Component that beeps when calculation is done. 

Download file: https://www.dropbox.com/s/uhiyqexp97r3ilj/AudioOnComplete02.gh

Download signal: https://www.dropbox.com/s/ipunep68m9uvcu5/BEEP_01.WAV

Sourse: http://www.hiteca.ru/2014/03/grasshopper-beep.html