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Intensity Pro capture distorted
Hi,
Thank you again blackmagic design for another cost efficient yet good quality product.I’m happy with Intensity Pro’s HD capture result but I’m running to some problem with SD capture.
It looks like intensity pro only capture NTSC D1 0.9 pixel ratio footage while my source output 1.0 ratio. So I getting a distorted picture. You can see jaggy all around especially on the edge of object.
Is there anyway let intensity capture as 1.0 pixel ratio?
I’m currently working on a project, any suggestion is really appreciated. Thank you.
Qian
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2 Replies
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I’m no AV expert, but from what I can tell within my Premier project settings, NTSC will either be .9 or 1.2, depending on whether its 4:3 or 16:9. Now, if your source is 16:9 HD, which I guess is always 1.0, you should be able to down convert HD to SD (letterbox or anamorphic) within the Intensity control panel. I don’t how/if this changes the pixel ratio, but it has worked on my system with no distortion on the letterbox setting. I am sure though, that the Intensity will capture more than just NTSC .9 – you have to change the settings within whichever software you are using for capture.
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Also, are you getting the distortion after you output the video as an mpeg or something, or can you notice it in your project? I know in Premier, you can change the pixel ratio with most of the output formats. Does this jaggy distortion look like aliasing, possibly from trying to capture a higher resolution image, or could it be interlacing – which always looks funny on a digital monitor, but “vanishes” when displayed on a television?
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