The signal processing system shifts pulse edges of PWM patterns to spread the spectrum of {HEAD ~ intra channel} and {TAIL ~ inter channel harmonic frequencies} 
The signal processing system shifts pulse edges of PWM patterns to spread the spectrum of { HEAD ~ intra channel } and { TAIL ~ inter channel harmonic frequencies }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL