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DVD vs Blu-ray

Discussion in 'Blu-ray players' started by ringofire, Oct 5, 2006.

  1. ringofire

    ringofire Member

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    1. So if you have backed up an old movie (without compression) onto a 4.7 G DVD disc and it fit. Then, the same movie comes out on Blu-ray is one better quality than the other?

    2. Do you think that eventually you will be able to transfer this old movie on DVD to the new Blu-ray format?
     
  2. dblbogey7

    dblbogey7 Guest

    1. BluRay will have better picture quality. Here are the specs for each format:

    DVD
    Single Layer Disc capacity - 4.7 Gigabytes
    Maximum resolution - 720 x 480 (NTSC)
    Bit Rate - Up to 9.8 Mbits/s MPEG2

    BluRay
    Single Layer Disc capacity - 25 Gigabytes
    Resolution - 1920 x 1080
    Bit Rate - Up to 40 Mbits/s of Video data

    2. A dual layer BluRay disc can hold about 23 hours of SD video so theoretically yes.

     
    Last edited by a moderator: Oct 5, 2006
  3. ringofire

    ringofire Member

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    so are the DVDs that everyone has backed up, outdated now?

    would a dvd converted to Blu-ray = the same commercially avail title issued in Blu-ray?
     
  4. garmoon

    garmoon Regular member

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    Why would they be out dated? They will probably be playable long after the Blu-Ray format goes away. The discs will cost so much no one will go for it. How many DL DVDs you buying at present? Anyway it looks like the other format may win out. Sony may be backing the next incarnation of Betamax! LMAO It'll be hell to copy HD movies in the new Vista OS too boot.
     
  5. dblbogey7

    dblbogey7 Guest

    NO. Read the specs above. They don't convert DVD's into BluRay movies.

    Regular DVD's are standard definition.
    BluRay and HD-DVD = High Definition
     
  6. ringofire

    ringofire Member

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    eventually there will be hardware and software to do it. will the quality be the same at that point and if not why?
     
  7. sniper466

    sniper466 Member

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    yo blue ray is the shit i have one dude
     
  8. deepburn

    deepburn Member

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    If hardware/software comes out to up-convert a standard DVD to an HD-DVD or BluRay the result won't be anywhere near the quality of an original HD-DVD/BluRay disc. It's like the A/V Receivers and DVD Players available now that up-convert to "High Definition". I can't explain it in technical terms but they're really just guessing what pixels to add to increase the resolution. The result may (or may not) be better than the original video, but definitely won't be true High Definition.
     

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