Originally Posted by ZenMaster
You're right, the issue is the lower volume shots around the 44 second mark, those can't be echoes as there is no loud round fired at first.
The video is not available anymore, but if I remember it started with the driver saying that he heard automatic gun fire but we don't hear anything for a while. After that we hear a faint sound of gunshots which I believe is the echo of the ones which the driver heard first right before recording.
I might be remembering things in the wrong order though, so feel free to correct.