منابع مشابه
A Digital Teletext Service
Digital Teletext is one of the most important interactive services of emerging digital television. As an enhanced version of existing analogue Teletext service, it’s a resident application of the set-top box. Its information will be stored in a data carousel and transmitted via broadcasting network. The new service can display smooth graphics and images, have page links and a menu driven naviga...
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The 1997 Internationale Funkausstellung (IFA 97) saw the market launch of the first sets compatible with this display level. It was soon clear that there was little to be gained from modernizing teletext by raising the level. Despite the improvement brought about by the introduction of teletext level 2.5 – with 32 colours and improved graphics – the big gamble did not come off because it had to...
متن کاملInteractive Digital Teletext Service
Digital television offers significantly increased capacity, which can be used to provide digital Teletext service. The existing digital Teletext belongs to enhanced broadcast application profiles. It has only local interactivity and no return channel is needed. The digital Teletext with two-way interactivity is highly expected both from the growing market and the research area. This paper prese...
متن کاملProsody in finger braille and teletext receiver for finger braille
In this paper, we introduce durational rules in text-to-FingerBraille. Finger Braille is one of the communication methods for the deaf blind and it seems to be the medium most suited to real-time communication and for expressing the feelings of the speaker because of its prosody existing similarly to spoken languages. First, we analyzed duration between two Braille codes in Finger Braille and f...
متن کاملTeletext – Old Digits in a New Age
Teletext is a well established method of delivering textual information to the home. For example, the BBC’s CEEFAX service regularly attracts 15 million analogue television viewers each week. As such it provides a mature and stable source of “television friendly” content which can be re-published on the emerging digital television systems. However, Teletext has other properties that allow it to...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Television Engineers of Japan
سال: 1985
ISSN: 0386-6831,1884-9652
DOI: 10.3169/itej1978.39.170