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  1. Member lapetite_66's Avatar
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    Apr 2006
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    Hi:

    I have some movies that I have encoded and plan to put onto DVD. I encoded with the free "oldie but goody" Divx to DVD(free). Then I used the old MPEG to VCR to combine and make a MPEG of the VOB file. Last but not least I am using DVDPro Lab.

    Each of the files only has one audio channel, three have 2.0 AC3 and one has 5.1 AC3. But I would like to have both 2.0 and 5.1 AC3 on all four. Basically I would like to know how to convert the 5.1 AC3 to 2.0 and vice versa.

    I have download the nxMyAC3.dll file. I don't see the channels on the screen like it was said that I should. The only way I see the channels available is when I go to the "Edit" tab and scroll down to the "Convert sample format". When I go to the convert sample format screen and try to convert the AC3 file I get an error message.(see below)

    What am I doing wrong?
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  2. Member
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    First of all you do not need to convert 5.1 to stereo. Player will do that for you automatically.
    To convert stereo to 5.1 you can check this.

    http://stevethomson.ca/vi/

    some guides are here

    http://forum.doom9.org/archive/index.php/t-105684.html
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  3. Member Soopafresh's Avatar
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    Sample rate for DVD should be 48000, at least I think that's the case
    "Quality is cool, but don't forget... Content is King!"
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  4. Member lapetite_66's Avatar
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    Thank you Soopafresh and Tinker.

    I went to http://stevethomson.ca/vi/ and that plugin seemed doable...until I went to the doom 9 forum and let me say those directions are a little too confusing for me.


    Is there one piece of simple and easy software that will allow me to upmix 2.0 to 5.1 AND downmix from 5.1 to 2.0???
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  5. Member
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    I do not know of any. Maybe somebody has some idea.
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  6. Member lapetite_66's Avatar
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    Since making that last post I found three pieces of software AC3Gain and 2.0 to 5.1 upmix and TCM Audio Tool.

    The only problem was the sound quality of the AC3 file. I couldn't really tell the quality of the sound watching the movie on my computer so used DVDProLab and put it onto a disc and watched a few minutes of the movie via my DVD player. I noticed the ACE3 file I had extracted using from the original AVI file using TCM Audio Tool had this echo sound as well as this slight background buzzing sound.

    I'm thinking that AC3 that I extracted using TCM Audio tool was the problem? Maybe I should have just used the 2.0 AC3 file that I got after the video file was multiplexed(I think that's the term) in DVDProLab and then upmixed it to 5.1??? Dam! I guess it's back to the drawing board.

    Still I would like to find a piece of software that can extract quality audio files from various file types.

    Thanks,
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