| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 10/01/2008 | CN201127109Y 信号处理器 Signal Processor |
| 10/01/2008 | CN101278596A Directional audio capturing |
| 10/01/2008 | CN100423613C Reproducing device for multiple sound channel signals |
| 10/01/2008 | CN100423457C Rodio microphone system, phonetic receiver and radio microphone |
| 10/01/2008 | CN100422765C Integrated acoustic transducer assembly |
| 09/30/2008 | CA2627807A1 Multifunctional connection cord for multimedia device |
| 09/30/2008 | CA2332092C Circuit and method for the adaptive suppression of noise |
| 09/25/2008 | WO2008113822A2 Headset |
| 09/25/2008 | US20080232607 Robust adaptive beamforming with enhanced noise suppression |
| 09/25/2008 | DE102007013719A1 Hörer Listener |
| 09/25/2008 | DE102005058629B4 Digitaler Schall-Wandler Digital sound transducer |
| 09/24/2008 | EP1972502A1 In-vehicle information reproducing apparatus |
| 09/24/2008 | EP1971905A1 Media data synchronization in a wireless network |
| 09/24/2008 | EP1728410B1 A method and system for processing sound signals |
| 09/24/2008 | CN201123123Y Audio playback device for eliminating exterior noise |
| 09/24/2008 | CN101272635A Audio output circuit capable of reducing noise and related method |
| 09/24/2008 | CN101271682A Sound amplifier with speaker |
| 09/24/2008 | CN100421065C Graphics card for smoothing the playing of video |
| 09/23/2008 | US7428309 Analog preamplifier measurement for a microphone array |
| 09/18/2008 | WO2008111362A1 Sound image localizing device, method, and program |
| 09/18/2008 | WO2008111116A1 Av composite editor, av processor, and program |
| 09/18/2008 | WO2008111115A1 Av processor and program |
| 09/18/2008 | WO2008111114A1 Av editor, av processor, and program |
| 09/18/2008 | WO2008111113A1 Effect device, av processing device and program |
| 09/18/2008 | WO2008110199A1 Loudspeaker apparatus for radiating acoustic waves in a hemisphere |
| 09/18/2008 | WO2008110016A1 Wireless headphones for use with a portable auditory and voice system |
| 09/18/2008 | US20080226097 Filter Circuit and Reproduction Device Using the Same |
| 09/18/2008 | US20080226090 Oscillation/Echo Canceller System |
| 09/18/2008 | US20080226087 Position Sensing Using Loudspeakers as Microphones |
| 09/17/2008 | EP1971184A2 Bass enhancing method, signal processing device, and audio reproducing system |
| 09/17/2008 | EP1971183A1 Teleconference device and sound emission/collection device |
| 09/17/2008 | EP1971024A2 Television set and audio output unit |
| 09/17/2008 | EP1969335A1 System and method for separation of a user's voice from ambient sound |
| 09/17/2008 | EP1468550A4 Digital linking of multiple microphone systems |
| 09/17/2008 | CN201118958Y Sound type selectable sound output device |
| 09/17/2008 | CN201118957Y 耳机检测电路 Headphone detection circuit |
| 09/17/2008 | CN201118956Y An earphone with noise reduction function |
| 09/17/2008 | CN201118955Y A sound amplifier with recording function |
| 09/17/2008 | CN201118954Y An earphone circuit device |
| 09/17/2008 | CN201118673Y A built-in earphone mobile phone |
| 09/17/2008 | CN201118574Y Wireless digital transmitter |
| 09/17/2008 | CN201117241Y Multifunctional musical instrument box |
| 09/17/2008 | CN101268715A Teleconference device |
| 09/17/2008 | CN101268714A Noise mitigating microphone system and method |
| 09/17/2008 | CN101267686A Speaker array apparatus and signal processing method therefor |
| 09/17/2008 | CN101267195A A power on and power off muffling circuit |
| 09/17/2008 | CN100420149C Communication device with active equalization and method therefor |
| 09/16/2008 | US7426278 Sound device provided with a geometric and electronic radiation control |
| 09/12/2008 | WO2008109683A1 Small-footprint microphone module with signal processing functionality |
| 09/12/2008 | WO2008109327A2 Audio system with synthesized positive impedance |
| 09/12/2008 | WO2008109210A1 System and method for intelligent equalization |
| 09/11/2008 | US20080219474 Microphone with voltage pump |
| 09/11/2008 | US20080219470 Signal processing apparatus, signal processing method, and program recording medium |
| 09/11/2008 | US20080219469 Full Range Planar Magnetic Microphone And Arrays Thereof |
| 09/11/2008 | US20080219466 Low bit-rate universal audio coder |
| 09/11/2008 | US20080219099 Determining angles of arrival using multipaths |
| 09/11/2008 | US20080218631 Television set and audio output unit |
| 09/10/2008 | EP1968342A2 Speaker apparatus, speaker driving apparatus and control method thereof |
| 09/10/2008 | EP1966957A2 System for wirelessly distributing an audio signal between a plurality of active loudspeakers |
| 09/10/2008 | EP1273002B1 Rhythmic apparatus, rhythmic accompaniment method and electronic transducer |
| 09/10/2008 | CN201114777Y A background music transmission system structure |
| 09/10/2008 | CN201114767Y Small-diameter and small power multi-unit sound recovery system |
| 09/10/2008 | CN201114737Y An ultra-wide frequency response shift frequency feedback controller |
| 09/10/2008 | CN201114736Y Car multi-voice horn |
| 09/10/2008 | CN201114735Y Frequency self-adapted electronic horn |
| 09/10/2008 | CN201114734Y An onboard sound self-adapted sound field adjusting device |
| 09/10/2008 | CN201114733Y Earphone circuit and TV with this circuit |
| 09/10/2008 | CN201114663Y Passive motorcycle low-voice gun |
| 09/10/2008 | CN201113925Y Digital message amplifier |
| 09/10/2008 | CN101263734A Post-filter for microphone array |
| 09/10/2008 | CN101263710A Video/sound output device and external speaker control device |
| 09/10/2008 | CN101262712A A voice directional spreading sound system |
| 09/09/2008 | US7424119 Voice matching system for audio transducers |
| 09/09/2008 | US7424118 Moving object equipped with ultra-directional speaker |
| 09/04/2008 | WO2008105661A1 Method and device for sound processing and hearing aid |
| 09/04/2008 | WO2008105234A1 Capacitance variation detecting circuit and semiconductor device |
| 09/04/2008 | US20080212800 Diaphragm for Speaker, Method for Producing Same, Speaker Using Such Diaphragm, and Apparatus Using Such Speaker |
| 09/04/2008 | US20080212798 System and Method for Intelligent Equalization |
| 09/04/2008 | US20080212033 Project Equipped with Ultrasonic Speaker, and Method for Displaying Sound Reproduction Range in Projector |
| 09/04/2008 | DE19983334B4 Aktive digitale Audio/Videosignalmodifikation zur Korrektur von Wiedergabesystemunzulänglichkeiten Active digital audio / video signal modification to correct reproduction system inadequacies |
| 09/03/2008 | EP1965603A1 Sound emission and collection device |
| 09/03/2008 | EP1964438A1 Device for and method of processing an audio data stream |
| 09/03/2008 | CN101257738A Sensitive silicon microphone with wide dynamic range |
| 09/03/2008 | CN101257729A Signal processing apparatus and signal processing method |
| 09/02/2008 | CA2456298C A method of and apparatus for producing apparent multidimensional sound |
| 08/28/2008 | WO2008103672A2 Microfabricated microphone |
| 08/28/2008 | US20080205687 Magnetic circuit for electrodynamic moving voice coil actuators |
| 08/28/2008 | US20080205668 Sensitive silicon microphone with wide dynamic range |
| 08/28/2008 | US20080205666 Device For Processing Audio Data, A Method Of Processing Audio Data, A Program Element And A Computer-Readable Medium |
| 08/28/2008 | US20080205665 Voice conference apparatus |
| 08/28/2008 | US20080205663 Supplying Electrical Power |
| 08/27/2008 | EP1962549A2 Speaker array apparatus and signal processing method therefor |
| 08/27/2008 | EP1962548A1 Sound collection/reproduction method and device |
| 08/27/2008 | EP1962547A1 Teleconference device |
| 08/27/2008 | EP1962546A2 Sensitive silicon microphone with wide dynamic range |
| 08/27/2008 | CN101253803A Voice output device and method, program, and room |
| 08/27/2008 | CN101252801A Method and apparatus for controlling light |
| 08/27/2008 | CN101252792A Speaker array apparatus and signal processing method therefor |
| 08/27/2008 | CN100414987C Electronic apparatus and image pick-up apparatus |
| 08/26/2008 | US7418379 Circuit for improving the intelligibility of audio signals containing speech |