Behandling av grafiske, digitale billeddata i en dekoder

摘要

A decoder 13 for a digital audiovisual transmission system, the decoder 13 comprising a general processor means 20 for decompressing compressed digital picture data and a graphic processor means 36 for preparing the decompressed data for display, characterised in that the general processor means 20 is adapted to decompress and store an image file in its substantially original format and subsequently to convert the image file to at least a second format for storage and display, the first and second format versions of the image file being stored contemporaneously in a memory 20 of the decoder. <IMAGE>