An extremely bodge and pretend implementation of High Definition, Digital TV. Still uses MPEG compression but has a resolution of 576 lines, progressive (p) and is usually chronically over compressed. Low Definition is still widescreen but only ever offers 2 channel Dolby Digital AC-3 surround sound.
LCN70 on the Seven Network Australia, LCN60 on Prime Australia, LCN20 on ABC Television Australia and LCN30 on SBS Australia.
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High Definition digital(see HD) that is overcompressed and no longer deserves to be called High Definition.
Typically this occurs when the video bitrate is below 14 megabits per second on a 1080i High Definition channel.
Nine HD in Sydney with a video bitrate of 11.8 megabits per second, WIN HD with a video bitrate of 11 megabits per second, Ten HD with a video bitrate of 12.8 megabits per second.
All examples accurate on the 31st of July 2005.
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