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Div-x Questions

Discussion in 'Desktop & Laptop Computers Forum' started by ispartacus75, Jan 19, 2002.

  1. ispartacus75

    ispartacus75
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    I dont know if this is the right place for questions on Div-x but here goes anyway.

    1) What sort off fliesize would a half hour Div-x file be?

    2) What sort of time would it take to upload and download a half hour Div-x file using a 56k modem?

    3) What sort of time would it take to upload and download the file over a cable or adsl connection

    Thanks in advance for your help.
     
  2. Desmo

    Desmo
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    1) What sort off fliesize would a half hour Div-x file be?
    This can vary hugely depending on the quality you want.
    Also depends on what soundtrack you are using.
    For half and hour and semi-decent quality you would be looking at at least 200Mb. Again, it depends on what you are using it for. Backing up DVD's (won't go into that here for obvious reasons) you would want higher quality than if it was for just putting your home videos into a format small enough to send to someone.

    2) What sort of time would it take to upload and download a half hour Div-x file using a 56k modem?
    Let's imagine a 250Mb file. Max download for a 56k modem is 7k/sec.
    Being more realistic you are probaly looking at between 4-5k/sec.
    250Mb @ 4.5k/sec = 16 hours approx.

    3) What sort of time would it take to upload and download the file over a cable or adsl connection.
    Assuming a cable/adsl connection of 512k.
    Looking at approx 55-60k/sec
    250Mb @ 58k/sec = 1 hour 15 mins.

    Assuming a cable connection of 128k (quite common now).
    Looking at approx 15k/sec
    250Mb @ 15k/sec = 4 hours 45 mins.

    Remember, these are approximates and will vary widely on quality used to compress along with the quality of your net connection.
     
  3. ispartacus75

    ispartacus75
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    tanks for your help, i should have really stated what the video would be for. It would be for an amatuer American Football magazine program using the net as its means of distribution. This would not be viewed as streaming media but as a weekly upload adn ddownload by the people that wish to view it
     
  4. Desmo

    Desmo
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    With Div-x you can tailor the quality to suit your needs.
    As this is sport it doesn't really suit compression as well as slow moving scenes, but on the other hand I would imagine that the sound isn't quite so important so you could make the sound quality a lot lower to compensate.

    You could also split the files down into smaller parts or make different file sizes at varying quality for different users.

    If you want some Div-x encoding tools and far better advice than I could ever give then take a look at www.doom9.org
     

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