Safe areas of wide-screen 16:9 and standard 4:3 aspect ratio productions to achieve a common format during a transition period to wide-screen 16:9 broadcasting
This Recommendation provides guidelines on safe areas of 625-line@ 1 080-line and 720-line formats of wide-screen 16:9 and standard 4:3 aspect ratio production to achieve a common format during a transition period to wide-screen 16:9 broadcasting.