Swanky Beep example

beep.txt

	sfx.render{
 ["frequency"]="C4",
 ["name"]="shot",
 ["volume"]=0.5,
 ["duty"]=0.5,
 ["fwav"]="square",

 ["adsr"]=
 {
  1,
  0,
  0,
  0.8,
  0.2,
 }
,

 ["fm"]=
 {
  ["duty"]=0.5,
  ["frequency"]=16,
  ["fwav"]="sine",
  ["ffreq"]=
  {
   "freq_range",
   130.815,
   261.63,
   523.26,
   0,
  }
,
 }