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Activity Forums DVD Authoring Interlaced/None PNG for menu backdrop – DVD SP

  • Interlaced/None PNG for menu backdrop – DVD SP

    Posted by Elijah Lynn on January 8, 2009 at 10:30 pm

    I am wondering if I should be using a interlaced or normal png for my main menu background. I used a interlaced png for a test dvd and some of the text was badly aliased.

    Just trying to track down the source of the problem.

    Thanks

    Elijah Lynn replied 17 years, 4 months ago 2 Members · 2 Replies
  • 2 Replies
  • Noah Kadner

    January 9, 2009 at 5:59 pm

    You should try BMP or PSD for best quality. PNG is compressed.

    Noah

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  • Elijah Lynn

    January 9, 2009 at 6:48 pm

    Hi Noah,

    Thanks for replying. While PNG is compressed it is a lossless codec and doesn’t result in visual degradation. It uses “deflate” to do it’s “zipping”.

    I just realized that the interlaced setting in PNG is more of a progressive download feature and has nothing to do with NTSC interlacing.

    So even though it is a lossless codec does DVD SP not handle this correctly? Or maybe it cannot handle the interlaced option(progressive download) I checked. Of course now that I know this I will leave it unchecked but I will also try your advice and just use a flattened PSD and see if that helps any!

    Thanks again for your input!

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