try these links

http://www.cnet.com/Resources/Info/G...s/cinepak.html
http://www.compressionworks.com/cinepak.htm

Sorenson vs cinepak:
http://hcs.harvard.edu/~tabanger/sorenson/

Something here calls itself 'Codec Central' dates from 1998...
http://www.siggraph.org/education/ma...s/Cinepak.html
and
http://www.icanstream.tv/CodecCentra...s/Cinepak.html


We are talking about ancient technolgy here.
Technical specs are around 1997 or before.