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