I'm converting Divx files to DVD MPEG-2. Is is a good idea to turn on progressive option in the encoder? What does progessive do? Does it make the picture better?
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If you are going to watch on standard TV you should interlace(non-progressive),HDTV can play both but looks better de-interlaced(progressive).PC monitor is progressive as well
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yes I want to watch it on a normal TV, so you're saying NOT to turn on that option right?
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I always make progressive, you DVD player can convert it to interlaced for you, and then when you get a progressive scan TV/DVD Player down the road it will work.
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If your source is progressive there is no reason to convert it to interlaced if your intended playback device is a television, regardless of whether it is regular or progressive scan. If anything this will lower quality.
If you set it to progressive it treats each frame as just that, a single picture. If you set it to interlaced then it breaks it into fields (each field represents all of the odd or all of the even scan lines). Most encoders encode interlaced material much poorer than progressive material.
Unless you are doing some weird framerate conversions, keep your source progressive. When you have an interlaced source that's when you have to decide whether to make it progressive or not. -
How do i know if my Divx file is progressive or interlaced? Is there a program that tells me?
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Well if its divx its almost surely progressive. Its true that some of the later divx codecs now support interlacing, but divx is really meant more for pc playback, and since pc monitors are progressive, your divx should be also.
If you want to check for sure, then load it into TMPGenc and preview it in source range or using its deinterlace option. Go through it frame by frame, if you see fields (basically only every other scan line is there, with blank space in between- looks like a comb of a picture) then its interlaced, or at least has some interlaced frames. If its just one whole frame after another, its progressive. -
Originally Posted by digicube
Don't de-interlace unless like mentioned you have an HDTV. Interlaced looks better on a standard TV the de-interlaced."Terminated!" :firing: -
Originally Posted by Mr Walker"Terminated!" :firing:
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Yes, but take this hint w/ thought, that if you do encode w/ Interlace, make
sure you leave enough extra for bitrate.. if you're calcualting bitate, that is.
Interlace requires a lot more bitrate, and its only fair to warn those that do
not know this important factor when setting up a bitrate project.
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Last thing we want to hear is, "..but it came out like crap!"
be well all,
-vhelp
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