{HEAD ~ A controller}, in response to a change detected in a switching frequency of the switch, reduces {TAIL ~ audible noise} generated by the power supply by at least one of: adjusting the reference voltage; adjusting the current sense voltage; or adjusting a resistance used to generate the sensed voltage 
reduces
{ HEAD ~ A controller } , in response to a change detected in a switching frequency of the switch , reduces { TAIL ~ audible noise } generated by the power supply by at least one of : adjusting the reference voltage ; adjusting the current sense voltage ; or adjusting a resistance used to generate the sensed voltage
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