Ep 31: 'Secret' Uses for Teletext plus how Subtitles & the EPG Works by a Retired BBC Engineer #TechTalk

Behind the Scenes of Teletext: Subtitles, Data Broadcasting, and More

Former BBC engineer Peter Wietzel joins Russell Trafford-Jones in this episode of Broadcast Focus as they delve into the intricacies of Teletext covering how subtitles work, why the BBC tansmission actually used two simultaneous subtitle transitions, and the many uses of carrying arbitrary data over Teletex were were the hidden heros! Peter finishes by talking about how the implementation was one of the first cross industry examples of collaboration in creating standards and talks about MHEG which replaced Teletext. Whether you're a technical enthusiast or just curious about broadcasting history, this should be good!

00:00 Welcome & Intro

02:30 Understanding Subtitles in Teletext

04:11 Technical Details of Subtitles Transmission

10:42 Subtitle ...