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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Whats wrong with todays tv video ?
I've 2 perfectly good analogue TVs which I see no point in ditching in
favour of some digital TV. The impetus for me, to get a free to air digibox, was a TV channel was going to do a long feature on a recent artist Constable exhibition. That low power channel , locally, on analogue is just snow with a hint of colour. The digitally decoded version of that channel, at first sight, was full colour and no snow. But viewing closeups of Constable's work in that programme and of course all the other digital channels the same shortcomings in the coding/decoding of the video info. In artistic terms I belive its called "local colour" , in effect, a restricted palette range of colour. Instead of a myriad of green hues you could expect from the analogue system there was such limiting of range that it makes watching anything other than cartoons very noticeably degraded. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#2
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Whats wrong with todays tv video ?
"N Cook" wrote in message ... I've 2 perfectly good analogue TVs which I see no point in ditching in favour of some digital TV. The impetus for me, to get a free to air digibox, was a TV channel was going to do a long feature on a recent artist Constable exhibition. That low power channel , locally, on analogue is just snow with a hint of colour. The digitally decoded version of that channel, at first sight, was full colour and no snow. But viewing closeups of Constable's work in that programme and of course all the other digital channels the same shortcomings in the coding/decoding of the video info. In artistic terms I belive its called "local colour" , in effect, a restricted palette range of colour. Instead of a myriad of green hues you could expect from the analogue system there was such limiting of range that it makes watching anything other than cartoons very noticeably degraded. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ Congratulations ! You've just discovered the great myth of the 'perfect' digital picture ... Digital terrestrial TV is NOT about better pictures or more channel choice, it is primarily about ways to reduce spectrum useage so that this rotten government have got more to sell off to the mobile phone operators. Satellite, on the other hand, is a whole different matter. There is plenty of bandwidth available there, so very high quality transmissions can take place. If you want to see REALLY bad digital artifacts, go look at a Freeview box, connected to a plasma or LCD TV. Digital + digital = ( crap ) x 2 ... Arfa |
#3
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Whats wrong with todays tv video ?
In article ,
Arfa Daily wrote: Digital terrestrial TV is NOT about better pictures or more channel choice, it is primarily about ways to reduce spectrum useage so that this rotten government have got more to sell off to the mobile phone operators. Just *this* government? IMHO, the rot really set in in UK TV after the last lot auctioned off the ITV franchises - thus setting the precedent that revenue raising was more important than the quality of the service. Just about everything else led on from there. Satellite, on the other hand, is a whole different matter. There is plenty of bandwidth available there, so very high quality transmissions can take place. 'Can' being the operative word. Most of what I've seen is equally as bad. -- *It is easier to get older than it is to get wiser. Dave Plowman London SW To e-mail, change noise into sound. |
#4
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Whats wrong with todays tv video ?
"N Cook" wrote in message
... I've 2 perfectly good analogue TVs which I see no point in ditching in favour of some digital TV. The impetus for me, to get a free to air digibox, was a TV channel was going to do a long feature on a recent artist Constable exhibition. That low power channel , locally, on analogue is just snow with a hint of colour. The digitally decoded version of that channel, at first sight, was full colour and no snow. But viewing closeups of Constable's work in that programme and of course all the other digital channels the same shortcomings in the coding/decoding of the video info. In artistic terms I belive its called "local colour" , in effect, a restricted palette range of colour. Instead of a myriad of green hues you could expect from the analogue system there was such limiting of range that it makes watching anything other than cartoons very noticeably degraded. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ This topic is discussed in alt.tv.tech.hdtv. Be sure to mention the modulation used for the digital signal. |
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