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  1. #1
    Lounger
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    YouTube: same video content, different file sizes

    I downloaded the 'Vienna Philharmonic New Year's Concert 2014 Full (HD).mp4' from Youtube, trying
    two free download programs. In each case, I chose the highest setting (720), but the downloaded file
    sizes were 2.36GB and 3.05GB. Quality seemed the same, but can anyone explain the difference.

    In addition, I tried three times to download the same video using Firefox Video DownloadHelper but, it
    got so far and then stopped.

    The video link is: https://www.youtube.com/watch?v=jIPL5gxjKO4

  2. #2
    Silver Lounger
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    Quote Originally Posted by thatman View Post
    I downloaded the 'Vienna Philharmonic New Year's Concert 2014 Full (HD).mp4' from Youtube, trying
    two free download programs. In each case, I chose the highest setting (720), but the downloaded file
    sizes were 2.36GB and 3.05GB. Quality seemed the same, but can anyone explain the difference.

    In addition, I tried three times to download the same video using Firefox Video DownloadHelper but, it
    got so far and then stopped.

    The video link is: https://www.youtube.com/watch?v=jIPL5gxjKO4
    Interesting. I use the Ant.com Toolbar in Firefox and your link gives me a 683MB Full HD download for a 2 hr 32 min 05 sec video after getting past the advertisement at the beginning. There was no other choice of type of video.

  3. #3
    Super Moderator RetiredGeek's Avatar
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    thatman,

    I'd assume that the 720 refers to 720p which is NOT full HD.
    From that I'd infer that your download programs are compressing the download and doing it differently.

    Berton's results would also seem to confirm this analysis. Of course YMMV.

    HTH
    May the Forces of good computing be with you!

    RG

    PowerShell & VBA Rule!

    My Systems: Desktop Specs
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  4. #4
    Lounger
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    Here are screenshots of the three downloaders, showing the choices:

    4K Video Downloader:
    4K Video Downloader.jpg

    Freemake Video Downloader:
    Freemake Video Downloader.jpg

    Firefox's Video DownloadHelper:
    Video DownloadHelper.jpg

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