Uncompressed digital video data representing one or more initial video frames is input from a video source 2 to a disc store 14 via a compressor/decompressor 10 or a bypass path 20 and a data bus 12. Thus, data can be stored in the disc store 14 in either compressed or uncompressed...http://www.google.se/patents/US5727112?utm_source=gb-gplus-sharePatent US5727112 - Video processing apparatus and method
