3D-printed speaker cover focuses sound to a pinpoint location without power
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By Etiido Uko
Summary
Researchers from Pennsylvania State University have developed a 3D-printed speaker cover that can focus sound waves to a focal point just over an inch wide, similar to how a magnifying glass focuses light. The device allows sound to be directed to a specific spot in a room, enabling someone to hear music clearly while others nearby hear little to no sound. This acoustic lens technology works without any external power source and could have applications in personalized audio experiences, museum exhibits, and other settings where targeted sound delivery is useful.
Source
bsky3D-printed speaker cover focuses sound to a pinpoint location without powernewatlas.comKey quotes
· 3 pulledResearchers from Pennsylvania State University have created a 3D-printed speaker cover that can focus sound waves to an astonishingly small point.
The device works like a convex magnifying glass lens that focuses light into a narrow, concentrated beam.
Sound waves typically spread outward from their source, expanding as they travel.
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