GFDNs connect multiple spaces with different reverberation times that exhibit multi-stage, anisotropic decay. A parameterized mixing matrix is used to control inter- and intra-group coupling in the GFDN. In this plugin, 2 coupled rooms are implemented with the GFDN. For more details, see
- Delay Network Architectures for Room and Coupled Space Modeling - Das et al. in Proc. of International Conference on Digital Audio Effects, DAFx 2020.
- Grouped Feedback Delay Networks for Modeling of Coupled Spaces - Das and Abel, Journal of the Audio Engineering Society, JAES 2021.
- Grouped Feedback Delay Networks with Frequency Dependent Coupling - Das, Schlecht, and De Sena, IEEE/ACM Transactions on Audio, Speech and Language Processing, IEEE TASLP 2023.
