The Walt Disney Company
Sign language video encoding for digital cinema

Abstract:

A method and apparatus providing variable rate auxiliary video data in a digital cinema package is disclosed. The digital cinema package has primary video information and primary audio information carried on a plurality of fixed bit rate primary audio channels, each fixed bit rate primary audio channel represented by a sequence of audio channel data blocks. In one embodiment, the method comprises generating a chunk of the auxiliary video data, the chunk representing time duration D.sub.c of the auxiliary video data, generating an auxiliary video data block of L.sub.b length, and providing the auxiliary video data block as an audio channel data block of at least one of the fixed bit rate primary audio channels.