Digital Waveguide Reverberators

It was shown in §2.6.7 that FDNs can be formulated as special cases of Digital Waveguide Networks (DWN) (see Appendix G for a fuller development of DWNs). Specifically, an FDN is obtained from a DWN consisting of a single scattering junction (§G.13). It follows that the DWN paradigm provides a more generalized framework in which to pursue further improvements of reverberation architecture. For example, when multiple FDNs are embedded within a single DWN, it becomes possible to richly cross-couple them in an energy-controlled manner in order to create richer recursive structures than either alone. General DWNs were proposed for artificial reverberation in [406,409].