High Performance Parallel Convolution

This software is currently no longer being developed and sold. However, users who have purchased this software can continue to use and download it.
ButterFLY is a unique audio plugin for special purposes. It can convolve up to 16 input channels with up to 25 impulses. The routing is freely configurable. This product was developed based on specific customer requirements, instead of using several instances of SIR2 you can create complex multi-channel convolution setups very easily.

Features:
  • 16 in- / 16 output-channels
  • loads up to 25 impulses. Supported file formats: WAV, AIF, FLAC
  • Preset manager
  • define volume / pre-delay / high- and low-cut for each impulse channel individually.
  • set up which input/impulse convolution should added to which output channel, with a free configurable matrix.

Butterfly Screenshot
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Copyright 2025 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.