What are the marks on my TV screen?

darbo1103 | 21:00 Tue 28th Oct 2008 | Technology

2 Answers

Whilst watching the 6 o'clock news on TV, I have noticed that during the weather forecast, a small icon appears on the left side of the screen and the picture flicks. What is this icon, what does it do and who does it?

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Richard1966

What channel.

If it was a commercial station these could be timing markers for the beginning of the adverts

ACtheTROLL

there is something in the back of my head .... can't remember the exact details - but rich isn't too far off

I think it's actually data added into the transmission - either before the end of a local segment of a national transmission - or as dick says just before the adverts which are also local.

either way yes it's a timing mark

just found this ...
http://www.digitalspy.co.uk/forums/showthread. php?t=912696

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