Video Compression Explained, Or How To Squash An Elephant

I wanted to send an elephant to a friend.  The postage was pretty severe, so I got a life size picture of one instead.  This was almost as good as the real thing, but it wouldn’t fit through her letterbox.  So I got a postcard made up.

Read moreVideo Compression Explained, Or How To Squash An Elephant

Green Screen – A Primer

Nowadays most of us are familiar with the idea that if someone is filmed against a flat, green (or blue) screen we can replace the green with a still image or video later on.  This technique, more accurately known as chromakey, is a relatively straightforward process, which can be used with to good effect for executives or actors.

Read moreGreen Screen – A Primer