PROCESSING OF GRAPHICAL DIGITAL PICTURE DATA IN A DECODER

摘要

A decoder (13) for a digital audiovisual transmission system, the decoder (13) comprising a general processor (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 (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.