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英国最近安装了具有时间延迟设备的新型传声器,能消除一般戏院及教堂等场所使用传声器时所具有的“回声作用”.对于电子所传送的声音与直接进入入耳的声音,两者之时间参差,即能产生所谓双象现象,这就是所谓“回声作用”.使用此项新型传声器,可消除上述回声作用.
The United Kingdom recently installed a new microphone with a time delay facility to eliminate the “echo effect” of microphones used in theaters, churches, etc. For both the sound transmitted by the electrons and the sound entering directly into the ears, That can produce the so-called double phenomenon, which is the so-called “echo effect.” The use of this new microphone can eliminate the echo function.