FDN Reverberation

FDN Reverberation

Feedback Delay Networks (FDN) were introduced earlier in §1.7. An example is shown in Fig. 1.23 on page . After a brief historical summary, this section will cover some practical considerations for the use of FDNs as reverberators.

Subsections

History of FDNs for Artificial Reverberation
Choice of Lossless Feedback Matrix
Choice of Delay Lengths
- Mean Free Path
- Mode Density Requirement
Achieving Desired Reverberation Times
Delay-Filter Design
- First-Order Delay-Filter Design
Tonal Correction Filter
FDNs as Digital Waveguide Networks
Further Extensions

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``Physical Audio Signal Processing for Virtual Musical Instruments and Digital Audio Effects'', by Julius O. Smith III, (December 2005 Edition).
Copyright © 2006-07-01 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA), Stanford University
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