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  1. I have downloaded several Youtube mp4 videos which has 871 kbps bitrate and data rate 746 kbps.
    each video is 1 h 24 min and 550 mb.
    For some reasons blank DVD cost is high in our country - 2.50 dollars each - thats why I want to fit as much of these videos in one dvd.

    So my question is whats the maximum video length (using the above downloaded mp4 videos) can i fit into one 4.7 gb DVD?
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
    Join Date
    Aug 2000
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    Sweden
    Search Comp PM
    You can fit several hours/4.7gb but the quality wont be good. I would first try around 3-4 hours/dvd. You can test convert with for example avstodvd, dvd flick or convertxtodvd. Output to the hdd. Test play the video_ts folder or iso with Vlc Media Player. Last burn the video_ts folder or iso with imgburn.

    An alternative would be to convert to avi divx/xvid if your dvd player supports it. You can then fit much more/dvd with better quality.
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  3. But you see, the downloaded youtube videos already does not have high bitrate, so maybe it wont make a difference.

    Is there a way that while burning a dvd, i can maintain the same bitrate as the youtube mp4 videos? Or there is a difference when mp4 is converted to mpeg2 format for dvd? I want to fit 6 hours.
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  4. Originally Posted by newripper View Post
    But you see, the downloaded youtube videos already does not have high bitrate, so maybe it wont make a difference.

    Is there a way that while burning a dvd, i can maintain the same bitrate as the youtube mp4 videos? Or there is a difference when mp4 is converted to mpeg2 format for dvd? I want to fit 6 hours.
    You can set the bitrate to anything you like when authoring, but if the bitrate is too low it will look terrible. As a rule of thumb, mpeg2 is less efficient than mp4 so requires higher bitrate for similar quality, but you're starting with low quality anyway.

    Use Baldrick's method above to see if the the quality is acceptable to you.
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  5. Member DB83's Avatar
    Join Date
    Jul 2007
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    United Kingdom
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    There are a few low-quality dvd-compatable encodes you can try.

    1. 'Half-D1'. That can give you 3-4 hours on one disk
    2. 'VCD'. That can give you 6-10 hours on one disk

    avstodvd supports both. You must alter the encoding settings before you author.

    Neither will give you 'brilliant' results and the larger your tv screen the worse they will look
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