[LAU] New 'acoustic metamaterial' cancels sound
chris at chriscaudle.org
Thu Mar 7 22:57:56 CET 2019
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.
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