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惊叹!包装袋微小振动可还原语音信息

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2014-08-05 16:02:45 转载来源: 网络整理/侵权必删

AS网站目录(www.adminso.com):惊叹!包装袋微小振动可还原语音信息 北京时间8月5日早间消息,美国麻省理工学院、微软和Adobe的研究人员已经发明了一种新算法,能通过记录并分析薯片包装袋等物品的微小振动,重建人类可理解的声音信息。这样的技术使科学家能更容易地知道,某人所说的话是什么

AS网站目录(www.adminso.com):惊叹包装袋微小振动还原语音信息

北京时间8月5日早间消息,美国麻省理工学院、微软和Adobe的研究人员已经发明了一种新算法,能通过记录并分析薯片包装袋等物品的微小振动,重建人类可理解的声音信息。

这样的技术使科学家能更容易地知道,某人所说的话是什么。这将带来新的隐私保护问题。麻省理工学院研究生、这篇论文的第一作者阿贝・戴维斯(Abe Davis)表示:“当声音击中物体时,能使物体产生振动。这种振动运动带来了非常微小、肉眼不可见的视觉信号。人们不会意识到存在这样的信息。”

在一次试验中,研究人员利用距离隔音玻璃近5米远的薯片包装袋恢复了声音信息。在另一次试验中,研究人员通过研究其他物体,例如植物叶片、铝箔和一杯水的振动获得了有用的音频信息。

研究人员采用的方法通常需要使用到每秒拍摄数千帧画面的高速摄像机。通过这一方法,研究人员可以知道房间中讲话者的人数和性别。如果预先获得讲话者的语音信息,那么还能识别出讲话者的身份。

标签: 惊叹 包装袋 微小 振动 还原 语音 信息


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