What are the differences between the [QUANTIZED BEAT LOOP] and [AUTO BEAT LOOP] functions?

With [QUANTIZED BEAT LOOP], the loop changes to the number of beats set after first setting the number of beats, playing to the next beat, then returning to the loop in point. With the [AUTO BEAT LOOP] function, when the [AUTO BEAT LOOP] button is pressed, playback returns immediately to the loop in point and the loop changes to the set number of beats.