delays in the input driver, etc.. (It can also act as a sanity check to make
sure your A/V chain passes the signal through without quality degradation,
if you first set up a static picture as a signal and then switch to the loop
delays in the input driver, etc.. (It can also act as a sanity check to make
sure your A/V chain passes the signal through without quality degradation,
if you first set up a static picture as a signal and then switch to the loop