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Inverse FFT Synthesis

As mentioned in the introduction to additive synthesis above (§G.8), typical systems originally used an explicit sum of sinusoidal oscillators [166,186,232,271]. For large numbers of sinusoidal components, it is more efficient to use the inverse FFT [239,143,142,139]. See §G.8.1 for further discussion.


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``Spectral Audio Signal Processing'', by Julius O. Smith III, W3K Publishing, 2011, ISBN 978-0-9745607-3-1.
Copyright © 2016-07-18 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
CCRMA