
THE EFFECT DEVICES
342
About the envelope follower
The Body section features an envelope follower for dynamic control of the Scale pa-
rameter. The envelope follower analyzes the amplitude of the incoming signal and
changes the Scale setting accordingly - the louder the incoming signal the higher the
value of the Scale parameter. The operating frequency (or size) range is set with the
Scale parameter, and the envelope follower amount is set with the Auto parameter. A
typical use for this is auto-wah effects - try Body Type “B” for a pronounced wah ef-
fect.
• On the back of the Scream 4 you will find an Auto CV output - this delivers the CV
signal from the envelope follower, allowing you to dynamically control parameters
in other devices. See page 344 for an example.
About the Master level control
The Master level control should be used when you need to increase or decrease the
output level, while retaining the basic character of the effect. It can also be used to
balance the level between the distorted sound and the “clean” (unprocessed) sound
if the effect is to be switched in and out in the mix.
If the output level is too high, turning down the Damage Control setting would lower
the output, but it would also change the character of the distortion, as would chang-
ing eq or presence settings.
Simply lowering the mixer channel level (for the channel that Scream 4 is connected
to) would also work of course, but this would also mean that the level difference be-
tween the unprocessed and processed sound would increase.
So if the clip indicator lights up on the Transport, or if the distorted sound is too loud
compared to the normal sound, the solution is to lower the Master output level.
As pointed out elsewhere in the manual, audio out clipping (indicated by the red clip
indicator lighting up on the Transport panel) can only happen in the Reason Hardware
Interface. In other words, you never have to worry about levels passed internally from
device to device. However, bear in mind that if you use high Master output settings (or
a lot of boost in the Cut section) Scream 4 can quite easily cause audio out clipping -
and that is most likely not a distortion effect you want!
CV inputs and outputs
On the back of the Scream 4 you will find CV inputs for controlling the following four
parameters:
D Damage Control
Use this for dynamically changing the amount of damage effect.
D P1
The use for this depends on the selected Damage Type. For example, if the Feed-
back effect is selected, this will control the Size parameter - connect it to the CV
Out on a Matrix or synth LFO for strange, flanger-like sweeps.
D P2
The use for this depends on the selected Damage Type. For example, if the
Scream effect is selected, this will control the Frequency parameter, producing a
distorted wah wah sound.
D Scale
Lets you control the Scale parameter in the Body section from another CV source,
for wah wah-like effects, etc.
In addition, you find a CV output from the “Auto” (envelope follower) function in the
Body section. By connecting this to a CV input for a parameter in another device, the
level of the signal going into the Scream 4 will affect that parameter. See below for an
example on how to use this.
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