Bookcover of Teletext
Booktitle:

Teletext

Betascript Publishing (2010-06-13 )

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ISBN-13:

978-613-0-42196-0

ISBN-10:
6130421966
EAN:
9786130421960
Book language:
English
Blurb/Shorttext:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Teletext (or "broadcast teletext") is a television information retrieval service developed in the United Kingdom in the early 1970s. It offers a range of text-based information, typically including national, international and sporting news, weather and TV schedules. Subtitle (or closed captioning) information is also transmitted in the teletext signal, typically on page 888[1] or 777. In c.1970 the BBC had a brainstorming session in which it was decided to start researching ways to send closed captioning information to audience. As the Teledata research continued they became increasingly interested in using the same system for delivering any sort of information, not just closed captioning. Displaying subtitles requires limited bandwidth, at a rate of perhaps a few words per second. However, by combining even a slow data rate with a suitable memory, pages of information could be sent and stored in the TV for later recall.
Publishing house:
Betascript Publishing
Website:
https://www.betascript-publishing.com/
Edited by:
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
Number of pages:
104
Published on:
2010-06-13
Stock:
Available
Category:
Technology
Price:
39.00 €
Keywords:
television, subtitle, Closed Captioning, General Post Office, Ceefax, BT Group

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