24f lower res compared to 24p.
Tests were done with professionals and novices spotting the difference. A last, this will do away with the myth that there is no discernible difference between 24p and 24f.
Summary: http://www.freshdv.com/2007/03/what-...a1-camera.html Article: http://www.showreel.org/memberarea/article.php?238 Thanks. |
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A more interesting comparison would be the Canon XH-A1 in 24f mode against the Sony V1U in 24p mode, so we can see how Sony's approach to 24p from a 960x1080 sensor compares to Canon's approach from a 1440x1080 sensor. |
Not again, hasn't it been proven again and again that Canon 24f is not any smart deinterlacing or interpolation?
Canon somehow managed to reclock the ccds to scan progressively (or something like that) despite using interlaced chips. It is the same as how those CineAlta cams get progressive footages out out interlaced chips. If Canon only called it 24p in the first place, no one would have even questioned it. |
Maybe there is a reason they donīt call it 24P
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They don't mention what "much pricier" camera was used for comparison. Particularly without knowing what camera it was, it's a bit of a stretch to draw any conclusions, strictly regarding 24F vs 24P, based on that comparison.
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The pricier camera had it's footage adjusted to remove other bias, and they are both 1080, so should both do 1080 lines. |
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There was an method that HV10 people got true progressive, by lowering the exposure to 30th/sec, but you could not have 60th/sec shutter in camera. |
If the "much pricier" camera was a CineAlta, it's no surprise that resolution was higher than the H1 (regardless of mode). Take a look at this resolution comparison (about 3/4 down the page):
http://www.adamwilt.com/HD/4cams-part1.html The H1 shoots a very sharp picture for a camera under 10k, but expecting it to shoot as sharp a picture as a CineAlta is pretty wishful thinking. |
Sorry guys, this is old ground, nothing new here. It sure does look like these fellows who did the test really truly gave it a good try, but in the end it is entirely pseudo-scientific...lots of poorly controlled variables and no indication they even used a rez chart at all but rather just took a WAG at the resolution loss. They don't even seem to be aware that at the time of publication of their article, Canon had already said how they do F mode.
Interestingly, at the end of the intro section -- before they even get to the test -- they acknowledge that F mode has superior progressive resolution as compared with other cameras in the price class. There are already numerous existing threads on DVinfo with more factual info on F mode, mostly in the XL H1 and XH fora. Please do read those threads and contribute to them if you have additional factual info. Given the existence of so many F mode threads, I'm going to close this one. |
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