| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 03/17/2010 | CN201424324Y Elevator voice playing device |
| 03/17/2010 | CN201422284Y Plant audio frequency generator |
| 03/17/2010 | CN101675669A 麦克风放大器 Microphone Amplifier |
| 03/17/2010 | CN101674513A Consumer electronic product |
| 03/17/2010 | CN101674512A Method and apparatus to create a sound field |
| 03/16/2010 | US7680288 Apparatus and method for generating, storing, or editing an audio representation of an audio scene |
| 03/16/2010 | US7680287 Directional setting apparatus, directional setting system, directional setting method and directional setting program |
| 03/16/2010 | US7680286 Sound field measurement device |
| 03/11/2010 | WO2010027615A2 Asymmetric composite acoustic wave sensor |
| 03/11/2010 | WO2009154981A3 Mems microphone array on a chip |
| 03/11/2010 | WO2009145511A3 Wireless microphone |
| 03/11/2010 | US20100062754 Cue-aware privacy filter for participants in persistent communications |
| 03/11/2010 | US20100061577 Electromagnetic Interference Shields with Piezos |
| 03/11/2010 | US20100061570 Communication device |
| 03/11/2010 | US20100061558 Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues |
| 03/11/2010 | DE102008046048A1 Unterhaltungssystem und Hörer Entertainment system and handset |
| 03/10/2010 | EP2161948A1 Electrostatic loudspeaker systems for application in the cabin of an industrial or commercial vehicle |
| 03/10/2010 | EP2160921A1 Beamforming system comprising a transducer assembly |
| 03/10/2010 | CN101667876A Signal transmission apparatus and method |
| 03/09/2010 | US7676047 Electroacoustical transducing with low frequency augmenting devices |
| 03/09/2010 | US7676044 Multi-speaker audio system and automatic control method |
| 03/09/2010 | CA2502974C Howling frequency component emphasis method and apparatus |
| 03/04/2010 | WO2009097462A3 Loudspeaker system and method for producing synthesized directional sound beam |
| 03/04/2010 | US20100054495 Noise Mitigating Microphone System and Method |
| 03/04/2010 | US20100054494 Microphone circuit |
| 03/04/2010 | US20100054487 Sound insulating device |
| 03/04/2010 | US20100054085 Method and Device for Locating a Sound Source |
| 03/04/2010 | US20100053466 System and methods for television with integrated surround projection system |
| 03/04/2010 | DE112008000785T5 In Ohrhörer integriertes Ohrstück In Earphones integrated earpiece |
| 03/04/2010 | DE102008045559A1 Horizontal and vertical sound propagation control method for use in e.g. concert hall, involves overlapping transfer regions, and influencing target functions of amplitude frequency and phase responses of regions in separate manner |
| 03/03/2010 | EP2158788A1 Sound discrimination method and apparatus |
| 03/03/2010 | EP1527654B1 Electroacoustic transducer with built in transducer circuit |
| 03/03/2010 | EP1500299B1 Loudspeaker system |
| 03/03/2010 | CN201418142Y microphone |
| 03/03/2010 | CN201418062Y Human body induction control device for volume of medical equipment |
| 03/03/2010 | CN201417602Y Buzzer drive circuit |
| 03/03/2010 | CN101662714A Microphone array designing method for locating pickup in complex sound field based on time reversal |
| 03/03/2010 | CN101662713A Signal processing method and signal processing system |
| 03/03/2010 | CN101662712A Microphone circuit |
| 03/03/2010 | CN100593351C 阵列装置以及便携式终端 Array apparatus and a portable terminal |
| 03/02/2010 | US7672461 Method and apparatus for creating a virtual third channel in a two-channel amplifier |
| 02/25/2010 | WO2010021803A2 Two wire autobias vehicular microphone system having user input functionality and method of forming same |
| 02/25/2010 | WO2010021417A1 Noise cancelling on-ear headphone |
| 02/25/2010 | WO2010021414A1 Headphone |
| 02/25/2010 | WO2010021154A1 Recorder/reproducer |
| 02/25/2010 | WO2009148311A3 Sound reproduction system, carrier, method for generating a correction profile and sound reproduction method |
| 02/25/2010 | US20100048138 Communication device |
| 02/25/2010 | US20100046926 Recording medium, reproduction device, program, reproduction method, and integrated circuit |
| 02/25/2010 | US20100046776 Adaptive microphone system for a hearing device and associated operating method |
| 02/25/2010 | US20100046770 Systems, methods, and apparatus for detection of uncorrelated component |
| 02/25/2010 | US20100046763 Sound pickup apparatus |
| 02/25/2010 | US20100045462 Devices for identifying and tracking wireless microphones |
| 02/24/2010 | CN201414213Y LED illumination wireless plane art acoustics |
| 02/24/2010 | CN201414212Y Audio power amplifying device supplied with power by computer port and adopting dual-voice coil loudspeaker |
| 02/24/2010 | CN201414211Y Automatic classroom-acoustics adjusting device |
| 02/24/2010 | CN201414210Y Device for audio signal detection and automatic speaker power supply control |
| 02/24/2010 | CN201414209Y Music fountain audio level converter |
| 02/24/2010 | CN201414204Y Multifunctional vehicle radio station microphone |
| 02/24/2010 | CN201409919Y Synchronous heart rate testing display device |
| 02/24/2010 | CN101656904A Electrostatic loudspeaker array |
| 02/24/2010 | CN100592824C System capable of eliminating heat effect of speaker |
| 02/24/2010 | CN100592384C Variable multi-dimensional apodization control for ultrasonic transducers |
| 02/23/2010 | US7668324 Folding electronic device |
| 02/23/2010 | US7668320 Sound reproduction in portable electronic equipment |
| 02/23/2010 | US7668318 Distributed stereo system |
| 02/23/2010 | US7666138 Ultrasonic transmitting and receiving apparatus and ultrasonic transmitting and receiving method |
| 02/18/2010 | WO2010019660A2 A switch for a hearing aid |
| 02/18/2010 | WO2010019634A2 Wearable headset with self-contained vocal feedback and vocal command |
| 02/18/2010 | WO2010019622A2 Hearing assistance using an external coprocessor |
| 02/18/2010 | WO2010018879A1 Headphone |
| 02/18/2010 | WO2009131658A3 An electrical system for a speaker and its control |
| 02/18/2010 | US20100039355 Speaker apparatus providing with visual screen |
| 02/18/2010 | DE102008053095A1 Filteranordnung Filter assembly |
| 02/18/2010 | DE102008029650B4 Schaltung zur Entkopplung von Sendespannungen Circuit for decoupling transmit voltages |
| 02/18/2010 | CA2733973A1 A switch for a hearing aid |
| 02/17/2010 | EP2154907A1 Acoustic device |
| 02/17/2010 | EP2153689A1 Human body sound transmission system and method using single sound source |
| 02/17/2010 | EP2153441A1 A device for and a method of processing audio data |
| 02/17/2010 | EP2153435A1 Communication apparatus with ambient noise reduction |
| 02/17/2010 | EP1964438B1 Device for and method of processing an audio data stream |
| 02/17/2010 | EP0664071B2 Hearing aid having a microphone switching system |
| 02/17/2010 | CN201409215Y Microphone sound-mixing device |
| 02/17/2010 | CN101653015A Signal processing device |
| 02/17/2010 | CN101653014A headset |
| 02/16/2010 | US7664274 Enhanced acoustic transmission system and method |
| 02/16/2010 | US7664270 3D audio signal processing system using rigid sphere and method thereof |
| 02/11/2010 | US20100036659 Noise-Reduction Processing of Speech Signals |
| 02/10/2010 | CN201403197Y Capacitance-type microphone |
| 02/10/2010 | CN201403188Y POP noise suppression circuit |
| 02/10/2010 | CN201403178Y Infrared greeting device |
| 02/10/2010 | CN201403137Y Digital camera with alarm clock function |
| 02/10/2010 | CN201403123Y 对讲机 Interphone |
| 02/10/2010 | CN201400137Y Taxi passenger carrying status indication card with digital recording function |
| 02/10/2010 | CN101646114A Method and device for automatically regulating tone quality of electroacoustic equipment |
| 02/10/2010 | CN100589349C Control method of mixing system and control apparatus of mixing system |
| 02/09/2010 | US7660825 Audio/visual content providing system and audio/visual content providing method |
| 02/09/2010 | US7660425 Acoustic echo cancellation |
| 02/09/2010 | CA2460337C Apparatus and method for level-dependent companding for wireless audio noise reduction |
| 02/04/2010 | WO2010014663A2 Method for adaptive control and equalization of electroacoustic channels |
| 02/04/2010 | WO2010014074A1 Electronic device directional audio-video capture |