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Pitch Shift Parameters
Correlation
This parameter tells the algorithm if the program material needs to be processed as dual mono
or stereo. If the program material is stereo material, this should be on in order to maintain
a stable image. If the program material is dual mono (two independent tracks), then this
parameter should be set to off.
Crossfade
As the Pitch Shift algorithm needs to create splices of the program material in order to process
it, this parameter is used to smooth out the signal between these splices. A longer crossfade
will result in a smoother splice, but sometimes at the expense of ghosting (double hits when
shifting up and missing hits when shifting down). Start with shorter crossfades and then raise the
value until an acceptable compromise is reached.
Low Shift FC
This parameter affects the lowest frequency at which the shifter looks for good splices. The
shifter will shift all frequencies, but the quality of shift is sensitive to the mix of frequencies. If
there are strong low frequencies in the mix, this value should be low. If the bulk of energy is at
higher frequencies, then it should be raised.
Shift Percent
Displayed when “Percent” is selected as the Shift Type. This parameter adjusts the pitch as a
percentage.
Shift Type
This parameter is found only in the Pitch Shift algorithm This parameter allows you to select
whether you want to adjust the pitch using Semitone and Cent controls (Musical) or by a
percentage (Percent).
Smart Shift
This parameter affects the quality of pitch shifting. When turned on, the algorithm looks for
optimal splices in the musical material. In almost all cases, this should be on. If attempting to
recreate the sound of certain inexpensive shifters from the 1980s, then this parameter should
be turned off.
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