In the year 2013, digital music download decreased significantly over the year. This is thought to be mostly because more people opted for the option of streaming albums, rather than digitally download individual tracks. Catalog album sales increased, while catalog song sales decreased. This true although 2013 had many more million-selling albums than there had been in previous years.
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Digital Music Declined in 2013.
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…