每段录音都有一系列的押韵字词，志愿者要在不同程度的背景噪音下佩戴与不佩戴该智能扩音器来辨别这些词。

Each recording had a series of rhyming words that the volunteers had to identify, with and without the intelligent microphone, for different levels of background noise.

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他们声称，早期人类的第一个词也许要么基于他所听到的噪音，像是溅水的声音，或者岩石敲击头骨的声音；

early homo, they say, might have based his first words either on the noises he heard, like the splash of falling water or the thud of a rock smashing into a skull;

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rc（fetchmail用户配置）文件语法中包含了一些完全不需解析的，可选的“噪音”关键词。

The rc (control) file syntax includes optional `noise' keywords that are entirely ignored by the parser.

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