Patents for H04R 27 - Public address systems (2,454)
06/2012
06/27/2012CN202285433U 一种多功能组合音响 A versatile music center
06/26/2012US8208970 Directional communication systems
06/26/2012US8208649 Methods and systems for robust approximations of impulse responses in multichannel audio-communication systems
06/20/2012CN1784926B Array speaker system
06/20/2012CN101667876B Signal transmission apparatus and method
06/19/2012US8204249 Methods and systems for reducing acoustic echoes in multichannel audio-communication systems
06/18/2012DE202012004810U1 Portables Lautsprechergehäuse Portable speaker cabinet
06/13/2012EP1962547B1 Teleconference device
06/13/2012CN102497613A Dual-channel real-time voice output method for amplifying classroom voices
06/12/2012US8199927 Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
06/06/2012CN202269015U 一种音乐播放器 A musical player
06/06/2012CN101572851B Magnesium alloy integrally cast sound box and manufacturing method thereof
05/2012
05/30/2012EP1540987B1 Public address system tuning method
05/30/2012CN202261795U Multifunctional wall picture audio appliance
05/30/2012CN202261794U Music center of mobile phone
05/30/2012CN202261793U Base-type combined sound box with digital video playing function
05/30/2012CN202258331U Small portable sound box capable of automatically switching playing modes
05/30/2012CN101562771B Rotatable combination sound box
05/29/2012US8190438 Targeted audio in multi-dimensional space
05/24/2012WO2012066265A1 Spectrum correction system intended in particular for an auditorium
05/23/2012CN202231864U Multi-functional combination audio
05/23/2012CN202231729U Broadcasting system for ships
05/23/2012CN102469402A 音频系统 Audio Systems
05/23/2012CN101287307B Loudspeaker of electric powered steering type
05/17/2012US20120121104 Wired, wireless, infrared, and powerline audio entertainment systems
05/16/2012EP2452509A1 Coupling system for coupling loudspeaker housings, loudspeaker housing and method for hoisting loudspeaker housings
05/16/2012DE202012100945U1 Lautsprecherbox und Verbundaufstellung Speaker and composite formation,
05/16/2012CN1939085B Integrated electro acoustic equipment with portable compact construction for sound applications
05/15/2012CA2656766C Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
05/10/2012WO2011128462A3 Method for providing distant support to a plurality of personal hearing system users and system for implementing such a method
05/09/2012CN202218400U Horn-shaped coaxial sound amplifying system
05/09/2012CN202218399U Dual-purpose computer loudspeaker box
05/09/2012CN102448005A Audio extender
05/08/2012US8175297 Ad hoc sensor arrays
05/02/2012CN102436817A Method and device for frequency compression with harmonic correction
05/01/2012US8170884 Use of voice-to-remaining audio (VRA) in consumer applications
05/01/2012US8170193 Spatial sound conference system and method
04/2012
04/26/2012DE102010049204A1 Verfahren und Anordnung zur Optimierung der Raumparameter Beschallung, Beleuchtung und Klimatisierung Method and apparatus for optimizing the parameter space sound, lighting and air-conditioning
04/25/2012EP2445232A1 Method and assembly for optimising the room parameters of exposure to sonic waves, lighting and air conditioning
04/25/2012CN202206544U 通用型深耳道式助听器 Universal-canal hearing aid
04/25/2012CN202206543U 一种具有显示紫外线指数功能的便携式多媒体小音箱 UV index having a display function portable multimedia mini speaker
04/25/2012CN202206542U 一种可挂墙的音响 One kind can be wall-mounted audio
04/25/2012CN202206515U Sound amplifying seat with sound amplifying function
04/24/2012US8165334 Speaker system and speaker cluster system
04/18/2012EP2441242A1 Conference system
04/18/2012EP1715717B1 Moving object equipped with ultra-directional speaker
04/18/2012CN102421055A 无线数字遥控音箱装置 Wireless digital remote speaker device
04/18/2012CN102421054A 多声道显示器上空间音频配置的方法和设备 Method and apparatus for multi-channel audio configuration of the display space
04/17/2012US8160734 Changing time intervals of the occurence of audio information from local and remote sites
04/11/2012CN202190404U 蓝牙音响 Bluetooth Audio
04/11/2012CN202190403U 一种竹制简易扩音器 One kind of bamboo simple megaphone
04/11/2012CN202190402U 带有通话功能的防爆音箱 Ex speaker with a call feature
04/11/2012CN102413412A 具有闭塞抑制和次声能量控制的助听器 Having occlusion suppression and infrasound energy control hearing aids
04/11/2012CN102413411A 一种便携式扩音机 A portable megaphone
04/10/2012US8155362 Wireless listening system
04/10/2012US8155339 Air-droppable loudspeaker
04/04/2012CN202183870U Speaker capable of providing wireless charging for portable electrical appliance
04/04/2012CN202183869U 实用功放 Practical Amplifier
04/04/2012CN102404131A Communication terminal, communication management system, communication system, and sound input part registering method
03/2012
03/28/2012EP2434782A2 Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
03/22/2012WO2012034307A1 Portable solar sound box
03/21/2012CN202172484U 水舞音响 Water Dance Sound
03/15/2012WO2012031429A1 Separable solar energy sound box
03/14/2012CN202168184U 具有粘贴功能的无线扬声器 Paste function has wireless speakers
03/07/2012EP2426955A1 Volume control terminal apparatus and volume control method
03/07/2012CN202160278U 应急多功能自动定位报警数码电源音箱 Emergency power multifunction digital alarm automatically positioned speakers
03/06/2012US8131390 Network speaker for an audio network distribution system
02/2012
02/29/2012EP2424276A2 Audio transmission device for cooperation with a hearing device comprising a telecoil for use in an elevator
02/29/2012CN202153780U 便携式组合音响 Portable music center
02/22/2012CN202150938U 太阳能音乐系统 Solar Music System
02/22/2012CN202150244U 一种竖屏联网广告机 One kind of portrait networking advertising
02/15/2012EP2418874A1 Apparatus and method of audio reproduction
02/15/2012CN102355622A Synchronous external-playing system and application device thereof
02/14/2012US8116473 Output phase modulation entrainment containment for digital filters
02/08/2012EP2416593A1 Method for indoor communication
02/07/2012US8111840 Echo reduction system
02/07/2012US8111837 Data-driven media management within an electronic device
02/01/2012CN202135321U 功放机 Amplifier
02/01/2012CN102340728A Loudspeaker box arrangement method using linear array loudspeaker boxes for sound reinforcement in stadium
01/2012
01/25/2012EP2410763A1 Howling canceller
01/25/2012CN202127508U Audio emitter
01/24/2012US8103009 Wired, wireless, infrared, and powerline audio entertainment systems
01/18/2012CN202121779U Public address set based on Bluetooth
01/17/2012US8098841 Sound field controlling apparatus
01/11/2012CN202111856U Multifunctional vehicle-mounted Bluetooth speaker system
01/11/2012CN102316405A Microphone assembly for use with an aftermarket telematics unit
01/11/2012CN102312532A Awning
01/05/2012WO2012001419A1 Apparatus for radiating an audio signal
01/04/2012CN202103851U Navigator audio frequency and bluetooth conversation realization circuit
01/04/2012CN202103850U Bluetooth voice module applied to simulative amplification system
01/04/2012CN202102667U Exit-indicating lamp capable of increasing broadcasting range
01/04/2012CN102308597A Conference microphone system
01/03/2012CA2540393C Addressable amplified speaker assembly and method for addressing the same
12/2011
12/28/2011CN202095091U 一种智能功放模块的安装结构 An intelligent power amplifier module mounting structure of
12/27/2011US8086277 Transmitter of wireless microphone, receiver for wireless microphone, portable information communication device, and wireless microphone communication system
12/27/2011US8085967 Reversible speaker grill attachment
12/27/2011US8085947 Multi-channel echo compensation system
12/27/2011US8085943 Noise extractor system and method
12/21/2011EP2398255A1 Simultaneous control system for lighting and audio devices
12/21/2011CN202085307U 便携式多媒体扩音器 Portable multimedia loudspeakers
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