Quote:
Originally Posted by cheekyangus
So are they carrying extra steams for those regions "for national use" or are they using extra labels to point to them from different channel numbers?
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Video / Audio were still to be added but the new SDT labels are on national transport streams. Regional networks don't have access to regional transport streams other than those specific to their area.
You've stumbled upon another issue, that being will London and the nations take their (BBC One HD) feeds from the national streams (going forward) rather than regional ones but it's way too early to start looking into that.
(Recently, when SID / PID numbers for the new BBC One HD regions were rationalised - they took the old, vacated, SD SIDs etc - the SID for London didn't change. Which was odd.)