THE PITCH PARAMETERS
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 A0 • Tenor Sax Bb2
• Bass guitar E1 • Vocal: bass Eb2
• Guitar E2 • Vocal: baritone Ab2
• Trombone F2 • Vocal: tenor Db3
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 accurately 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 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.
3-44
Algorithms and Parameters
Lexicon
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