Install Instructions

Public Beta

Version History


  • improved auto load impulse-set feature with "L.L/L.R/R.L/R.R" file name endings
  • fixed a problem where under certain circumstances (when no factory library was installed) the wrong relative file location of the impulse response file was saved. This could lead to the impulse not being found on another machine.
  • fixed image loading in special circumstances


  • fixed a problem in SIR3, after resetting the EQ using the right-click pop-up menu, frequencies could be calculated incorrectly
  • the file and VST version numbers now match the official version number


  • improvements to the installer


  • quick fix for issues related to Pro Tools 2023.3


  • small fix of the gui layout
  • more suitable automatically configured convolution-routing for mono impulses


  • larger file browser
  • File browser can be resized by dragging the bar on the left.
  • If an IR file does not have an image, SIR3 automatically searches in the same directory for a JPG or PNG file with the same filename but with "jpg" or "png" as an extension (test.wav => test.jpg). If no file with the same name is found, the first "jpg" or "png" listed in the directory is used as the image.
  • "SIR factory impulses" and "SIR user impulses" list items moved to the top of the IR browser menu.
  • EQ dB display range is now adjustable via right-click popup menu (new default is -24 .. +24dB)


  • improved compatibility with Pro-Tools on Apple Silicon


  • improved stability


  • improved stability


  • performance optimizations


  • better compatibility with certain platforms


  • NEW: use drag and drop to move audio files into SIR3 and use them as impulse response
  • maximum import length is 60 seconds. Longer impulses are shortened
  • fixed scaling issues in Cubase with VST3 plugin GUIs on Windows (high-dpi)
  • optimizations for Apple M1


  • improved license key handling, if the whole system was restored by a backup from another computer


  • better compatibility with certain platforms


  • fixed graphics issues on certain platforms
  • improved compatibility for certain DAWs


  • new option to set the default panel-layout
  • improved installer


  • improved installer


  • stability improvements
  • added arm64 support for mac


  • retina performance optimization (mac)
  • fixed vst3 plugin window display issues under certain hosts (windows)


  • possibility to turn off the analyzer
  • internal optimization
  • improved compatibility with future OS Versions


  • initial release
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Copyright 2020 SIR Audio Tools Christian Knufinke. VST is a trademark Copyright of Steinberg Media Technologies GmbH. All other trademarks and copyrights are the property of their respective owners.