1. HD capture and recording

The camera and recording system are the first links in the HD chain. The camera, in particular, determines the level of native image quality. It's worth remembering the axiom: who has the "more" can have the "less", but who starts with the "less" can't have the "more"!

As the range of cameras available for high-definition image capture is extremely varied, it is important to list a few differentiation criteria, based on :

• of use (§ 1.1 );

• quality level, and therefore price;

• ...