The Pitch Parameters; Mstrcents; Mstrscale; Low Pitch - Lexicon PCM 81 - REV User Manual

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 delay and reverb algorithms. It sets the pitch shifters respon-
siveness to modulation by internal controllers (LFO, AR, etc.) and MIDI control-
lers (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 Their Parameters

The Pitch Parameters

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