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Thread: avi to dat/mpg

  1. Sep 22nd, 2002, 01:29 AM #1
    anita2002
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    avi to dat/mpg

    Hi all,
    I have a movie, whose extension is .avi
    Can anyone knows a free software so that i can convert it into .dat or .mpg I think if i able to convert in such format then its size will increase but quality will also improve effectively. Any help?
    Anita
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  2. Sep 22nd, 2002, 08:45 AM #2
    Sastraxi
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    What do you mean the quality will improve? The saying is GIGO- Garbage in, Garbage out. If you have an okay stream, you're going to get either an okay stream or a bad stream back, depending on the compression, unless you use filters in it (ie. noise reduction). Anyway, TMPGenc will do this for you. Search the net.
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  3. Sep 23rd, 2002, 12:43 AM #3
    anita2002
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    Thanks Sastraxi,
    Well..I think avi format is compressed than mpg or dat. So its picture quality is not that much good as compared to mpg or dat. Even i don't have any good player with which i can play avi file.
    Can anyone tell me which player can I use to see avi files? Here i used windows media player7.0 But the picture is stopping in between and moving almost frame by frame. Can anyone tell me why this is happened?
    well..what is Garbage in, Garbage out? Please eexplain to me.
    Thanks in advance,
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  4. Sep 23rd, 2002, 05:53 AM #4
    DiGiTaIErRoR
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    You cannot take something of poor qaulity and increase it more than the original.

    The compression used is called lossy compression. Which means there is permanent quality loss. There is also lossless compression, where there is no quality loss. Audio/video codecs use lossy compression.

    So, how it looks now, will be the best it'll ever look. Without filters, which frankly, can only do so much.
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  6. Sep 23rd, 2002, 06:14 AM #5
    Sastraxi
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    Well, if it stops every frame, it means your computer isn't good enough to decode it real-time. So if you encoded to MPEG, since it is less complex, you would get worse picture quality, but it would be viewable.
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  7. Sep 25th, 2002, 07:37 AM #6
    DiGiTaIErRoR
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    Not neccessarily. The MPEG could be so uncompressed your computer couldn't read the data fast enough, wheras before it couldn't decode fast enough.
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