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FLAC compression ratio

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  • komakinojd

    • Jun 2007
    • 11

    #1

    FLAC compression ratio

    I recently converted into FLACs (compression level 5) hundreds of albums ripped to WAVs using Reference r12.2. I noticed that for the majority of my classical-music albums, regardless of when the recordings were made or the CDs pressed, the FLACs were about 35-40% the size of the original WAVs, while the majority of my rock-music-album FLACs were about 55-60% of the original WAVs.

    What might be the cause of this discrepancy? I would think that classical music is "richer" and that its FLACs would be less compressed than rock-music FLACs.
  • LtData
    dBpoweramp Supporter
    • May 2004
    • 8288

    #2
    Re: FLAC compression ratio

    You were compressing normal 16-bit, 44.1KHz WAV files, correct?
    Lt. Data

    [URL="http://forum.dbpoweramp.com/showthread.php?t=13091"]Need to find your version?[/url]
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    • komakinojd

      • Jun 2007
      • 11

      #3
      Re: FLAC compression ratio

      Yes, all were the normal, default WAVs.

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      • bhoar
        dBpoweramp Supporter
        • Sep 2006
        • 1173

        #4
        Re: FLAC compression ratio

        Rock has more of a randomized noise signature than classical...and randomized noise is the least (losslessly) compressible data out there.

        -brendan
        I'm documenting duplicator robots and autoloaders.
        URL: [url]http://hyperdiscs.pbwiki.com/[/url]
        email: brendan|hoar+gmail|com ... replace both '|' with '.' and also '+' with '@'.

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