Jim, what exactly do you mean when you say, "raise the file resolution to a higher setting?" That sounds important, ..
It IS.
Options-Resolution in RB.
RB and BiaB both default to 120 'slices' per beat, whether it is MIDI or Audio. Changing this setting to the highest allowed makes for much more surgical editing, and more accurate recording of data (not quantized to nearest 120th) etc.
This is an important function, especially once you start editing audio in RB.
VERY important IMO.
The one thing I would want to point out is it does NOT apply to only MIDI. This setting affects RB/PT for Audio also.
Audio events are triggered by this setting. You should be able to see this by looking at the Event List for an audio track. This can be enlightening.
The higher the resolution, the smaller chunks available = more accurate
/simplest way I could explain it
//I can go further if needed/requested