C-Day
Encyclopedia
Colour Television in Australia
Australia was a little late in introducing Colour television, in order to choose thecorrect television system, waiting about 5 years from the time PAL
PAL
PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast television systems in many countries. Other common analogue television systems are NTSC and SECAM. This page primarily discusses the PAL colour encoding system...
was invented.
It was then forbidden for broadcasters to transmit the chroma burst signal, until the designated
day March 01 in 1975. The broadcasters were allowed to experiment with transmitting colour
signals in the picture area, and get their transmission up and running while people who had already bought colour Tv sets could only watch the shows in black and white monochrome
Monochrome
Monochrome describes paintings, drawings, design, or photographs in one color or shades of one color. A monochromatic object or image has colors in shades of limited colors or hues. Images using only shades of grey are called grayscale or black-and-white...
. There were some people who built a circuit to circumvent this,
where they would syncronize the crominance decoding oscillator manually.
Commercials Day in England
C-Day or Commercials Day, 1 July 2000, was the date at which UK broadcasters (with the exception of MTV UK and VH1 UKVH1 UK
VH1 is a specialist music television channel from MTV Networks Europe. The channel broadcasts into the United Kingdom and the Republic of Ireland. The channel is based on the original VH1 American channel of the same name...
http://www.ipa.co.uk/news/news_archive/displayitem.cfm?itemid=258) changed from requiring 4:3
Aspect ratio (image)
The aspect ratio of an image is the ratio of the width of the image to its height, expressed as two numbers separated by a colon. That is, for an x:y aspect ratio, no matter how big or small the image is, if the width is divided into x units of equal length and the height is measured using this...
-aspect commercials, to requiring 16:9 Full Height commercials supplied to them, shot "14:9 safe" for those channels which in part (i.e. the analogue feeds of Terrestrial broadcasters) or in whole (many cable television
Cable television
Cable television is a system of providing television programs to consumers via radio frequency signals transmitted to televisions through coaxial cables or digital light pulses through fixed optical fibers located on the subscriber's property, much like the over-the-air method used in traditional...
and satellite television
Satellite television
Satellite television is television programming delivered by the means of communications satellite and received by an outdoor antenna, usually a parabolic mirror generally referred to as a satellite dish, and as far as household usage is concerned, a satellite receiver either in the form of an...
channels) continued to broadcast a 4:3 frame.
ITV
ITV
ITV is the major commercial public service TV network in the United Kingdom. Launched in 1955 under the auspices of the Independent Television Authority to provide competition to the BBC, it is also the oldest commercial network in the UK...
and Channel 4
Channel 4
Channel 4 is a British public-service television broadcaster which began working on 2 November 1982. Although largely commercially self-funded, it is ultimately publicly owned; originally a subsidiary of the Independent Broadcasting Authority , the station is now owned and operated by the Channel...
took advantage of C-Day to update their continuity suites to be widescreen capable, broadcasting a certain proportion of their idents in widescreen http://www.thetvroom.com/old/p-itv-1-net-1999-a.shtml.