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This example is practical in research applications. With powerful
computers and large disks, why not set the FFT hop size to
and
avoid all aliasing entirely? In the early days of computer music,
this was the normal choice in phase-vocoder analysis for additive
synthesis (§G.10), and it is of course far more affordable
now. For aggressive spectral modifications, the sliding FFT (
)
generally yields the best quality results. Additionally, the signal
analyzed can be oversampled so that the frequency domain has a large
extended area where nonlinear distortion products can ``land'' without
aliasing. As an example, ``tube distortion'' simulators routinely
utilize
or even
oversampling in the input signal
prior to distortion [301].
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