03/18/2025, 02:03 PM UTC
无需耳机即可弯曲声音的私人收听技术Wild Ultrasonic Beam Tech Bends Sounds For Private Listening Without Headphones
➀ 新发明证明，音频可以直接传输到听者的耳朵，而不会被周围的人听到；
➁ 该技术使用通过3D打印“超表面”发射的超声波，在那些波的交汇处形成一个音频气泡；
➂ 这可能为听者提供个性化的音频隐私，而无需佩戴耳机。
➀ A new invention has proven that audio can be transmitted directly to a listener's ears without being audible to others around;
➁ The technology uses ultrasonic waves beamed through a 3D-printed 'metasurface' to form an audio bubble at the intersection of those waves;
➂ This could potentially provide listeners personalized audio privacy without the need to wear headphones.
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