This function was written to allow the user to use two reference signals instead of just one to do noise canceling adaptive filtering.

该函数允许用户用两个参考信号而不是一个来做信号抵消自适应滤波。

youdao

Short of gagging the children, there was not much she could do about the noise.

除了不让孩子们说话之外，她对那噪音无能为力。

《柯林斯英汉双解大词典》

They do a better job of stopping outside noise, so you can listen at a lower volume.

它们能更好地阻止外界的噪音，所以你可以调低音量听音乐。

youdao

What could I do? I swung my chair and moved it upon the floor, but the noise continually increased.

VOA: special.2009.05.16

So hopefully, the first experiment he did, which I know that they certainly did do was maybe it's just background noise, right?

做的第一个实验，我相信他们肯定,是这样做的？

麻省理工公开课 - 化学原理课程节选

see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.

我从来没有用过这个,但你会看到有人带他们,它们可以作为消噪音耳机,它们所做的就是采入,周围的随机噪声，耳机里面是，有电池的，然后它能产生和,随机噪声相干相消的声波。

麻省理工公开课 - 化学原理课程节选

With TSS 3.0, the user can define the sensitivity level, or auto-sensitivity calibration (ASC) will do it based on noise level analysis.

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So how do we cut through the noise and find the content that matters?

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"Horse and buggies didn't make as much noise as cars do, " Ward says.

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