The background noise made the announcement inaudible.

背景噪音使得公告听不见的。

The sough of the river was a constant background noise.

河流的呜咽声是持续的背景噪音。

To improve the Snr, we need to reduce background noise.

为了提高信噪比，我们需要减少背景噪音。

He found the background noise extraneous to the conversation.

他发现背景噪音对谈话来说是无关的。

The audio recording was undecipherable due to the background noise.

由于背景噪音，音频录音是难以理解的。

The recognizer failed to identify the voice due to background noise.

由于背景噪音，识别器未能识别出声音。

It blocks out background noise.

它可以阻挡背景噪音。

The right level of background noise may interrupt our normal patterns of thinking.

适当水平的背景噪音可能会干扰我们正常的思维模式。

Listen to foreign language radio or TV, even as background noise.

听外语之声或看外语电视，即使是作为背景音也好。

Unplug the phone and use a white-noise machine, or a fan or an air conditioner, to block out background noise.

把电话线拔掉，使用一个能产生白噪声的机器，或是打开电风扇、空调，以阻断背景噪音。