CLOSE, often written on-screen as This Is BBC TWO' or Pages from Ceefax , and sometimes not even mentioned in television listings, is one name given to the Ceefax pages that are broadcast on BBC TWO during television shutdown, in 4-Tel On View and ITV Nightscreen style. It has replaced the test card, largely. A BBC Ceefax page from 10th September 1999 Ceefax (phonetic for See Facts) is the BBCs teletext information service. ... BBC Two (or BBC2 as it was formerly styled) was the second UK television station to be aired by the BBC. // History The channel was scheduled to begin at 7:20 pm on April 20, 1964 and show an evening of light entertainment, starting with the comedy show The Alberts... 4-Tel On View was a sequence of teletext pages from Channel 4s 4-Tel service shown in the early mornings in the United Kingdom in the 1980s and 1990s before the start of each days scheduled programmes. ... ITV Nightscreen is a sequence of static pages of information about ITVs upcoming programmes, features and special events. ... A test card, also known as a test pattern in North America, is a television test signal, typically broadcast at times when the transmitter is active, but no programmes are being broadcast. ...
A close vowel is a type of vowel sound used in many spoken languages.
The defining characteristic of a close vowel is that the tongue is positioned as close as possible to the roof of the mouth without creating a constriction that would be classified as a consonant.
Close vowels are often referred to as high vowels because the tongue is positioned high in the mouth during the articulation of a close vowel.