Babies can respond to emotions in a human voice at just three months old - earlier than previously thought - researchers believe.

研究人员相信，婴儿在三个月大的时候，就可以用大人的方式来回应感情。

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It can guide you from point to point in most major cities with precise turn-by-turn directions—spoken by a clear human-sounding voice, and written on a screen in front of the driver.

它可以在大多数主要城市为你提供从点到点、精确到每个拐弯的导航——由清晰的人声说出，同时显示在司机面前的屏幕上。

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The most useful data points regarding the human voice, especially when band-limited on a phone line, is in the 0-200 range.

人类语音的最有用数据点(尤其是在带宽有限的电话线中)是在0 - 200的范围内。

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Doug is the CEO and one of the founders of OC3 Entertainment, a company that specializes in creating the most realistic animations possible using only an audio recording of a human voice.

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But the team behind Zoe believe they have gone a step further by giving Zoe a range of human emotions expressed in her face and voice.

BBC: Zoe �C Cambridge��s emotional talking head

"The human voice is the first instrument, " he said in a 2008 interview on National Public Radio.

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