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    Reverb DSP and Allpass Filters

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    • ?
      A Former User
      last edited by

      Can anyone suggest some good reading material (not too maths heavy) that explains the relationship between algorithmic reverb and allpass filters?

      I'm working on a simple reverb in scriptnode using modulated delay lines and getting the classic "robotic" sound with low early repetitions which is apparently solved by using Allpass filters sequentially before the delay line, but I have no clue how to set that up in scriptnode or what settings to use for the filters...

      In fact I don't even know what an allpass filter is for, to me that just sounds like a filter that does nothing 😂

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      • ?
        A Former User
        last edited by

        Okay this video helped explain allpass filters :) no idea how this would supposedly increase early repetitions but that's what testing is for i suppose

        C 1 Reply Last reply Reply Quote 1
        • C
          crd @A Former User
          last edited by

          @iamlamprey

          You might find some of the info in the blog on the Valhalla dsp website interesting.

          Link Preview Image
          Getting Started With Reverb Design, Part 2: The Best Papers - Valhalla DSP

          Best Academic Papers on Digital Reverb Digital reverberation algorithms are a relatively young technology. The first published works in this field date to

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          Valhalla DSP (valhalladsp.com)

          Tips from the best …

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          • ?
            A Former User @crd
            last edited by

            @crd Thank you!

            nouslouN 1 Reply Last reply Reply Quote 0
            • nouslouN
              nouslou @A Former User
              last edited by

              @iamlamprey Hello! Did you managed to built a simple reverb with allpass filters in scriptnode? Trying to do it myself too, but can't figured up how those allpass in scriptnode should I use. Was trying to make a reverb in Bitwig Grid with the help of allpass filters there - worked pretty good

              KimiAK ? 2 Replies Last reply Reply Quote 0
              • KimiAK
                KimiA @nouslou
                last edited by KimiA

                @nouslou I believe the all passes in bitwig work a bit differently. I watched a video yesterday on the subject: https://www.youtube.com/watch?v=yKuHMdX6_7s. And I attempted to remake it in script node, but it didn't sound like I expected it too. (Reverb is at around 7 minutes)

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                • ?
                  A Former User @nouslou
                  last edited by

                  @nouslou unfortunately I have the attention span of a goldfish so I don't think I got very far before switching projects 😂

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                  • Dan KorneffD
                    Dan Korneff
                    last edited by

                    Just a moment...

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                    (www.patreon.com)

                    Dan Korneff - Producer / Mixer / Audio Nerd

                    KimiAK 1 Reply Last reply Reply Quote 4
                    • KimiAK
                      KimiA @Dan Korneff
                      last edited by

                      @Dan-Korneff Thank you so much! this is amazing.

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