"Digital Delay Networks for Designing Artificial Reverberators." Audio Engineering Society Convention 90.

Use Noise Removal ( Effect > Noise Removal ) before applying Gverb, or the reverb will enhance the background noise.

GVerb is not pretty, but it is powerful. While modern Audacity users might be tempted to buy expensive VST reverb plugins, GVerb remains a testament to open-source audio engineering. For large, natural, non-warbling stereo reverb, it holds its own against paid alternatives.

), which includes helpful factory presets like "Small Room" or "Vocal I".