Modifying {HEAD ~ loop filter data}, such as a loop filter output signal, of the delta sigma modulator modifies a delta sigma modulator quantizer output signal, which in turn changes {TAIL ~ the frame} to frame duty cycles of the pulse width modulator output 
Modifying { HEAD ~ loop filter data } , such as a loop filter output signal , of the delta sigma modulator modifies a delta sigma modulator quantizer output signal , which in turn changes { TAIL ~ the frame } to frame duty cycles of the pulse width modulator output
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH