Just a short movie with planes taking off (in background) from nearby Okęcie Airport in Warsaw, Poland. This was a perfect situation and good reason to show .\r<br>\r<br>\r<br>\r<br>I dont have a professional tool to measure it but this program is pretty good and precise. I had the opportunity to compare it with a real decibel meter once and .\r<br>\r<br>I dont have a professional tool to measure it but this program is pretty good and precise. I had the opportunity to compare it with a real decibel meter once and .
