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Re: Blu-Ray
I'm surprised .... 'would have expected them to preserve the 24fps ...
DVDs play pretty well, and now it seems that's both despite them being
both expanded low-res & wrong-speeded ...
very surprised !
Chris
Wed, 31 Jan 2007 21:12:25 +0000
From: Chris Hunter <cjhunter@xxxxxxx>
in this month's Which? they mention that the image wasn't so good on the
occasion of the UK launch ... because the discs were formatted at 24fps
(movie standard) but played on a European DVD player working at 25fps
... losts of juddering, apparently ...
goodness ... IFRC ... 24fps has been the standard for movies since I
don't know when ... how on earth would they be converted to 25fps
without a lot of interpolation etc - ie: significant loss of quality ... ?
I can't believe it !
Chris
----
Wed, 31 Jan 2007 22:38:48 +0000
From: Mal Lansell <mal@xxxxxxx>
I thought they just played them at 25fps - ie slightly faster and with
the audio pitched up a tiny bit. That would also explain why the
running times on PAL disks are a little shorter than would otherwise be
expected.
Mal
---
Wed, 31 Jan 2007 22:45:38 +0000
From: Jim Noble <yahoo-groups@xxxxxxx>
In PAL-land, 24fps material is normally just straight converted to
25/50fps (frames/fields) and played back 4% quicker (ie no
interpolation).
In NTSC-land they do a 3:2 pulldown.
http://en.wikipedia.org/wiki/Telecine#3:2_pulldown_.28technically.
2C_2:3_pulldown.29
In the digital world, it's entirely possible to undo all this
nastiness before the images appear on your screen:
http://en.wikipedia.org/wiki/1080p#1080i_film-
based_content_can_become_true_1080p
Jim
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