JU
I think they push back is done live - hence the DVE frame jump - however I suspect they were rehearsing without the mixer in rehearsal mode, or without The One Show switched directly to line downstream, and thus as they triggered the push back (which had the EastEnders video coming off the server that they were previewing it on) the DVE/keyer was cut to line, and they cut away from The One Show?
My understanding of the playout software is that they can effectively bypass what's going out and preview the next junction or other sequence in the future. The interface is like an edit time-line so the director can adjust timings and tweak transitions as they wish. Before they could check individual items but had to do a junction or a credit squeeze once - live on air!
Indeed, the director can copy and paste a sequence from the channel's schedule into a 'preview' channel. The software puts the on-air channel into bypass and uses the vision mixer to show the director exactly what will happen in the next junction including IPPs, Squeezes, GFX elements, trails, ident and any recorded announcement. If needs be, the live announcer can join in on rehearsal too.
Ironically, this functionality was built in to the old manual control rooms which closed in 1996. Junctions were routinely reahearsed and fine tuned. The automated control rooms that were used from 1996 to 2000ish were supposed to have a rehearse mode, but they never ever got it to work properly. The idea wasn't ever put into the Digital Control area used from 1998 - 2003/4, and only returned to the architecture at the broadcast centre.
This is all correct, the error on the One Show was that the Graphic device was stuck 'on' on the main channel from the Next slide going into the One Show. The Main and Preview channels share the graphics device used to generate the squeeze so hence when the director tried to rehearse we saw it on the main channel.
In Northern Ireland (and Scotland and Wales too I'm fairly sure) you don't run the danger of this fault...
...as when they click on 'Preview', the highlighted part of the schedule is automatically copy&pasted in a preview stream which has its own graphics hardware which is not shared with the main playout stream.
They use exactly the same automation as Network, but may have separate graphics devices that would get round this problem
I think they push back is done live - hence the DVE frame jump - however I suspect they were rehearsing without the mixer in rehearsal mode, or without The One Show switched directly to line downstream, and thus as they triggered the push back (which had the EastEnders video coming off the server that they were previewing it on) the DVE/keyer was cut to line, and they cut away from The One Show?
My understanding of the playout software is that they can effectively bypass what's going out and preview the next junction or other sequence in the future. The interface is like an edit time-line so the director can adjust timings and tweak transitions as they wish. Before they could check individual items but had to do a junction or a credit squeeze once - live on air!
Indeed, the director can copy and paste a sequence from the channel's schedule into a 'preview' channel. The software puts the on-air channel into bypass and uses the vision mixer to show the director exactly what will happen in the next junction including IPPs, Squeezes, GFX elements, trails, ident and any recorded announcement. If needs be, the live announcer can join in on rehearsal too.
Ironically, this functionality was built in to the old manual control rooms which closed in 1996. Junctions were routinely reahearsed and fine tuned. The automated control rooms that were used from 1996 to 2000ish were supposed to have a rehearse mode, but they never ever got it to work properly. The idea wasn't ever put into the Digital Control area used from 1998 - 2003/4, and only returned to the architecture at the broadcast centre.
This is all correct, the error on the One Show was that the Graphic device was stuck 'on' on the main channel from the Next slide going into the One Show. The Main and Preview channels share the graphics device used to generate the squeeze so hence when the director tried to rehearse we saw it on the main channel.
In Northern Ireland (and Scotland and Wales too I'm fairly sure) you don't run the danger of this fault...
...as when they click on 'Preview', the highlighted part of the schedule is automatically copy&pasted in a preview stream which has its own graphics hardware which is not shared with the main playout stream.
They use exactly the same automation as Network, but may have separate graphics devices that would get round this problem
