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Originally Posted by wheeliebin
When you say blocky what do you mean exactly ?
Us engineers use the term to descibe a digital picture that is having problems. The effect is that whole "groups" of pixels turn into blocks making the picture look all "jumbled" up. It is very obvious and would ruin any watching enjoyment.
Is this what you mean ?
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One easy example would be something with a relatively simple screen sequence such as the World Snooker that has been on BBC recently. There seems to be two standard camera shots used; †œzoomed out" and †œclose-upâ₠¬Ãƒâ€šÃ‚ to describe the play.. with the †œzoomed outââ‚ ¬Ãƒâ€šÃ‚ camera angle showing fairly heavy pixilation (mosaic type blocks) surrounding the snooker ball(s)...
Its more noticeable depending whats happening on-screen .. if the screen is fairly busy with colours, motion etc.. then its more harder to see the problems; but in the quieter times when not a lot is happening you do get to notice it quite easily.
Something else that springs to mind (purely because its noticeable) is the title-sequence to EastEnders; often showing fairly large amounts of blocks/artefacts..
Soccer-AM (the red sofa) is amazingly blocky.. looking at ITV1 now 23:11 (The Premiership) the pitch looks horrendous .. i.e very little detail to the green with noticeable blocks.