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Zero-Centered Spectra
(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
[Automatic-links disclaimer]