Infoseite // Low-tech standards conversion?



Frage von ennui:


A digital camera with movie mode records video with 30 fps. You can display the video s.Composite output p.50-i-Pal-liquid television. This still needs to find some kind of internal standards conversion instead. What happens if the TV-out analog signal is now captured in 25fps?

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Antwort von tommyb:

They nest, the 30 frames into 50 fields. In the remaining 20 images are generated either by a double representation of different images or through the apertures of two images.

One can even make wonderful synonymous s.PC, eg with Avisynth.

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Antwort von MK:

I think rather that the digital camera may spend PAL60 ... This is NTSC with PAL color carrier, a change the frame rate will not take place.

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Antwort von WoWu:

Quote: What happens if the TV-out analog signal is now captured in 25fps?
If not ..

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Antwort von ennui:

Why not?

The cameras can be made for the composite TV-out and even put on Pal or NTSC. If ordinary 50i Pal-tube TV takes the signal, but one synonymous MiniDV capture interface, the composite "25ps" - or 50i signal that receives the camera because, somehow, interlaced or not can get in? Or then there is only the black picture? Because Pal 60? Do I have probably auspropieren but on occasion times.

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Antwort von WoWu:

Because you have the "framework" of NTSC, synonymous is decoded when the PAL color signal.
So you have no 625 (, 576) lines, but only 525 (, 480) lines and thus not synonymous, the full height of PAL.
Only your TV set is able to display 60Hz.
Such a thing is from the GAME world and was synonymous found in some DVD players, only recorder for such a format would have to be invented yet.
Quote: The cameras can be made for the composite TV-out and even put on Pal or NTSC.
Note the little word: or and not "and"
But try it out ...

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