| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 07/04/2012 | CN101369427B Noise reduction by combined beamforming and post-filtering |
| 07/04/2012 | CN101268714B Noise mitigating microphone system and method |
| 07/04/2012 | CN101242677B Headphone device, sound reproduction system, and sound reproduction method |
| 07/04/2012 | CN101150881B Earphone jack structure |
| 07/04/2012 | CN101006747B Low frequency phase matching for microphones |
| 07/03/2012 | US8213623 Method to generate an output audio signal from two or more input audio signals |
| 06/30/2012 | CA2762737A1 Accidental periphery device detection |
| 06/28/2012 | WO2012086834A1 Speech enhancement method, device, program, and recording medium |
| 06/28/2012 | WO2012086485A1 Audio control device and image capture device |
| 06/28/2012 | WO2012086180A1 Oscillator device and electronic instrument |
| 06/28/2012 | WO2012086125A1 Oscillator device and electronic instrument |
| 06/28/2012 | WO2012086124A1 Oscillator device and electronic instrument |
| 06/28/2012 | WO2012083989A1 Method of controlling audio recording and electronic device |
| 06/28/2012 | US20120163634 Audio interface device and method |
| 06/28/2012 | US20120163633 Remote control earphone and electronic device using the same |
| 06/28/2012 | US20120163626 Active sound reduction system and method |
| 06/28/2012 | US20120163625 Method of controlling audio recording and electronic device |
| 06/28/2012 | US20120163624 Directional sound source filtering apparatus using microphone array and control method thereof |
| 06/28/2012 | US20120163623 Wideband noise reduction system and a method thereof |
| 06/28/2012 | US20120163622 Noise detection and reduction in audio devices |
| 06/28/2012 | DE202011109875U1 Abhörsicherer Lautsprecher Safe listening speakers |
| 06/27/2012 | EP2469888A2 Digital circuit arrangements for ambient noise-reduction |
| 06/27/2012 | EP2469705A1 Generation of a supply voltage from output of a class-D audio amplifier |
| 06/27/2012 | CN202285432U 数字调音背景音响 Digital Mixing background sound |
| 06/27/2012 | CN202285431U 一种扬声器保护电路及移动终端 A speaker protection circuit and a mobile terminal |
| 06/27/2012 | CN102523547A Hearing-aid earphone with audio acuity function |
| 06/27/2012 | CN102520391A Cognitive load reduction |
| 06/27/2012 | CN101426156B Speaker array system |
| 06/26/2012 | US8208656 Array microphone system including omni-directional microphones to receive sound in cone-shaped beam |
| 06/26/2012 | US8208649 Methods and systems for robust approximations of impulse responses in multichannel audio-communication systems |
| 06/21/2012 | WO2012082721A2 Method and apparatus for evaluating dynamic middle ear muscle activity |
| 06/21/2012 | WO2012082379A1 Microphone array steering with image-based source location |
| 06/21/2012 | WO2012082361A1 Adaptive noise cancellation |
| 06/21/2012 | WO2012082359A1 Adaptive noise cancellation |
| 06/21/2012 | WO2012081315A1 Sound reproduction device, reproduction sound adjustment method, acoustic property adjustment device, acoustic property adjustment method, and computer program |
| 06/21/2012 | WO2012081179A1 Electronic device |
| 06/21/2012 | WO2012081054A1 Console device, player system, method of operation of console device, and program |
| 06/21/2012 | WO2012056427A3 Fitting an auditory prosthesis |
| 06/21/2012 | US20120155703 Microphone array steering with image-based source location |
| 06/21/2012 | DE102010054897A1 Verstärkerschaltung für eine Zwei-Draht-Schnittstelle Amplifier circuit for a two-wire interface |
| 06/21/2012 | DE102010054895A1 Mikrofonverstärker Microphone Amplifier |
| 06/20/2012 | EP2466918A2 Audio system, audio signal processing device and method, and program |
| 06/20/2012 | EP2466581A2 Sound processing apparatus and sound processing program |
| 06/20/2012 | EP2465200A1 System for increasing perceived loudness of speakers |
| 06/20/2012 | CN202282856U 一种电容麦克风阻抗转换器芯片 A capacitive microphone impedance converter chip |
| 06/20/2012 | CN1784926B Array speaker system |
| 06/20/2012 | CN1678135B Remote control of phantom power supplied microphones |
| 06/20/2012 | CN102510550A Method for distinguishing three-segment earphone and four-segment earphone on wireless terminal |
| 06/20/2012 | CN102510549A Minitype digital programmable audio processing chip module and routing method |
| 06/20/2012 | CN102510548A Output adjustment method for sound energy obtained by sound wave interaction in nonlinear medium |
| 06/20/2012 | CN102509552A Method for enhancing microphone array voice based on combined inhibition |
| 06/20/2012 | CN101667876B Signal transmission apparatus and method |
| 06/20/2012 | CN101330770B Audio system capable of controlling open and close through input signal level and on-off control method thereof |
| 06/20/2012 | CN101226766B Audio play device automatically adjusting play parameter |
| 06/19/2012 | US8204260 Speaker apparatus, speaker driving apparatus and control method thereof |
| 06/19/2012 | US8204259 Condenser microphone |
| 06/19/2012 | US8204249 Methods and systems for reducing acoustic echoes in multichannel audio-communication systems |
| 06/19/2012 | US8204248 Acoustic localization of a speaker |
| 06/19/2012 | US8204247 Position-independent microphone system |
| 06/14/2012 | US20120148071 Micromechanical Digital Loudspeaker |
| 06/14/2012 | US20120148067 Wind noise detection method and system |
| 06/14/2012 | US20120148063 Audio processing apparatus, audio processing method, and image capturing apparatus |
| 06/14/2012 | DE102010062930A1 Verfahren zur Erfassung eines Objekts in einem Umfeld und Vorrichtung zur Erzeugung eines Ultraschallsignals A method for detecting an object in an environment and apparatus for generating an ultrasonic signal |
| 06/13/2012 | EP2464127A1 Electronic device generating stereo sound synchronized with stereographic moving picture |
| 06/13/2012 | EP1962547B1 Teleconference device |
| 06/13/2012 | EP1954038B1 Audio output system control method and audio output system |
| 06/13/2012 | EP1562403B1 Audio signal processing method and processing device |
| 06/13/2012 | EP1433359B1 Dynamic range compression using digital frequency warping |
| 06/13/2012 | CN202276457U 降频式功放及有源功率补偿分频电路 Amplifier and reduced frequency divider circuit of active power compensation |
| 06/13/2012 | CN202276456U 一种音响数控系统 An acoustic CNC system |
| 06/13/2012 | CN202276455U 无线音频控制装置 Wireless audio control device |
| 06/13/2012 | CN202276442U Headset controlled by intelligent induction |
| 06/13/2012 | CN1942017B Apparatus and method to cancel crosstalk and stereo sound generation system using the same |
| 06/13/2012 | CN1805615B Integrate three-pole and three-voice coil loudspeaker and its power amplifier and control circuit |
| 06/13/2012 | CN1507185B Method and equipment for long-distance controlling audio frequency source |
| 06/13/2012 | CN102497608A Sound control circuit for digital photo frame |
| 06/13/2012 | CN101681617B Communication apparatus with ambient noise reduction |
| 06/13/2012 | CN101455093B Voice conference device |
| 06/13/2012 | CN101426158B Audio switching device having volume regulating function |
| 06/13/2012 | CN101040564B 音频信号处理装置及音频信号处理方法 The audio signal processing apparatus and audio signal processing method |
| 06/12/2012 | US8200349 Integrated audio video signal processing system using centralized processing of signals |
| 06/12/2012 | US8199936 Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 06/12/2012 | US8199931 Parametric loudspeaker with improved phase characteristics |
| 06/12/2012 | US8199925 Loudspeaker array audio signal supply apparatus |
| 06/12/2012 | CA2603874C Headphones for connection to an external active noise compensation device |
| 06/12/2012 | CA2313979C Synchronizing apparatus for a compressed audio/video signal receiver |
| 06/07/2012 | WO2012074503A1 Dynamic microphone signal mixer |
| 06/07/2012 | WO2012074485A1 A method for optimizing performance of a multi-transducer earpiece and a multi-transducer earpiece |
| 06/07/2012 | WO2012072804A1 Apparatus and method for geometry-based spatial audio coding |
| 06/07/2012 | WO2012072798A1 Sound acquisition via the extraction of geometrical information from direction of arrival estimates |
| 06/07/2012 | WO2012072787A1 Apparatus and method for spatially selective sound acquisition by acoustic triangulation |
| 06/07/2012 | WO2012071650A1 Advanced communication earpiece device and method |
| 06/07/2012 | US20120140956 Differential microphone circuit |
| 06/07/2012 | US20120140948 Directional microphone device and directivity control method |
| 06/07/2012 | US20120140947 Apparatus and method to localize multiple sound sources |
| 06/07/2012 | US20120140946 Wind Noise Mitigation |
| 06/07/2012 | US20120140932 Protection circuit and electronic device using the same |
| 06/07/2012 | CA2819906A1 Advanced communication earpiece device and method |
| 06/07/2012 | CA2819502A1 Apparatus and method for geometry-based spatial audio coding |
| 06/07/2012 | CA2819394A1 Sound acquisition via the extraction of geometrical information from direction of arrival estimates |