Propellerhead Reason - 4.0 Instrukcja Operacji Pobierz pdf (Strona 188)

SUBTRACTOR SYNTHESIZER

186

Introduction

Subtractor is an analog-type polyphonic synthesizer based on subtractive synthesis,

the method used in analog synthesizers. This chapter will go through all parameters of

each section of Subtractor. In addition to the parameter descriptions, the chapter also

includes a few tips and tricks to help you get the most out of the Subtractor synthe-

sizer.

! It is recommended that you start with default settings (an “Init Patch”) if

you intend to follow the examples in this chapter, unless otherwise is

stated. An Init Patch is created by selecting “Initialize Patch” from the

Edit menu. If you wish to keep the current settings, save them before ini-

tializing.

The Subtractor has the following basic features:

D Up to 99 Voice Polyphony.

You can set the number of voices for each Patch.

D Dual Filters.

A combination of a multimode filter and a second, linkable, lowpass filter allows for

complex filtering effects. See page 191.

D Two Oscillators, each with 32 waveforms.

See page 186.

D Frequency Modulation (FM).

See page 190.

D Oscillator Phase Offset Modulation.

This is an unique Subtractor feature that generates waveform variations. See page

189.

D Two Low Frequency Oscillators (LFO’s)

See page 195.

D Three Envelope Generators.

See page 194.

D Extensive Velocity Control.

See page 197.

D Extensive CV/Gate Modulation possibilities.

See page 200.

! Loading and saving Patches is described on page 29.

The Oscillator Section

Subtractor provides two oscillators. Oscillators are the main sound generators in

Subtractor, the other features are used to shape the sound of the oscillators. Oscilla-

tors generate two basic properties, waveform and pitch (frequency). The type of

waveform the oscillator produces determines the harmonic content of the sound,

which in turn affects the resultant sound quality (timbre). Selecting a oscillator wave-

form is usually the starting point when creating a new Subtractor Patch from scratch.

Oscillator 1 Waveform

Oscillator 1 provides 32 waveforms. The first four are standard waveforms, and the

rest are “special” waveforms, some of which are suitable for emulating various musical

instrument sounds.

✪ It is worth noting here that all waveforms can be radically transformed

using Phase offset modulation (see page 189).

D To select a waveform, click the spin controls to the right of the “Wave-

form” LED display.

The first 4 basic waveforms are shown as standard symbols, and the special wave-

forms are numbered 5 - 32.

1 2 ... 183 184 185 186 187 188 189 190 191 192 193 ... 401 402

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