Re: [LAU] New 'acoustic metamaterial' cancels sound

From: david <gnome@email-addr-hidden>
Date: Fri Mar 08 2019 - 10:10:17 EET

On 3/7/19 7:47 PM, audio@fn.de 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@hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
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Received on Fri Mar 8 12:15:01 2019

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