CN202095072U 一种可用于物联网和车联网的高音质智能车载终端设备 High-quality intelligent vehicle terminal equipment can be used for networking and a car networking |
| 12/28/2011 | CN202094954U 一种具有助听功能的手机耳机 Having a hearing aid enabled mobile phone headset |
| 12/28/2011 | CN1833466B 阵列扬声器系统 Array speaker system |
| 12/28/2011 | CN102301742A 用于从临界带化的脉冲响应数据确定逆滤波器的方法 The method of response data from the critical band of the pulse is used to determine the inverse filter |
| 12/28/2011 | CN102301741A 麦克风构件和用于运行这样的麦克风构件的方法 Microphone means and methods for operating such microphones member |
| 12/28/2011 | CN102300140A 一种通信耳机的语音增强方法、装置及降噪通信耳机 A communications headset voice enhancement, noise reduction communication device and headphones |
| 12/28/2011 | CN102299693A 音讯调整系统及方法 Audio adjustment system and method |
| 12/28/2011 | CN101310558B 远程会议设备以及声音发出/采集设备 Teleconferencing equipment and sound / acquisition devices |
| 12/28/2011 | CN101155438B 音频设备的频率响应自适应均衡方法 Frequency response of the audio device adaptive equalization method |
| 12/27/2011 | US8085957 Method for converting electric signals into acoustic oscillations and an electric gas-kinetic transducer |
| 12/27/2011 | US8085947 Multi-channel echo compensation system |
| 12/27/2011 | US8085943 Noise extractor system and method |
| 12/22/2011 | WO2011159724A2 Improved parametric signal processing and emitter systems and related methods |
| 12/22/2011 | WO2011158506A1 Hearing aid, signal processing method and program |
| 12/22/2011 | WO2011156997A1 Loudspeaker and method for playing audio sources |
| 12/22/2011 | US20110313763 Pickup signal processing apparatus, method, and program product |
| 12/22/2011 | US20110311083 Portable audio device with microphone and controller |
| 12/22/2011 | US20110310308 Video/audio output device and external speaker control apparatus |
| 12/22/2011 | CA2802862A1 Improved parametric signal processing and emitter systems and related methods |
| 12/21/2011 | EP2398255A1 Simultaneous control system for lighting and audio devices |
| 12/21/2011 | EP2398254A2 Reproduction device and reproduction method |
| 12/21/2011 | EP2398253A1 Control of a loudspeaker output |
| 12/21/2011 | EP2398252A1 Audio signal mixer |
| 12/21/2011 | EP2123106B1 Loudspeaker apparatus for radiating acoustic waves in a hemisphere |
| 12/21/2011 | CN202085296U 一种高频扬声器过流过压无源自动控制电路 A high-frequency loudspeaker overcurrent and overvoltage passive automatic control circuit |
| 12/21/2011 | CN1819714B 无线通讯设备用双磁极双音圈扬声器及功放控制电路 Wireless communication devices by double pole double voice coil speakers and amplifier control circuit |
| 12/21/2011 | CN1819711B 中空磁芯内磁极内音圈扬声器及其功率驱动与控制电路 Hollow core inner magnetic coil speaker and power drive and control circuit |
| 12/21/2011 | CN1812659B 内外双磁中空磁芯式扬声器及功放与控制电路 External dual speakers and magnetic hollow core amplifier and control circuitry |
| 12/21/2011 | CN1750716B 超声波扬声器、声学系统以及超声波换能器的控制方法 Control method ultrasonic speaker, the acoustic system and an ultrasound transducer |
| 12/21/2011 | CN102293018A 音频输出装置、视频/音频再现装置和音频输出方法 Audio output device, video / audio playback apparatus and the audio output method |
| 12/21/2011 | CN102293015A 用于高振幅音频捕获的多膜麦克风 For high-amplitude audio capture multiple membrane microphone |
| 12/21/2011 | CN102291647A 仿引擎声发声装置 Fake engine noise audible devices |
| 12/21/2011 | CN102291646A 一种压电蜂鸣器的音量控制电路 A piezoelectric buzzer volume control circuit |
| 12/21/2011 | CN102291645A 一种爆破音消除电路 One kind of plosive cancellation circuit |
| 12/21/2011 | CN101930731B 矿用多波自适应主动噪声控制系统 Mining multi-wave adaptive active noise control system |
| 12/21/2011 | CN101233783B 扬声器装置 Speaker system |
| 12/20/2011 | US8081779 Audio circuit |
| 12/20/2011 | US8081778 VOX circuit with 2-wire interfaces |
| 12/20/2011 | US8081776 Indoor communication system for a vehicular cabin |
| 12/20/2011 | US8081773 Audio signal processing apparatus, audio signal processing method and imaging apparatus |
| 12/20/2011 | CA2642410C Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port |
| 12/15/2011 | WO2011132845A3 Ear microphone |
| 12/15/2011 | US20110303369 Awning |
| 12/14/2011 | EP2395774A2 Audio signal processing apparatus and method of controlling the same |
| 12/14/2011 | EP2394442A1 Spectral band substitution to avoid howls and sub-oscillation |
| 12/14/2011 | EP2394441A2 Wireless multi-user audio system |
| 12/14/2011 | CN202077171U 一种数字音频系统 A digital audio system |