On 07/02/2021 18:21, JohnP wrote:
A couple of things intrugue me about TV production:

1. How are the backgrounds and floor effects done on shows like Dancing on
Ice and Who wants to be a Millionaire. If projected, why don't the
presenters get in the way?


Because it's projected from above from more than one source.

It takes a lot of lining up and adjustment BTW !