User Manual

SCREAM 4 SOUND DESTRUCTION UNIT
811
The Body parameters are as follows:
About the envelope follower
The Body section features an envelope follower for dynamic control of the Scale parameter. 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 pa-
rameter, 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 effect.
• On the back of the Scream 4 you will find an Auto CV output - this delivers the CV signal from the envelope fol-
lower, allowing you to dynamically control parameters in other devices. See “Creating a real dynamic wah ef-
fect with the envelope follower” 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 changing 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 between 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 Record 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 dis-
tortion effect you want!
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Parameter
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Description
Body button This switches the Body section on or off.
Body Type knob This is used to select one of the five available Body types (A-E).
Body Reso knob This simulates the resonance of the selected Body. Turning the knob clockwise gives a more
resonant effect.
Body Scale The Body Scale parameter could be said to control the “size” of the Body. Note that this is “in-
verted” - turning the knob clockwise reduces the emulated size.
Auto knob Determines the amount of envelope follower effect on the Scale parameter - see below.