At a distance of about 50 cm (0.5 m) the time delay for a signal reaching first one and then the other microphone from the side is approximately 1.5 msec (1 to 2 msec).

在距离约50厘米(0.5米)的时间延迟为一个信号，达到第一位，然后在其他麦克风从侧面大约是1.5毫秒(1到2毫秒)。

youdao

When I ask for classroom discussions, I'm going to have one of the T.A.S go to you with a microphone much like in "Donahue" Or something. Okay.

当我们进行随堂讨论时,我会请一位助教拿着麦克风到你那,就想多纳休那样

耶鲁公开课 - 博弈论课程节选

A matter of fact that I think I'm actually missing a microphone.

事实上我好像真丢了一个麦克风

耶鲁公开课 - 聆听音乐课程节选

In 1980, videotape of Ronald Reagan taking charge of a debate in Nashua by thundering, "I'm paying for this microphone!"

WSJ: Fergus Cullen: In New Hampshire, Politics on a Human Scale