Sound Deadening Underlay
Dave Plowman (News) wrote:
In article ,
wrote:
Thus spake "Dave Plowman (News)" ) unto the assembled multitudes:
If it is footsteps on a hard floor you're hearing, any underlay and
therefore carpet will stop this.
I beg to differ. It'll certainly help, but it won't stop it. You'll
still be able to hear people moving about.
Well, yes. But it will reduce footsteps to near zero.
IME not near zero. In our parlance it puts an estimated 12db/octave low
pass filter on them, which does not a lot sub 100hz, quite a bit uop to
800hz, and almost completely removes any higher harmonics :-)
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