Does it matter?
Well, yes it matters to me. If there is anyway that the cpu usage can be lowered, I'd like to know.
CPU useage is like "horsepower". It's there to be used.
What will you do with the horsepower you save?
You have already saved 24 seconds. What did you do with them?
>play the same DSLR file in Windows media player
Simple playback is WAY different than editing... you are comparing walking around a track and running around the same track