Sounds clear, but there is slight machine noise.

音质清晰，但稍有轻微机械噪音。

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Rcording is good but machine noise loses points.

录音功能优良，但其机械噪音导致了评测失分。

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With easy operation, simple, low failure rate, and the traditional cutting machine noise, low malfunction, easy maintenance.

操作省力、简单、故障率低，且无传统式裁断机的噪音、故障少，保养容易。

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But on Monday, the white noise machine was activated without the prior knowledge of the judge or the courtroom security officer.

BBC: Guantanamo trials: Judge orders end to secret censor

Using eyeshades or room darkening curtains or blinds and a white noise machine may help you sleep better when you want to.

CNN: Can melatonin prevent jet lag?

Spectators watch the proceedings behind soundproof glass, and receive audio on a 40-second delay so that a court security officer can switch on a white noise machine while classified information is being discussed.

BBC: Guantanamo trials: Judge orders end to secret censor