| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 02/13/2013 | CN102932714A Boundary microphone for netmeeting |
| 02/13/2013 | CN102932713A 信号处理装置 Signal processing means |
| 02/13/2013 | CN102932712A Method and system for designing interface circuit and interface circuit |
| 02/13/2013 | CN102932711A Wireless microphone signal transmitting circuit |
| 02/13/2013 | CN102932706A Headset with two built-in loudspeakers and signal processing method of headset |
| 02/13/2013 | CN102932704A Audio emission chip, audio receiving chip and wireless microphone system |
| 02/13/2013 | CN101783988B Vehicle external amplifier for generating high power |
| 02/13/2013 | CN101627639B Audio system with synthesized positive impedance |
| 02/13/2013 | CN101584197B User selectable audio mixing |
| 02/13/2013 | CN101558659B Volume and tone control in direct digital speakers |
| 02/13/2013 | CN101179873B Noise canceling system and noise canceling method |
| 02/12/2013 | US8374855 System for suppressing rain noise |
| 02/12/2013 | US8374363 Amplifier circuit of capacitor microphone |
| 02/12/2013 | US8374362 Signaling microphone covering to the user |
| 02/12/2013 | US8374358 Method for determining a noise reference signal for noise compensation and/or noise reduction |
| 02/10/2013 | CA2782358A1 Remote control of a portable electronic device and method therefor |
| 02/07/2013 | WO2013018973A1 Switching amplifier and audio device |
| 02/07/2013 | WO2013018141A1 Power supply device, audio transmission device, speaker system, speaker, control method for power supply device and program |
| 02/07/2013 | WO2013018140A1 Speaker system, audio transmission device, speaker, audio transmission method and program |
| 02/07/2013 | WO2013018139A1 Speaker system, audio transmission device, speaker, audio transmission method and program |
| 02/07/2013 | WO2013018138A1 Audio transmission method, speaker system, audio transmission device, speaker, and program |
| 02/07/2013 | US20130034241 Methods and apparatuses for multiple configurations of beamforming microphone arrays |
| 02/07/2013 | US20130034236 Signal processing apparatus |
| 02/07/2013 | DE102011080518A1 Hörer und Verfahren zum Steuern eines Hörers Receiver and method for controlling a receiver |
| 02/06/2013 | EP2555189A1 Method and device for speech enhancement, and communication headphones with noise reduction |
| 02/06/2013 | EP2553946A2 Method and device for loudspeaker control |
| 02/06/2013 | EP2553810A1 System and method for limiting excursion of an audio speaker |
| 02/06/2013 | CN202721809U 可控指向性声柱 Controllable directional sound column |
| 02/06/2013 | CN202721808U Portable wireless combined loudspeaker box system |
| 02/06/2013 | CN202721807U 耳机接口电路及电子设备 Headphone jack circuit and electronic equipment |
| 02/06/2013 | CN202721806U Device for performing audio signal uplinking through audio interface |
| 02/06/2013 | CN202721805U Device for automatically identifying microphone pin and ground pin of audio interface and signature tool |
| 02/06/2013 | CN202721804U 蓝牙耳机电路板 Bluetooth headsets board |
| 02/06/2013 | CN202721728U Mobile phone and audio amplification output circuit thereof |
| 02/06/2013 | CN202721721U Mobile phone microphone control circuit |
| 02/06/2013 | CN202721651U Audio interface matching recognition device of mobile terminal and electronic signature tool |
| 02/06/2013 | CN102918870A Speaker device, sound source simulation system, and echo canceling system |
| 02/06/2013 | CN102917294A Audio recording and playback device, and power feed method for audio recording and playback device |
| 02/06/2013 | CN101682811B Sound reproducing device using insert-type earphone |
| 02/06/2013 | CN101494810B Sound play device and method |
| 02/06/2013 | CN101288334B Method and apparatus for improving noise discrimination using attenuation factor |
| 02/06/2013 | CN101171880B Headphones for connection to an external active noise compensation device |
| 02/05/2013 | US8369533 Array speaker apparatus |
| 02/05/2013 | US8369531 Audio reproducing apparatus and method thereof |
| 02/05/2013 | CA2729742C Switched resonant ultrasonic power amplifier system |
| 01/31/2013 | WO2013013943A1 Vehicle with side wall speakers |
| 01/31/2013 | WO2012163451A3 Controlling multichannel signals |
| 01/31/2013 | US20130028451 Dual Cartridge Directional Microphone |
| 01/31/2013 | US20130028439 Input device, signal processing method, program, and recording medium |
| 01/31/2013 | US20130028436 Noise reducing sound reproduction system |
| 01/31/2013 | DE102012000499B4 Schallwandler, nämlich Air-Motion-Transformer Transducers, namely Air Motion Transformer |
| 01/31/2013 | DE102006009045B4 Lautsprecheranlage für einen Zug Speaker system for a train |
| 01/31/2013 | CA2857406A1 Multiple logical representations of audio functions in a wireless audio transmitter that transmits audio data at different data rates |
| 01/31/2013 | CA2843010A1 Vehicle with side wall speakers |
| 01/30/2013 | EP2552127A1 Microphone unit and audio input device provided with same |
| 01/30/2013 | EP2551849A1 Off-axis audio suppression in an automobile cabin |
| 01/30/2013 | EP2551845A1 Noise reducing sound reproduction |
| 01/30/2013 | EP2550809A2 Techniques for localized perceptual audio |
| 01/30/2013 | CN202713583U Intelligent energy-saving play control system for sound equipment |
| 01/30/2013 | CN202713582U Multifunctional earphone sound box |
| 01/30/2013 | CN202713581U Wireless stereo adapter device |
| 01/30/2013 | CN202713580U Earphone compatible interface circuit for terminal device |
| 01/30/2013 | CN202713563U 蓝牙耳机电路板 Bluetooth headsets board |
| 01/30/2013 | CN202713235U Audio power amplifier supplying power to microphone |
| 01/30/2013 | CN102905213A 音频信号处理设备和音频信号处理方法 Audio signal processing apparatus and an audio signal processing method |
| 01/30/2013 | CN102905212A Anti-sonic boom display device and audio signal processing device |
| 01/30/2013 | CN102905211A Sound output device using vacuum tube, audio apparatus and method for sound output thereof |
| 01/30/2013 | CN102905210A Input device, signal processing method, program, and recording medium |
| 01/30/2013 | CN102905206A Noise reducing sound reproduction |
| 01/30/2013 | CN102903360A Microphone-array-based speech recognition system and method |
| 01/30/2013 | CN101771385B Power amplification circuit and thermally induced sound-producing device with power amplification circuit |
| 01/30/2013 | CN101228808B 信息提供系统 The information providing system |
| 01/29/2013 | US8364295 Interactive sound reproducing |
| 01/29/2013 | US8363857 Portable electronic device |
| 01/29/2013 | US8363855 Multichannel downmixing device |
| 01/29/2013 | US8363848 Method, computer readable storage medium and system for localizing acoustic source |
| 01/29/2013 | US8363846 Frequency domain signal processor for close talking differential microphone array |
| 01/29/2013 | CA2783913A1 Off-axis audio suppression in an automobile cabin |
| 01/26/2013 | CA2783383A1 Noise reducing sound reproduction |
| 01/26/2013 | CA2783382A1 Noise reducing sound reproduction |
| 01/25/2013 | DE202012011203U1 Kopfhörer Signalweiche Headphone signal splitter |
| 01/24/2013 | WO2013012582A1 Shaping sound responsive to speaker orientation |
| 01/24/2013 | WO2013012124A1 Fitting method for a hearing aid using a sound source to which parameters are applied, and hearing aid using the method |
| 01/24/2013 | WO2013011552A1 Switcher for listening room in audio store |
| 01/24/2013 | WO2013010259A1 System and method for modular on-demand audio processing, amplification and distribution |
| 01/24/2013 | US20130022217 Sound zoom method, medium, and apparatus |
| 01/24/2013 | US20130022216 Systems and methods for processing audio signals captured using microphones of multiple devices |
| 01/24/2013 | US20130022214 Method and System for Touch Gesture Detection in Response to Microphone Output |
| 01/24/2013 | US20130021503 Electronic Apparatus Having Microphones with Controllable Front-Side Gain and Rear-Side Gain |
| 01/24/2013 | DE112009002617T5 Wahlweises Schalten zwischen mehreren Mikrofonen Dial-by-step switching between multiple microphones |
| 01/24/2013 | DE102011079303A1 Verfahren und Vorrichtung zur Anpassung der Empfindlichkeit mindestens eines Ultraschallsensors im laufenden Betrieb Method and apparatus for adjusting the sensitivity of at least one ultrasonic sensor during operation |
| 01/24/2013 | CA2842003A1 Shaping sound responsive to speaker orientation |
| 01/24/2013 | CA2840845A1 System and method for modular on-demand audio processing, amplification and distribution |
| 01/23/2013 | EP2549775A2 Dynamically configurable ANR filter and signal processing topology |
| 01/23/2013 | EP2549774A2 Dynamically configurable ANR filter and signal processing topology |
| 01/23/2013 | EP2549473A1 Method of sound analysis and associated sound synthesis |
| 01/23/2013 | EP2548378A1 Speaker system and method of operation therefor |
| 01/23/2013 | EP2548340A1 Switchable wired-wireless electromagnetic signal communication |
| 01/23/2013 | CN202696879U Amplifier circuit of condenser microphone |
| 01/23/2013 | CN202696876U Adjustable vehicle-mounted microphone assembly, corresponding microphone and automobile thereof |