In general, we do not recommend the use of multiple videos, spread in different zones of the composition as the behavior is unpredictable depending on the device you are using . Recommended way of using videos is having them all in one zone in a sequence.

If you still need to use videos in multiple zones, then all the videos will be played in mute except the one that comes in focus first

Note : Video on top of another video (overlapping zones) is never recommended & unexpected behaviour can happen on screen. Please avoid this.