Why is an MP4 file so much smaller then a mpeg file?

Discussion in 'Community Discussion' started by The Doctor11, Dec 30, 2014.

  1. The Doctor11 macrumors 603

    The Doctor11

    Joined:
    Dec 15, 2013
    Location:
    New York
    #1
    I was just wondering why a MP4 file is so much smaller then a mpeg file. I had a mpeg file and converted it to a MP4 file. The original mpeg was 207 MB. But after the conversion it was 64.5 MB. I didn't see any changes in quality. Is there a change in quality?
    Any answer is appreciated :)
     
  2. MacNut macrumors Core

    MacNut

    Joined:
    Jan 4, 2002
    Location:
    CT
    #2
    MP4 is a stripped down MPEG 4 file.

    http://www.differencebetween.net/technology/protocols-formats/difference-between-mpeg4-and-mp4/
     
  3. The Doctor11 thread starter macrumors 603

    The Doctor11

    Joined:
    Dec 15, 2013
    Location:
    New York

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