This standard specifies the mapping of various source image formats onto the 540 Mb/s serial digital interface. These formats include single link 4:4:4:4 component digital signals (525i/59.94 and 625i/50) as well as progressive scan 4:2:2 component digital signals (525p/59.94 and 625p/50). Additional source image formats may be added in future revisions of this standard.