Sam Davis posted:
Can anyone tell me how these delays actually work - I don't really want to go into Radio banter here, but Talk Radio has an 8 second delay and they bleep the swearing (and also on E4), but how is this done (when LIVE of (course)?
Thankfully the days of delaying events (Sport usually) on video tape are gone. For a delay of 10 mins you would of had to record 10 mins on one VT
, put the next into record just a minute or so before you stop the first one, rewind and TX. Then, 10 mins later start the 3rd VT recording, wind back the second, try and sync it up during your overlap recording, then hot switch the second VT to air...... and so it goes on.
These days it's easy - it all gets recorded on a server - which is a huge array of computer hard drives - and you can start playing back at any time you like, from frames to hours. In sport they are used too for slo-mo replays.... you can cue up the start of your replay before the action has finished, because the server is still recording.
And of course in presentation, servers are used to play trails/ads/symbols and occasionally programmes. Some news operations use them too for stories/stings etc. (N24, World)
I would imagine BB record onto the server, and note the timecodes of anything they need to block, and when that time comes on the playback, an operator just cuts 'live' atmos to air, or the w/s of the house to cover vision, and then switch back to sound/pictures off the server after the offending material has passed.
(Edited by andyrew at 1:30 pm on June 19, 2001)