Ep 30: Ex BBC Engineer Returns to Tell More About Teletext #TechTalk #Deepdive – Part II

Peter Weizel spent many years in the BBC working on Teletext and even wrote part of the standards so who better to continue guiding us on our journey into the first digital broadcasting on TV. Teletext is a pioneering pre-internet information distribution system. In part one, we heard about the inception of Ceefax at the BBC and the some of the inner workings of Teletext, its page and data structures, and its significant role in modern broadcasting technology. Part One: https://youtu.be/tbDB8FCOaV4In part 2, we go into detail about data broadcasting, government interference, dynamic allocation of packets, using teletext for BBC internal staff information, regionalising CEEFAX00:00 Welcome and Introduction01:42 Ceefax Demo02:11 Teletext Services and Features03:03 Finding ways to apportion the VBI05:11 Government Wants To Sell Teletext Space07:15 Dynamic Allocation and Optimisation11:18 Better Data Multiplexing26:55 Test Equipment31:05 Early Ceefax Architecture33:23 Ceefax in the regions39:49 BBC FAX service in Europe (WSTV)45:28 Telfax – Ceefax for BBC Staff49:04 Conclusion and Next Episode TeaserMany thanks to Nathan Dane for bringing Teletext to the internet: https://www.nathanmediaservices.co.ukShout out to @ZXGuesser for the online interactive teletext viewer.Wikipedia's summary of Ceefax: https://en.wikipedia.org/wiki/CeefaxWikipedia's summary of Teleteix: https://en.wikipedia.org/wiki/Teletext