Read this: Picture Quality on BBC HD: a Viewers Group Visit (part 2)
Summary: The method requires the assessment of two versions of each test clip. One of each pair of test clips is unimpaired while the other presentation may or may not contain impairment. In the series of tests, the position of the reference picture is changed in pseudo-random fashion. - bbc.co.ukRead full article: Picture Quality on BBC HD: a Viewers Gro…
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