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AVI to MPEG2 without increasing file size?

Discussion in 'MPEG-1 and MPEG-2 encoding (AVI to DVD)' started by scott_b, Feb 5, 2005.

  1. scott_b

    scott_b Member

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    Hi

    I have a complete series of a program I watch and it’s in the AVI format. It comes to just under 4GB in size. I want to transfer these to DVD so that it can be viewed on a standard DVD player. The quality of these AVIs are great and I just need to covert them to Mpeg2 so that I can edit them in DVD lab!

    My question is when I am converting them, will they get bigger in size? I am trying TMPGenc and it makes 1 episode the size of a complete DVD? How can I convert an AVI to Mpeg2 without making the file substantially larger?

    Any help is much appreciated!
     
  2. rebootjim

    rebootjim Active member

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    Drop the bitrate really low in tmpgenc.
    BTW, DVDLab is not an editor.
     
  3. Minion

    Minion Senior member

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    Generally the Files will allways be bigger than the AVI files if you want to retain the quality....

    You can Fit about 2 Hours of Video with acceptable Quality on a DVD when useing the "Full D1" Resolution (720+480/576-Pal) when useing a Video Bitrate of 4875kbs and an Mpeg 1 Layer 2 audio Bitrate of 192kbs...

    You can fit about 4 Hours of Acceptable Quality Video on a DVD when useing the "Half D1" Resolution (352+480/576-Pal) when useing a Video Bitrate of 2350kbs and an Mpeg 1 Layer 2 audio Bitrate of 192kbs...

    You can Fit about 6 Hours of Better than VCD quality Video on a DVD when useing the "SIF/CIF" Resolution (352+240/288-Pal) when useing a Video Bitrate of 1475kbs and an Mpeg 1 Layer 2 audio Bitrate of 192kbs...

    Cheers
     
  4. aldaco12

    aldaco12 Active member

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    In general, the rule is:

    80' of VCD movie for 80' CD-R
    about 50' of SVCD movie for 80' CD-R

    More, another ruls is "garbage IN = garbage OUT". Make a SVCD only if the input AVI has great quality, otherwise stick to VCD and the output movie won't be worse.

    Going back to the SVCD (good input AVI only!): if you read http://www.afterdawn.com/guides/archive/dvd2svcd_with_tmpgenc.cfm, you'll see than you can adjust the bitrate settings (check them with FitCD) to make a half/a third (I prefere to split the movie in 2 CD-R, the guide suggests a 3 CD-R splitting) of movie to fill 1 CD-R. Obviously, if the 'piece' of movie you're trying to put in a CD-R is over 50', avoid making a SVCD because you would need a birate setting so low that you'd better make a VCD woth that movie.
     
    Last edited: Feb 6, 2005

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