Perforated panel absorbers are a type of hybrid absorber. They are a cross between a…
Dennis FoleyMay 19, 2013
Room Shell There is much confusion these days about the two separate and distinct functions…
MikeSorensenApril 26, 2013
Smaller Rooms / Low Frequency In a lecture at Drexel University on acoustics, John Storyk…
MikeSorensenApril 22, 2013
We work both in the professional and consumer markets. They are the same in some…
MikeSorensenApril 18, 2013
Parts 1 - 3 In part one of this series, we discussed how important it…
MikeSorensenApril 10, 2013
Part 1 - Part 2 In part one of this series on How To Build…
MikeSorensenApril 6, 2013
As time has marched on and our build experience has increased, we have updated the…
MikeSorensenMarch 2, 2013
Recording studio acoustic treatment falls into two major categories. We have sound absorption and sound…
MikeSorensenFebruary 20, 2013
We have updated this blog on 12/13/19 from its original posting to include new information…
Dennis FoleyDecember 26, 2012
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
.Plaster is a viable middle and high frequency absorber. We have used it many times in new builds that have…
Hi Dennis I'm curious what you think of acoustic perforated plaster - say CST Galaxy -on particularly ceilings in music…