A microphone samples incoming noise, then sends the speaker grid instructions on what sort of " antinoise" to emit.

麦克风对音进行采样，之后发送声器网格“抗”指令。

The antinoise device is almost as good and allows air to keep flowing into and out of the window.

抗音设备的效果几乎与关窗一样好，而且还能让空气从窗户进出。