Prashant Kumar on Instagram: "Digital Cinema Packages (DCPs), which are high-resolution, encrypted files stored on hard drives or transmitted via satellite. These DCPs are then copied to the theater’s projection system. DCP (Digital Cinema Packages) Image track (JPEG 2000 format) Audio track (usually 5.1 or 7.1 surround in WAV format) Subtitle files (optional, XML format) Metadata (playlists, timecode info, etc.) KDM (Key Delivery Message) KDM is an encrypted key file required to unlock and play