Reaktor Synth Tutorial

Part 2

In this part of the synth tutorial we will add an envelope controled filter.

1. Open part 1 of this tutorial

2. Create a' New Macro' and call it 'filter', connect it between the 'Oscilator Output 'and the 'Instrument Outputs'

Macro > _NEW - 1in1out

3. Open up the new macro and Create an 'AD Envelope' with a 'Gate', a 'Constant', controls for (red) 'A' and 'D' and connect them the same as in the first part of the tutorial.

Built-in Module > Math > Multiply Built-in Module > Math > Add Built-in Module > Auxilary > A to E Built-in Module > Filter > Multi 2-Pole Built-in Module > Math > Constant Built-in Module > Math > Constant

4. Create a 'Multi 2-Pole Filter' and create a control for the 'Res' input

5. Connect the 'Macro's' Input and Output terminals to the 'Filter's' Input and Output

6. We now have to deal with maths. The output value of the envelope is between 0 and 1. The 'P' input of the filter has a range of 20 to 120.

Create 2 'Constants' with values of 140 and 20

Create a 'Multiply' and an 'Add'

Create an 'A/E'

7. Now connect them all together (look at the picture)

Connect the Output of the Envelope and the Constant of 140 to the Multiply

Connect the Output of the Multiply and the Constant of 20 to the Add

Connect the Output of the Add to the A/E

Connect the Output of the A/E to the 'P' input of the Filter

8. Save your work!

You can now play the synth using a midi device or your computers keyboard and enjoy its lovely new filter.

Experiment with different filters.

In the next tutorial i will show you how to make a virtual musician.

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