> If you have 0.5s gap between audio and video, you hardly notice.
If your video comes later than audio and depicts human mouth talking you would notice it ever for 1 frame (0.02s for 50 frames/s) delay; but it's true that if audio is delayed relative to video, then 0.5s is hardly noticeable.
If your video comes later than audio and depicts human mouth talking you would notice it ever for 1 frame (0.02s for 50 frames/s) delay; but it's true that if audio is delayed relative to video, then 0.5s is hardly noticeable.