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.

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

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Mr. URCOLA: Yeah, yeah, well, I, one of my heroes, one of my favorite musicians, Egberto Gismonti, also Hermeto Pasqual, and they have a lot of their music, they use the human voice in all different kind of ways, you know.

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