One of the most efficient, cost effective and widely used approaches to reduce the tonal signature of aeronautic engine noise is the so-called liners-structures located in the internal walls of the nacelle (the external structure of the motor) that form an acoustic treatment. In the research project called "Silent Aircraft", funded by FINEP and Emb

Pelo sound, just a tape of the mic levels at their usual setting with nothing going on. Now turn up the gain and play it back. If you can't hear any difference between the unrecorded and recorded portions of the tape you have reached your goal.As long as things get done, senior decision makers aren’t going to be aware of what they’re

Creio qual você já teve problemas em fazer uma mixagem em sua própria sala, e quando vai escutar em outro local o som soa diferente.The only way to get an objective measurement of sound levels is to use an SPL meter. (There are some inexpensive models by Gold Line/loft or Radio Shack.) As measured by the "C" scale on these meters you will

Pelo sound, just a tape of the mic levels at their usual setting with nothing going on. Now turn up the gain and play it back. If you can't hear any difference between the unrecorded and recorded portions of the tape you have reached your goal.Seal the movable part of the window with good gaskets, then cover the whole opening with heavy drapes. Mak

So much has changed. When you get older, you look back on tensions and grievances and have another perspective on it. I think our relationship now is better than it's ever been. I would even describe it as great.This article contains weasel words: vague phrasing that often accompanies biased or unverifiable information. Such statements should be cl