Character information generating apparatus and method, character information displaying apparatus and method, digital movie screening method and system, and subtitle display apparatus

摘要

The present invention provides a digital movie screening system in which a movie subtitle can easily be used with protection of the copyright on the subtitle. There is provided a character information generating apparatus, which includes an encryption unit to encrypt a font file including data for displaying characters in a specific font, and a character information file generator to generate a character information file including a main file having described therein text data representing the content of characters to be displayed on a display unit and control data for displaying the characters and a font file encrypted by the encryption unit, the character information file generator also describing, in the main file, information on whether a font file indicated with a pointer, if any, described in the main file is an encrypted one.