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