Propellerhead Reason - 4.0 Manual de operaciones descargar pdf (Pagina 302)

MATRIX PATTERN SEQUENCER

300

Using Curve Patterns

Curve patterns are independent patterns that can be applied separately to the note

pattern programmed in “Keys” mode. If you switch the Keys/Curve switch to “Curve”,

the note, but not the gate steps, disappear from view, and leaves the upper area of the

pattern window empty. You can now start programming a curve pattern. Proceed as

follows:

1. Draw a curve, using the same method as for notes or gates.

As you can see, the Curve pattern looks like large vertical gate steps.

D If you play the pattern, nothing has changed, i.e. the pattern sounds ex-

actly like it did before the Curve pattern was drawn.

This is because the Curve CV output hasn’t been connected to any parameter yet.

2. Flip the rack around so you can see the back panel of the Matrix.

3. Connect the Curve CV output to the Filter Cutoff Modulation Input on the

Subtractor.

Now the curve pattern controls the filter frequency of the Subtractor.

✪ If the effect isn’t very noticeable, try raising the filter Q parameter, and

lowering the filter frequency.

D The Curve CV output can be connected to any device CV or Modulation

input.

Actually, Curve CV signals can also produce Gate triggers (used for triggering

samples or envelopes for example).

D A Gate trigger is produced for each curve pattern step that follows a

value of “0”.

If you look at the picture below, steps 2,4 and 6 will produce a trigger, because

steps 1, 3 and 5 are set to zero, but the rest of the pattern would not.

About Unipolar and Bipolar Curves

On the back panel of the Matrix you will find a switch, allowing you to select between

“Unipolar” or “Bipolar” Curves. The difference is as follows:

D A unipolar curve has values starting from “0” and up.

“0” is the value produced by all steps when they are “empty” (not visible). Unipolar

is the default setting of this switch when a new Matrix is created.

Unipolar curve.

D A bipolar curve is divided in the “middle”, with the middle representing a

value of “0”.

The curve reflects this. If no curve has been drawn and you switch to bipolar

mode, all steps go from the bottom up to the middle of the scale printed to the left

of the pattern window. Thus, all steps are at “0”, and the curve can be drawn both

up and down from the middle.

Bipolar curve.

Bipolar curves are essential in some instances. If you want to use the Matrix to CV

control the Pan parameter for a mixer channel for example, a unipolar curve would

start at zero - which for Pan equals center position. This means that you would only be

able to use the curve to pan in one direction from this center position. A bipolar curve

however, will have the zero value in the middle, allowing you to draw pan curves in

both directions. Bipolar curves can also be used for controlling parameters with posi-

tive and negative values.

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Propellerhead Reason - 4.0 Manual de operaciones Pagina 302

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