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The Future of Passive Noise-Cancellation? Thread

The Future of Passive Noise-Cancellation?

xirion
xirion
- xirion [2618808]
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Thread created on 17:36:57 - 18/10/21 (1 year ago)

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Last replied 03:30:51 - 02/11/21 (1 year ago)

I remember seeing this about 2 years ago, and I was extremely interested in the topic, but there was a discovery that there's an [url=https://phys.org/news/2019-03-acoustic-metamaterial-cancels.html]open ended ring that can cut 94% sound[/url]. An acoustic metamaterial, it sounds extremely useful for things like earbuds/IEM's, and Earplugs, but also in places like walls where people usually put sound-proofing foam in its place. Do you guys have any other ideas on what to use it for?
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I remember seeing this about 2 years ago, and I was extremely interested in the topic, but there was a discovery that there's an open ended ring that can cut 94% sound. An acoustic metamaterial, it sounds extremely useful for things like earbuds/IEM's, and Earplugs, but also in places like walls where people usually put sound-proofing foam in its place.

Do you guys have any other ideas on what to use it for?
```
yreew
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- yreew [1989745]
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Posted on 03:28:05 - 02/11/21 (1 year ago)
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use it on anything noisy, of course. cars, construction tools.
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use it on anything noisy, of course. cars, construction tools.
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xirion
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Posted on 03:30:51 - 02/11/21 (1 year ago)
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yreew [1989745]
use it on anything noisy, of course. cars, construction tools.

[b][Insert typical, "Wife bad/loud," humor here] [/b] [size=10]but seriously this near construction would be so useful[/size]
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[Insert typical, "Wife bad/loud," humor here]




but seriously this near construction would be so useful
```