Digital Leader and the Digital PROjection VErifier (DPROVE) are two products that are based on SMPTE RP 428-6-2009. The Digital Leader is aimed at digital movie post production and cinemas. In post it can be added as a leader and/or footer (end) of Digital Cinema Distribution Master (DCDM) ‘reels’ so allowing a quick quality check.
DPROVE is a set of Digital Cinema Packages (DCPs) that help checking projector performance and aligment as well as the sound’s synchronization with the pictures.
See also: DCI