Emile Berliner is the inventor of the phonograph and the gramophone. There is an instruction booklet that is vintage in regards to sound recording instruments located in the Library of Congress. The instruction booklet cover is not just as glossy as the one found in modern day music shops. However, the vintage operating manual for Berliner’s gramophone is just as lengthy as ones found in today’s music stores.
Read the full article here:
Vintage Operating Manual for Berliner’s Gramophone. Very cool.
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…