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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.
Original language | English |
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Title of host publication | Proceedings of the 23rd International Conference on Digital Audio Effects (DAFx2020) |
Pages | 227-233 |
Number of pages | 7 |
Publication status | Published - Sep 2020 |
MoE publication type | A4 Article in a conference publication |
Event | International Conference on Digital Audio Effects - Virtual (Initially Vienna), Vienna, Austria Duration: 9 Sep 2020 → 11 Sep 2020 Conference number: 23 https://dafx2020.mdw.ac.at/eDAFx2020/index.html https://dafx2020.mdw.ac.at/ |
Publication series
Name | Proceedings of the International Conference on Digital Audio Effects |
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ISSN (Print) | 2413-6700 |
ISSN (Electronic) | 2413-6689 |
Conference
Conference | International Conference on Digital Audio Effects |
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Abbreviated title | DAFx |
Country | Austria |
City | Vienna |
Period | 09/09/2020 → 11/09/2020 |
Internet address |
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Projects
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Equipment
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Aalto Acoustics Lab
Ville Pulkki (Manager)
School of Electrical EngineeringFacility/equipment: Facility