Christian Knufinke Software has announced the release of SIR2, an easy-to-use audio-plugin that provides high-quality reverberation - the commercial successor to the freeware SIR1.

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

Features:

• 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.

SIR2 costs €149and is available as a VST effect plug-in for Windows. A demo version is available. Also available, priced at €129, is the Pinguin HDIR Extra Package, featuring 12 additional high-quality impulse responses for SIR2. To use HDIR Extra Package an installed and licensed SIR2 instance is required. They can be purchased together for €239.