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Digital Cinema:
 Digital
cinema uses a "store-and-forward" delivery mode
to distribute motion pictures. Digital movies are encrypted
and compressed computer files that can be stored on a secure
disk or cartridge, or send through broadband cable or via
satellite multicast. Those large files are downloaded on a secure
digital storage server, a robust computer system connected
to a digital projector located in the projection booth of the movie theater.
Digital cinema systems are designed to cater for most existing digital sound systems (Dolby,
THX, DTS, SDDS, etc.) and run side-by-side with existing 35mm
projection equipment so as to manage a smooth transition between
analog and digital film exhibition.
The result on the silver screen is characterized by a pristine image quality, sustained throughout the run of the film, advertising, or other content screened - no matter how many times it is shown.
The industry typically differentiates 3 separate classes of digital cinema applications, each corresponding to a specific grade of equipment, content copyright protection features, etc:
Digital Cinema or D-cinema: referring to 2K resolution and above (HDTV resolution: 1.8K) for the digital presentation of major studios' films and any other digital content of lesser quality (e.g. alternative content and digital advertising) -
Electronic Cinema or E-cinema : referring to native 1.3K resolution (SXGA) and above (up to HDTV) for the digital presentation of independent film productions and any other digital content of lesser quality (e.g. alternative content and digital advertising)
Digital Advertising: referring to the digital presentation of advertising content Digital Cinema is happening, and for those who still wonder how and why they will benefit from it, here are 10 Reasons to Go Digital... NOW.
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