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M4a size

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  • 338
    • Sep 2020
    • 2

    M4a size

    when convert to m4a from foobar give a lil more small size than dbpoweramp any reason why dbpoweramp make m4a a lil more big?
  • Spoon
    Administrator
    • Apr 2002
    • 44154

    #2
    Re: M4a size

    What are the size differences?
    Spoon
    www.dbpoweramp.com

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    • 3888
      • Sep 2020
      • 1

      #3
      Re: M4a size

      My bad it was the other way around dbpoweramp was makin m4a small and foobar2000 was makin m4a a lil big here screenshot one on left from dbpoweramp and one on right from foobar Click image for larger version

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      • 388
        • Oct 2020
        • 1

        #4
        Re: M4a size

        What i did convert an m4a file from itunes store to qaac m4a to reduce the bitrate a bit and what i notice itunes encoder and foobar both give out the same size while dbpoweramp is makin m4a size smaller don't know what that is about!

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        • Wmi
          • Oct 2020
          • 1

          #5
          Re: M4a size

          Came across similar same thing cause i notice dbpoweramp flac size is somewhat big compare to the flac conversion from xld and it was at same compression levels don't know if this a bug or what

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          • garym
            dBpoweramp Guru
            • Nov 2007
            • 5798

            #6
            Re: M4a size

            Originally posted by Wmi
            Came across similar same thing cause i notice dbpoweramp flac size is somewhat big compare to the flac conversion from xld and it was at same compression levels don't know if this a bug or what

            Do both files have identical metadata? And what about tag (metadata) buffer size. This could differ across different encoders.

            EDIT: And you can use the dbpoweramp utility DSP "Calculate Audio CRC R3" to calculate the audio CRCs of the two different files. They should be identical (as these CRCs are based on the audio content only, not the tag info).
            Last edited by garym; October 11, 2020, 06:50 PM.

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