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Zero-Centered Spectra

\epsfig{file=eps/zpblackmanF.eps,width=5in}
(a) FFT magnitude data, as returned by the FFT.
(b) FFT magnitude spectrum ``rotated'' to a more ``physical'' frequency axis in bin numbers.


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``Review of the Discrete Fourier Transform (DFT)'', by Julius O. Smith III, (From Lecture Overheads, Music 421).
Copyright © 2020-06-27 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
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