Propellerhead Reason - 4.0 Manual de operaciones descargar pdf (Pagina 363)

THE EFFECT DEVICES

361

Spider CV Merger & Splitter

The Spider CV Merger & Splitter is not an effect device, but a utility. It has two basic

functions:

D To provide one merged CV output from up to four CV input sources.

D To split CV or Gate inputs into several outputs.

Two inputs, A and B, are provided, each with four outputs, where one of the out-

puts will invert the polarity of the control signal. One reason for having two spl-

itable inputs is to make it possible to split Gate and Note CV, to control several

instrument devices with one Matrix for example.

There are no controls on the front panel of this device, only CV signal indicators. The

four horizontal indicators light up to indicate signals connected to the corresponding

merge input. The two indicators to the right indicate signals connected to the corre-

sponding split inputs.

Merging CV

On the back panel of the Spider there are several CV connectors. The left half of the

panel contains four CV/Gate input connectors with associated trimpots, and to the

right of these, one merged CV output.

D The merged CV output will produce a CV signal that represents the

“sum” of all connected CV inputs.

A few things to note:

• Gate CV signals typically trigger notes or envelope cycles and are normally routed

to a Gate input.

• CV signals typically control note pitch or for modulating parameters and are typi-

cally routed to CV Note or Modulation inputs.

There are no strict rules involved, but the facts mentioned above means that it is gen-

erally better to stick to using either Gate CV signals or CV signals but not a mixture

when merging. simply because the CV/Gate signals usually go to different input des-

tinations.

For instance, merging Note CV and Gate CV from a Matrix does not make much

sense if you want to use Matrix to play melodic patterns via the Sequencer Control in-

puts of an instrument device. There would only be one merged output whereas the in-

strument device would need a separate Gate and Note CV signal to work properly.

Practical uses of merging CV

The practical applications of merging CV are perhaps less obvious compared to split-

ting CV. But there are numerous applications for a merged CV control output, a few of

which are listed below:

D You can create interesting modulation effects by merging several Modu-

lation outputs from LFO’s and other CV modulation sources.

For example, merging the Modulation outputs from several LFO’s would produce a

“mixed modulation” output. This merged output signal could be likened to a “super

LFO” capable of generating several modulation cycles simultaneously, each with a

different waveform and modulation rate! In addition to this, by using the trim con-

trol for each CV input, you have full control over the amount of modulation applied

by each LFO.

The above example could of course also include Curve CV outputs from a Matrix

or Mod Outs from Malström etc., in short any CV Modulation output.

D Use the ECF-42 Filter to apply envelope controlled filter effects.

This can create the sound of “synthesized” percussion, and other interesting ef-

fects.

This is done using the following method:

1. Connect the audio outputs of a Redrum to a ECF-42 Envelope controlled fil-

ter.

2. Connect the Gate outputs from up to 4 Redrum drum channels to the merge

inputs of a Spider CV.

3. Route the merged output to the Env Gate input on the ECF-42.

If you add a touch of velocity the connected Gate signals will trigger the ECF-42

filter envelope. Again, the trim pots on the Spider allows you to adjust the amount

of filter envelope applied.

D Create an “arpeggiator” using two Matrix devices and the Spider CV

Merger & Splitter.

By merging the Note CV output from one Matrix with a Curve CV output of another

Matrix, you can transpose the Matrix pattern in real-time, a bit like an arpeggiator.

1. Create a Subtractor and a Matrix device.

Connect the Matrix Note and Gate CV outputs to the Subtractor Sequencer CV

and Gate inputs, respectively.

2. Program a pattern for the Matrix.

In the following text this is referred to as “Matrix 1”

Four CV inputs with trim

controls.

The merged CV

output.

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