I know that this is a non-answer, but the best thing to do is reencode a few files at multiple bitrates and see where the line is for you.
Try to get a few dark scenes, since that's where compression artifacts tent to be most noticeable.
I know that this is a non-answer, but the best thing to do is reencode a few files at multiple bitrates and see where the line is for you.
Try to get a few dark scenes, since that's where compression artifacts tent to be most noticeable.