OPTICAL DISC WITH SPECIFICATION OF RECORDED ASPECT RATIO AND CONTAINING PAN SCAN DATA
An optical disc contains a specification of the aspect ratio in which it was recorded, together with pan scan data.
- Possible recorded aspect ratios include 16:9 and 4:3.
- Pan scan data specifies positioning of a 4:3 extract from a 16:9 frame.
- DVD Specifications for Read-Only Disc: Part III,Index.184.108.40.206-2,Index 220.127.116.11-3