Chorus Amount; Tips For Using Chorus; Glide Rate & Curve - E-Mu ProteusX Operation Manual

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Chorus Amount

Chorus "thickens" the sound by doubling the sound in stereo and
then detuning it. Chorus uses twice as many voices and twice as
much of your CPU power when the Amount is set above zero.
Amount
Stereo Width
Inter-Aural Time
Delay (ITD)
Chorus amount and ITD can be modulated in the Cords section, although ITD can only
be changed at the time of the key depression. When Chorus is on, a mono voice will use
twice as many channels.
"Off" is different than "0" for chorus amount. With mono samples, chorus On effec-
tively turns a mono sample into a stereo sample with detuned L & R sides, with Chorus
Amount being the detune amount. With chorus Off, no amount of modulation will
turn the chorus on. With chorus On, modulation can drive the chorus (detune) amount
to a minimum of 0, but not Off.

Tips for Using Chorus

Set chorus amount to 1% and use chorus width as a pan control which does not span the
entire L/R spread.
Set the chorus width to 0% and adjust the ITD to create a through-zero flange effect.
With 100% width, a panning-chorus effect is obtained.
To avoid L/R pitch drift, use "~" type of modulation in the cords selection box.
Modulate the ITD to create "Hass-Effect" panning, (i.e. apparent location shift using slight
delays in the L-R channels.)
For a detuned analog oscillator sound, set stereo width to 100%. Route a free running LFO
(~) to chorus position with amount set to about 25%.
Glide Rate & Curve
E-MU Systems
The amount of detuning and is variable from
Off to 100%.
Controls the stereo spread. 0% reduces the
chorus to mono and 100% gives the most
stereo separation.
Adjusts the delay of the left and right sounds.
Positive values start the right channel early
and the left late.
Glide is a smooth gliding between notes instead
of the normal instantaneous change in pitch
when a new key is pressed. The glide rate deter-
mines the time it takes to glide to the new pitch.
The larger the value, the slower the glide rate. The
rate is adjustable from 0 to 32.738 seconds. Zero
seconds equals Off. A glide curve setting of 0
equals linear. Higher values make the curve more
exponential. Glide is polyphonic, but can be
monophonic when in Solo mode.
6 - Voice Editor / Synthesizer Level
Oscillator
79

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