Engineers from Duke University have developed a way to create acoustic “holograms” that promise to be as magical as visual holograms – all by placing an array of 3D-printed acoustic building blocks in front of a sound wave.
When we talking about “three dimensional sound waves” we’re acknowledging that sound waves don’t just carry sound and volume – they also convey spatial information that is missing in even the best surround sound systems. It’s comparable to the difference between two and three-dimensional images: 3D images communicate depth as well as length and width, which creates a much more true-to-life viewing experience.
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