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How do I trim all leading and trailing silence from tracks

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  • csiron

    • Feb 2007
    • 33

    How do I trim all leading and trailing silence from tracks

    Variations of this question have been asked before, but I don't believe I've seen a thread followed all the way through to its conclusion so that others can apply the information.

    Basically, I want to trim all leading and trailing zero data, as I would if I were using mp3trimpro.

    Will this strategy accomplish that goal -- without negative effects:

    Using the dBpoweramp DSP, I select Silence below any 0 db (100%)

    Detection thresold 26 ms.

    My hypothesis is that this will trim only completely blank space, leaving only one frame as a safety buffer.

    Spoon, will that work -- or am I cutting more or less than I imagine?

    Thank you.
  • Spoon
    Administrator
    • Apr 2002
    • 44509

    #2
    Re: How do I trim all leading and trailing silence from tracks

    0 dB (100%) would trim even the loudest volume, consider the % as % of maximum volume, so setting to 2% would trim anything with a volume below 2% of maximum
    Spoon
    www.dbpoweramp.com

    Comment

    • csiron

      • Feb 2007
      • 33

      #3
      Re: How do I trim all leading and trailing silence from tracks

      Oh, of course, so to trim complete silence, I'd put the zero in the percent blank?

      Does 26 ms -- which I believe is equivalent to one mp3 fame -- seem like a workable buffer?

      Or does 27 ms make more sense if I want to ensure that I leave a frame behind as a cushion?
      Last edited by csiron; November 07, 2007, 09:07 AM.

      Comment

      • Spoon
        Administrator
        • Apr 2002
        • 44509

        #4
        Re: How do I trim all leading and trailing silence from tracks

        If you have the buffer too small, it could end early (if there is a blip of static noise).
        Spoon
        www.dbpoweramp.com

        Comment

        • csiron

          • Feb 2007
          • 33

          #5
          Re: How do I trim all leading and trailing silence from tracks

          Do you have a recommendation, or should I take the default (50 ms) as that recommendation?

          Obviously, even a quarter- or a half-second is pretty insignificant, but I'd like to use a number that makes sense, and I don't know whether that number is 50, 500 or even more!

          I appreciate your expert advice.

          Comment

          • Spoon
            Administrator
            • Apr 2002
            • 44509

            #6
            Re: How do I trim all leading and trailing silence from tracks

            50ms is a good starting point.
            Spoon
            www.dbpoweramp.com

            Comment

            • csiron

              • Feb 2007
              • 33

              #7
              Re: How do I trim all leading and trailing silence from tracks

              Thank you. We'll see how this goes.

              Comment

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