Abstract
The feedforward comb filter can simulate an echo and is one of the basic building blocks used in digital audio effects. It is a special case of the Finite Impulse Response (FIR) filter, which has the general form
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References
J.O. Smith, Physical Audio Signal Processing for virtual musical instruments and digital audio effects, in Center for Computer Research in Music and Acoustics (CCRMA) (Stanford University, Stanford, 2010). Online book at http://ccrma.stanford.edu/jos/pasp/
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Snider, R. (2023). Example 2 Feedforward Comb Filter System. In: Advanced Digital System Design using SoC FPGAs. Springer, Cham. https://doi.org/10.1007/978-3-031-15416-4_14
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DOI: https://doi.org/10.1007/978-3-031-15416-4_14
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