13. L.C.Wv Waveform for cutoff frequency LFO

Specifies the waveform for the cutoff frequency LFO. Available waveforms are;

• 'nOiSE'; random noise
  
• 'SinE'; sine wave (starts at 0.5, ramping up)
• 'tri'; triangle wave (starts at 0.5, ramping up)
• 'SaW'; saw wave (starts at 0.5, ramping up)
  
• 'Sqr'; square wave (starts at 1 for a half a cycle, then switches off for half a cycle)