What exactly is "120 minutes" about a DVD

Discussion in 'Amateur Video Production' started by stankley, Nov 25, 2003.

  1. stankley

    stankley Guest

    Blank DVD disks advertise themselves as 4.7Gb and "120 minutes". Can
    someone elucidate the meaning of 120 minutes? Depending on bitrate,
    audio format the number of minutes can be far in excess of 120
    stankley, Nov 25, 2003
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  2. stankley

    Oscar Guest

    DVD media makers just want to put it in the public's mind that consumer
    recordable DVDs can hold two hours of video/audio which
    is "almost as good as commercial". They don't mention that the two hours of
    video will be at 1/2 the bit rate thus half the quality. Consumer
    recordable DVDs can only really store 1 hour of top quality DVD video.

    Oscar, Nov 25, 2003
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  3. stankley

    John Guest


    Thank you, thank you, thank you for exposing the lie that appears on
    the front of consumer recordable DVDs - which says 2 hours video.

    I'm only new to video (six months) but with my first DVD I found that
    I couldn't fit a two part video of 50 minutes for each part on a DVD -
    at MPEG-2 quality, let alone at AVI quality.

    I particularly thank you because it sets my mind at rest that I'm not
    doing something wrong, and that my experience with DVDs is just the
    way that things are - at the moment.

    John, Nov 26, 2003
  4. You're not "suppose" to put AVI into a DVD. To make a playable DVD, you
    need to use an encoder to compress your AVI to MPEG2.
    Shaw Goh \(NetPlus Micro Computers\), Nov 27, 2003
  5. stankley

    John Guest

    That's what I said. I can't fit two 50 minute MPEG-2 files at best
    quality MPEG-2 on a DVD.
    John, Nov 27, 2003
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