B: And the DIVA it was uh something different . Fact we have a master machine that's um We have a master machine here . And we have some slaves machine here . We have some connection and here we have some input . We have audio . Usually we have audio . And And the same for this one . And um basically on the slave machine we have two cards , one for audio and one for video . So they develop something to synchronize these two cards together and th uh this is something which is it's more , w which is call uh direct show , uh which allows you to to synchronize uh these two cards together