Comparison of fireworks during the new years eve 2008-2009 and 2010-2011. http://fieldrecording.net/2011/01/02/samanburdur-a-aramotum/#comments
Spectrogram of the frequency range of 2008-2009 fireworks. The frequency on this downgrade 24/96khz WAV file goes up to 50Khz so in fact it goes much higher. Highest volume is below 2Khz. It is not strange why bird and other animals get crazy or die in this explosions. http://fieldrecording.net/2011/01/02/samanburdur-a-aramotum/#comments
http://fieldrecording.net/2011/01/02/aramot-2010-%E2%80%93-2011/
Microphones can be seen on the tripod. http://fieldrecording.net/2011/01/02/aramot-2010-%E2%80%93-2011/
