Repository

https://github.com/ValleyAudio/ValleyRackFree

Learn how to use Valley's Dexter module for VCV Rack.

What Will I Learn?

• You will learn the function of Valley's Dexter module
• You will get an introduction to Frequency Modulation and Phase Modulation synthesis
• You will learn how to manipulate the basic functions of the four operators
• You will learn how each operator can affect other operators
• You will learn the function of the Algorithm

Lesson Files and Resources

• Dexter Manual
• Background on Algorithms
• Download Rack and many modules here - https://vcvrack.com/
• Download my Dexter setup from this tutorial - https://github.com/buckydurddle/Valley-Modules

Requirements

To complete this tutorial learners will need to have the following:

• VCV Rack installed on a Mac, Windows or Linux computer
• Valley's module pack installed

Difficulty

This tutorial is at an advanced level.

Description

Learn the function of Valley's Dexter module

Dexter is a VCO, a very interesting and dynamic VCO. Dexter permits Frequency Modulation and Phase Modulation synthesis. This sort of synthesis was made popular in the 1980's with keyboards such as the Yamaha DX7. The DX7 gave us great sounds but programming was notoriously difficult due to the poor interface.

Dexter gives us an easy-to-use interface with allows all sorts of synthesis possibilities.

Get an introduction to Frequency Modulation and Phase Modulation synthesis

Dexter allows FM and PM synthesis. As you will see with the Algorithm, the four operators can be positioned to modulate each other in various configurations. Operators have a range of wave table voicings which can be manipulated in a variety of ways.

Learn how to manipulate the basic functions of the four operators

Each of the four operators have the same controls. We have a Wave dial which allows us to morph through a variety of wave shapes.

The Shape dial acts much like a pulse width modulator.

To alter the frequency on each operator we have a Coarse and Fine adjustments.

The gain of each operator can individually be controlled with the Level dial.

Learn how each operator can affect other operators

Each operator has the ability to modulate other operators. This can be defined with the Algorithm. The waveform from one operator modulates the next operator's waveform in the chain of the Algorithm. This is then passed to the next operator.

Learn the function of the Algorithm

The Algorithm function allows us to choose which operators modulate which other operators. Outputs A and B are also part of the algorithms. There are numerous pattern to choose from.

I hope you enjoy this tutorial. If you have any specific questions for me feel free to leave it in the comments of this post and I will do my best to get back to you with an answer.

Cheers,

@buckydurddle

Video Tutorial

Curriculum

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• MuseScore - Header

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• MuseScore - Note Inspector

• MuseScore - Key Signatures and Transpose

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If you would like to learn how to use the open source sound software synth Helm then have a look at these tutorials:

Click here for @buckydurddle's guide to Helm

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Click for @buckydurddle's Guide to Audacity

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Logo - https://www.audacityteam.org/

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Logo - https://www.vcvrack.com

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