DigiTech VOCALIST LIVE 4 Owner's Manual page 23

Key pc x
Window
PC Window
Rate
PC rate
Amount
Pc amount
Selects the key or root of the scale. For example, if the Type
is set to MAJOR, and Key is set to PC C, the notes that will be
corrected to are C, D, E, F, G, A, and B.
Note: This parameter is ignored when the scale type is set to
PC CHROM.
The window parameter controls the window or extent
around each note that pitch correction will be applied. If the
window is small, then your pitch will only be altered if your
input pitch is close to the note already. If the window is large,
then pitch correction will be applied even if your input pitch is
far from the note. Range: -99
The pitch correction rate controls how aggressively your pitch
is corrected. If the rate is low, then all of your rapid pitch
variations (e.g. vibrato, scoops etc) will be left untouched, and
only long sustained notes will be corrected. If the rate is high,
then all of your pitch variations will be removed resulting in a
very flat robotic sounding voice.
Range: -99
The amount parameter scales the amount of pitch correction
applied to the input voice. The range is 0 to 99. When set
to 99, the full pitch correction amount is applied, but as
the amount control is turned down, the amount of pitch
correction is reduced in proportion to how close you are
to the target note. So, larger deviations are corrected more
than smaller deviations, and small intentional pitch deviations
are preserved. This is probably best understood through the
following examples:
With the amount set to 99, a 0 cent flat input will be
corrected by 0 cents and a 50 cent flat input will be
corrected by 50 cents.
With the amount set to 80, a 0 cent flat input will be
corrected by approximately 5 cents and a 50 cent flat input
will be corrected by approximately 40 cents.
With the amount set to 0, a 0 cent flat input will not be
corrected and a 50 cent flat input will be corrected by
approximately 0 cents.
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