只为你发声

chestnuts · 发表于 2016-3-29 16:17:51

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法国Akoustic Arts团队设计的蜂巢状定向扬声器采用超声波技术，产生的声音束在空气中传播和自解调以后重新转换为可听的音频信号。发出的声音就像手电筒的光束，只会传给固定范围的人，不会有其他人听到。它可以与手机、电脑等电子设备连接只为特定范围的人放出声音。

Imagine a speaker that only you can hear, even if there are a bunch of other people in the room. The Akoustic Arts “A” speaker is uni-directional, and it can purportedly blast sound directly into your ears from across the room without anyone else hearing it. It’s really made to provide an experience closer to a pair of headphones than a Jambox or some other desktop speaker. There are piles and piles of Bluetooth speakers currently on store shelves, so it’s nice to see something different.