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Preserve all Frequencies / Quality

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  • kochino
    • Jun 2024
    • 3

    Preserve all Frequencies / Quality

    I have a FLAC library and I have a 320 mp3 library. I use the 320 library to stream with plexamp while in my car.

    Question 1: 'Preserve all Frequencies'. What is the purist recommendation to do here? I feel as though checking this would be a good idea because you can do exactly what it says: preserve all the frequencies. From my understanding, the higher freq. is lost during compression. But usually things come at a cost and I am wondering if there is some sort of trade off when performing the conversion. i.e lower freq lost? or any part of the spectrum lost? not sure.

    Question 2: When converting my FLAC to mp3 for the alternative library, these are the two settings I would like to use:
    1) Quality -> slowest, high quality
    2) CHECK preserve all frequencies
    I am wondering if there is anyone that would advise anything different than what I am doing. Any clarity/advice would be appreciated, thank you!



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  • Spoon
    Administrator
    • Apr 2002
    • 44153

    #2
    mp3 drops frequencies you cannot hear and uses that freed up bitrate space to increase the quality of the overall encoding. It is likely preserving the frequencies would lead to a lower quality file.
    Spoon
    www.dbpoweramp.com

    Comment

    • kochino
      • Jun 2024
      • 3

      #3
      Originally posted by Spoon
      mp3 drops frequencies you cannot hear and uses that freed up bitrate space to increase the quality of the overall encoding. It is likely preserving the frequencies would lead to a lower quality file.
      Ok thank you so much for the clarification on that, I really appreciate it

      Comment

      • mville
        dBpoweramp Guru
        • Dec 2008
        • 4021

        #4
        I don't think you need 320 for listening in a car either... it isn't the best listening environment.

        Comment

        • GBrown
          dBpoweramp Guru
          • Oct 2009
          • 301

          #5
          Originally posted by mville
          I don't think you need 320 for listening in a car either... it isn't the best listening environment.
          Depends on the car and sound system. Some cars are built to be quieter than others. And many have systems powerful enough to overcome tyoical road noise issues.

          Higher compression rates tend to have impact on the highest and lowest frequency ranges. Car systems with extended subwoofer capability are often impacted by any compression, especially once you compress below the 256 settings for mp3.

          Comment

          • mville
            dBpoweramp Guru
            • Dec 2008
            • 4021

            #6
            Originally posted by GBrown
            Depends on the car and sound system.
            Yes, of course... it's another thing to consider.

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