Comment on An “acoustic metamaterial” that can cancel 94 percent of soundparentComments−xyzzy1237yIt could still be very useful without being wide-band!Particularly with fan noise, there’s often one or two stand-out annoying harmonics while the wide-band noise is less offensive.
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It could still be very useful without being wide-band!
Particularly with fan noise, there’s often one or two stand-out annoying harmonics while the wide-band noise is less offensive.