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    Cubase Direct Offline Processing audio dropouts on FX plugins

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    • DanHD
      DanH @d.healey
      last edited by DanH

      @d-healey Would be good to know all the things IPP is used for - I've got it down as Convolution Reverb and the Audio Analysers

      DHPlugins / DC Breaks | Artist / Producer / DJ / Developer
      https://dhplugins.com/ | https://dcbreaks.com/
      London, UK

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      • T
        tomekslesicki
        last edited by

        It’s convolution, a filter, curve EQ (with no visuals) and simple gain. That’s pretty much it.

        d.healeyD 1 Reply Last reply Reply Quote 0
        • d.healeyD
          d.healey @tomekslesicki
          last edited by

          @tomekslesicki Have you tested disabling the convolution, leaving everything else enabled, and seeing if you get the same result?

          Libre Wave - Freedom respecting instruments and effects
          My Patreon - HISE tutorials
          YouTube Channel - Public HISE tutorials

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          • T
            tomekslesicki @d.healey
            last edited by

            @d-healey I’ll give it a shot!

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            • T
              tomekslesicki
              last edited by

              @d-healey I can confirm that it’s only the convolution that’s causing this.

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              • T
                tomekslesicki
                last edited by tomekslesicki

                The problem is still there with IPP and Multithread but here’s some interesting new info:

                The plugin has a dry / wet knob, which balances to signal router chains - one dry, obviously, and the other one... ;-)

                So, with signal all wet, the problem is there.

                With signal all dry, no issue, but also no convolution.

                But the funny thing is, if I'll wiggle the dry / wet slider before rendering with the Direct Offline Processing, the problem is gone.

                It appears again once the impulse is changed, but wiggling the dry / wet again solves it once more.

                Dan KorneffD 1 Reply Last reply Reply Quote 0
                • Dan KorneffD
                  Dan Korneff @tomekslesicki
                  last edited by

                  @tomekslesicki said in Cubase Direct Offline Processing audio dropouts on FX plugins:

                  but wiggling the dry / wet again solves it once more.

                  Interesting find

                  Dan Korneff - Producer / Mixer / Audio Nerd

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                  • T
                    tomekslesicki
                    last edited by

                    This post is deleted!
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                    • T
                      tomekslesicki
                      last edited by

                      Ok, another interesting find: it’s not about actually changing the value of the HISE modules (dry / wet on the Convolution or gain on Simple Gain modules), it’s about Cubase needing the slider assigned to them moved on the interface for the Direct Offline Processing to work...

                      I’ll program a value change to the dry / wet slider as the impulse is changed and see what will happen, but since the impulses are mapped to a slider that can be adjusted rather quickly, it’s hard for me to implement a walkaround to this issue which would actually remember the dry / wet slider’s value in a reliable way. Not sure if it’s even worth the trouble as I don’t know what’s causing this issue in the HISE backend.

                      @d-healey @Christoph-Hart I’d really appreciate your support on this.

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                      • T
                        tomekslesicki
                        last edited by

                        Another update: programming a change to the slider doesn’t work. It needs to be moved on the interface for direct offline processing to work.

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                        • T
                          tomekslesicki
                          last edited by

                          ...yet still: no convolution, no problem. Strange?

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                          • T
                            tomekslesicki
                            last edited by

                            A friendly bump :-)

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                            • d.healeyD
                              d.healey
                              last edited by

                              Have you made a bug report - https://forum.hise.audio/topic/4260/the-definitive-feature-request-bug-fix-roadmap ?

                              Libre Wave - Freedom respecting instruments and effects
                              My Patreon - HISE tutorials
                              YouTube Channel - Public HISE tutorials

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                              • T
                                tomekslesicki
                                last edited by

                                Yup, just under your first post there. It’s 4th or 5th reply I think.

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                                • T
                                  tomekslesicki
                                  last edited by

                                  @Christoph-Hart could you please fix this? :-)

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                                  • T
                                    tomekslesicki
                                    last edited by

                                    Hey @Christoph-Hart was this by any chance fixed in one of the recent commits?

                                    LindonL Christoph HartC 2 Replies Last reply Reply Quote 0
                                    • LindonL
                                      Lindon @tomekslesicki
                                      last edited by

                                      @tomekslesicki said in Cubase Direct Offline Processing audio dropouts on FX plugins:

                                      Hey @Christoph-Hart was this by any chance fixed in one of the recent commits?

                                      look in the bug list post - you will see when it is fixed... its not currently fixed.

                                      HISE Development for hire.
                                      www.channelrobot.com

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                                      • Christoph HartC
                                        Christoph Hart @tomekslesicki
                                        last edited by

                                        @tomekslesicki Unfortunately, no. I'm planning a rather big redesign of the convolution algorithm, but it's a little bit down the roadmap (JUCE 6 now has a FFT wrapper for the IPP so maybe I will replace my own wrapper with this one).

                                        However I have made a few changes to the convolution reverb a few weeks ago which I think are not part of the master branch, so if you feel lucky you might try to compile your plugin with the develop branch and see if this is fixed.

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                                        • T
                                          tomekslesicki @Christoph Hart
                                          last edited by

                                          @Christoph-Hart any updates, please? It’s a serious issue and it appears in PT too as suggested earlier.

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                                          • T
                                            tomekslesicki
                                            last edited by

                                            And to recap: when using Cubase Direct Audio Processing, there are dropouts in audio unless the wet level is changed via the interface before using DAP.

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