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  1. 6th Sep 2001 06:28 #1
    ccngo
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    In my case, when I convert a perfect looking avi file to MPEG for vcd burning, it looks worse than the avi file. Shouldn't it look better since it is a bigger file and less compressed? I use TMPGenc to convert....is there a better program to do so? MPEG should look better right?
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  2. 6th Sep 2001 23:56 #2
    Darkbird
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    A picture or video stream only has a certain amount of quality to it to begin with. If you re-encode that picture or video stream with a form of compression that is lossy (loses information) the quality is reduced.

    It doesn't even matter if your source is uncompressed, you are still throwing image detail away by using a lossy compression method when encoding.

    Divx (mpeg4), mpeg1 and mpeg2 are all lossy compression methods.

    Sound encoding is affected the same way too.

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