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MstrCents
This is a master pitch offset control for all voices. The value dialed in here will
be added to all voices. This control allows you to transpose pitch voices while
keeping the relative interval(s) between them constant.
MstrScale
This is a master pitch scaling control for all voices. The value of each pitch voice
is multiplied by this percentage. This control allows you to shrink or enlarge the
relative interval(s) between all voices.
Low Pitch
This parameter allows you to optimize the pitch shifter for the low frequency
content of the input material. Use low values when shifting single note material
with low frequencies, polyphonic sources or full bandwidth material. Note that
the lower this value, the longer the pitch shifted material is delayed. At the lowest
setting, the amount of delay is about 42ms. At the highest setting it is about
12ms.
Use this parameter to minimize the amount of delay inherent in the pitch shift
process. If the maximum delay of about 40ms is not a problem, you can simply
set this value to its lowest setting. To minimize the delay for single note pitch
shifting, set it to a value that matches the pitch of the lowest note in the input
material. If you are pitch shifting polyphonic input material you may get better
results by setting the value lower than the lowest note in the input material.
Lowest note of some typical sources:
Piano
Bass guitar
Guitar
Trombone
Tenor Sax
Vocal: bass
Vocal: baritone
Vocal: tenor
Splice
This parameter allows you to change the number of milliseconds used to
crossfade the splices that are constantly occurring whenever pitch is shifted. For
most material a value of 4ms is appropriate. Higher values will produce longer/
smoother crossfades, but the intelligibility of transients and high frequency
content may be affected. Lower values will reproduce transients more accu-
rately and have more high frequency content, but the splices may be more
audible.
GldResp
This parameter is similar to the GldResp parameter in the Master Delay
parameter of the PCM 80 delay and reverb algorithms. It sets the pitch shifters
responsiveness to modulation by internal controllers (LFO, AR, etc.) and MIDI
controllers (AfterTouch, Velocity, etc.). It has no effect on the quality of the pitch
shifted sound. At the highest setting (100) the pitch will track the modulation
source very closely. At lower settings, the pitch will lag behind the modulation
source. Use lower settings to smooth out modulation effects.
A0
E1
E2
F2
Bb2
Eb2
Ab2
Db3
The Algorithms and Parameters
Parameter
Descriptions
2-13
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