background noise

常见例句

The impact is going to be most clearly noted when the background-noise level goes up, when you have to focus on what someone is saying.
这种听力丧失的影响在背景噪音水平上升时表现的最明显，此时你不得不集中注意力才能听清楚某人的讲话。
The paper discusses the importance of background-noise's level of decimeter wave-band on antenna and its basical technical condition and request.
论述了分米波段天线背景噪声电平测量的重要作用、基本条件和要求。介绍了其测量系统灵敏度的估值方法，及在工程上用定标的技术参数计算灵敏度的公式。
Compared with AR spectrum, the influence of disturbed background-noise is reduced, and the clustering character of target feature is improved, which is proved.
仿真结果证明：基于高阶谱特征提取方法优于AR功率谱特征，该方法在抑制背景干扰中具有优越性。

And the fact that we're always facing some risk of death recedes into the background in the way that most of us don't hear background noise-- that what jumping out of an airplane does for you is it spikes the risk of death.
我们一直面对的某些死亡的风险,这种情况下变成了背景声音,因为我们大部分人都听不到背景的噪声-,而跳下飞机带给你的,是死亡的风险上升。
耶鲁公开课 - 死亡课程节选

For conference calls and chats, Tiki's Intelligent Speech Mode uses voice isolation to bring your voice to the forefront while noise-canceling technology simultaneously reduces unwanted, competing background noise such as computer fans, keyboard typing and ambient sound.
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Customers can also stay in touch via video chat, while enjoying excellent voice quality with reduced background noise through the built-in digital microphone.
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