SIR2 v2.4.011
by Christian Knufinke Software
(Christian Knufinke Software Website)

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Operating System:
File Size: 51.4 MB
License Conditions:

The demo limitation is a periodic bell sound which will start every 10 seconds. The Impulse Response "Theatre" is disabled in demo mode. Registration: EUR 149.00

System Requirements:

VST/AU host application.

Last Updated: 2012-07-16
For more detail about software : Software Description
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Software Description

SIR2 is an easy-to-use audio-plugin that provides high-quality reverberation. It offers zero-latency processing with low CPU-consumption and non-destructive audio processing of impulse responses. SIR2 includes high definition impulse responses (HDIR) of *real* places produced by Pinguin, Hamburg. You can also import impulse responses from free or commercial sources.

Click to see the SIR2 Manual


  • Zero latency processing.
  • Includes Pinguin's High Definition Impulse Responses.
  • "True Stereo" processing (a stereo convolution takes place for every source channel (left + right)).
  • High-quality internal sample rate converting.
  • Separate dry/wet control (-60db .. +20dB).
  • Auto-gain.
  • Free non-destructive amplitude envelope.
  • Free non-destructive filter envelope.
  • Predelay (0ms - 2000ms).
  • Stretch control (high quality resampling).
  • Forward / reverse switch.
  • Stereo In / Stereo IR Control.
  • Preset-managing.
  • Linear phase FFT-EQ.
  • Signal routing options.
  • HDIR-Direct On/Off switch.
  • Imports WAV, AIF, FLAC, BWS, OGG file formats.

New in v2.4.011

  • Now a 32bit/64bit Universal Binary
  • Mac OS 10.5 (or newer) and intel-processor is now required
  • the setup installs the plugin-binaries into "/Users/UserName/Library/Audio/Plug-Ins" instead "/Library/Audio/Plug-Ins"

New in v2.4.010

  • Improved stability
  • Compatibility issue fixed

New in v2.4.007

  • Decreased memory consumption.
  • Improved performance when merging two big files into a true stereo file.
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