[MPlayer-users] converting 25 fps to 24 fps

[Alexander Roalter]

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Phil Rhodes wrote:
>> but normally the pitch changed when the video was sped up to 25 fps
> 
> This hasn't commonly been the case since the early or mid 90s. It's all 
> pitch-corrected now.
> 
> Which means you will be pitch correcting it twice, with a nice AC3 
> compression step in the middle. Which is a bad idea. Watch it at 25.
> 

How do you come to this conclusion? On about 90% of my (PAL) DVDs
there's no Pitch Correction (at least on the Original Language Track).
Esp. the Universal Picture and Fox ones are easy to find, since the
Universal Logo and Fox Logo both have sounds where I know the original
tone height (or from some NTSC-DVDs), with Sony/Columbia this is also
the case. With Warner it's not so easy to tell, since 'As Time Goes By'
is not always heard at the beginning. It often helps to compare it with
the different language tracks on the discs, esp. Audio Commentaries,
which -- even in cases where the main audio track is pitch corrected --
is (to my knowledge) never pitch corrected, and esp. in musical
sequences you clearly hear the difference.


- --
Cheers,
Alex
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