Comedy, of course, come in many different forms but the producers of a new comedy sketch show say their project is a world first. It's writer is deaf - as are all the stars of the show.
The man behind it says he's had long-standing ambition to make a show for - and by - deaf people and now it's becoming a reality. It's been financed by the British Sign Language Broadcasting Trust.
(Maybe they have forgotten 4 deaf Yorkshireman, or maybe it wasn't funny ?). The Site link has a video of the interview.