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