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Converting 320kbps to VBR??

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  • cyphera9

    • Jul 2010
    • 8

    Converting 320kbps to VBR??

    I must start by saying i absolutely adore dbpoweramp, i have used so many programmes over the years but finding this was like a revelation, GOOD WORK!!

    I have started to run out of space on my ipod, i have a massive music collection and alot of it I have had to just accept won't be on my 80gb ipod, but it's got to the stage now where I can't make any more room for music that really must appear on my ipod.

    I've converted a few albums from 320kbps to -v 0 VBR and I save around 30mbs an album so this seems like a clever step forward. I've listened to the two bit rates back side by side and can't really hear a difference in quality but this is something I would want to explore more of before converting everything.

    I was wondering if anybody has any input? As anybody done this before? How did it go? If i'm correct I understand converting lossy to lossy (mp3 to mp3) no matter the bitrate will result in a loss but I'm wondering how measurable a loss this will be. Like I say I have listened to the 2 versions of a track back through good 5.1 speakers and headphones and can't really hear a difference but when I do hear a difference I'm not sure if it's my head playing tricks on me :cry:.

    Does anybody know of a more advanced way of checking the difference between the 2 bitrates or does anybody know more about how much of a loss I am resulting in converting this way.

    Though I mentioned size, quality is my priority so if you guys can give me some idea that would be bril :D

    Much love to the dBPoweramp world!
  • Spoon
    Administrator
    • Apr 2002
    • 44574

    #2
    Re: Converting 320kbps to VBR??

    The quality loss would probably be minimal, AFAIK anything above 224 Kbps is transparent, so 320Kbps >> -v0 should not be detectable.
    Spoon
    www.dbpoweramp.com

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    • cyphera9

      • Jul 2010
      • 8

      #3
      Re: Converting 320kbps to VBR??

      Cheers Spoon, I'll give it a go on some more albums.

      Do you know of a better way to compare the tracks other than listening to them side by side?

      Comment

      • Spoon
        Administrator
        • Apr 2002
        • 44574

        #4
        Re: Converting 320kbps to VBR??

        That is the only way as lossy codecs have perceptual encodings, that is you cannot compare spectrum plots or trace images.
        Spoon
        www.dbpoweramp.com

        Comment

        • cyphera9

          • Jul 2010
          • 8

          #5
          Re: Converting 320kbps to VBR??

          Thanks again Spoon, I'll stick to what i'm doing. I've been struggling researching into this online but you've made it very clear!

          All the best

          Comment

          • Spies

            • Aug 2006
            • 37

            #6
            Re: Converting 320kbps to VBR??

            cyphera9, you may want to check out MP3 repacker for a lossless way to save some space. Your millage may vary of course.

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