Fade-In Control for Feedback Delay Networks
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A4 Artikkeli konferenssijulkaisussa
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en
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7
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Proceedings of the 23rd International Conference on Digital Audio Effects (DAFx2020), pp. 227-233, Proceedings of the International Conference on Digital Audio Effects
Abstract
In virtual acoustics, it is common to simulate the early part of a Room Impulse Response using approaches from geometrical acous-tics and the late part using Feedback Delay Networks (FDNs). In order to transition from the early to the late part, it is useful to slowly fade-in the FDN response. We propose two methods to con-trol the fade-in, one based on double decays and the other based on modal beating. We use modal analysis to explain the two con-cepts for incorporating this fade-in behaviour entirely within the IIR structure of a multiple input multiple output FDN. We present design equations, which allow for placing the fade-in time at an arbitrary point within its derived limit.Description
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Meyer-Kahlen, N, Schlecht, S & Lokki, T 2020, Fade-In Control for Feedback Delay Networks. in Proceedings of the 23rd International Conference on Digital Audio Effects (DAFx2020). Proceedings of the International Conference on Digital Audio Effects, DAFx, pp. 227-233, International Conference on Digital Audio Effects, Vienna, Austria, 09/09/2020. < https://dafx2020.mdw.ac.at/proceedings/papers/DAFx2020_paper_47.pdf >