Re: New 'acoustic metamaterial' cancels sound

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On 3/7/19 7:47 PM, audio@xxxxx wrote:
On Thu, 7 Mar 2019 15:57:56 -0600, Chris Caudle wrote:
On Thu, March 7, 2019 2:23 pm, Gerhard Zintel wrote:
For sure you can tune such a system to be efficient in
a small frequency range.

The article mentioned "a" high pitched tone, singular article in
English implying single frequency or small spread of frequency.  Does
not seem likely to be useful for music use,  might help for machinery
with a specific annoying high pitch frequency.

Not for music, a "valuable" use case is provided by this article.

It's also the first creation of such a thing. Possibly with further research and development, the frequency spread can be broadened. I think they could also be layered, with different layers controlling different frequency bands.

--
David W. Jones
gnome@xxxxxxxxxxxxx
authenticity, honesty, community
http://dancingtreefrog.com
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