Discrete cosine transformation encoding decoding system for video signal transmission - has ID transformation provided by unit with two ID transformation stages coupled to transposition memories

摘要

The transmission system for use with video signals has encoder/decoder units coupled to the ends of a transmission path. Each encoder/decoder unit has a 20 transformation unit (5) that is structured upon first (5a) and second (5b) ID transformation stages. The arrangement can be part of a television image transmission system or part of a video recording system. The first ID transformation stage can perform a cosine transformation (5a) with the output received by a transposition memory (6a). This connects with the second ID transformation stage (5b) and the output is entered into a second transposition stage. USE/ADVANTAGE - Simplified, reliable transmission system.