Propellerhead Reason - 1.0.1 Betriebshandbuch PDF herunterladen (Seite 104)

SUBTRACTOR SYNTHESIZER

102

Setting Oscillator 1 Frequency - Octave/

Semitone/Cent

By clicking the corresponding up/down buttons you can tune, i.e. change the

frequency of Oscillator 1 in three ways:

➜ In Octave steps

The range is 0 - 9. The default setting is 4 (where “A” above middle “C” on

your keyboard generates 440 Hz).

➜ In Semitone steps

Allows you to raise the frequency in 12 semitone steps (1 octave).

➜ In Cent steps (100th of a semitone)

The range is -50 to 50 (down or up half a semitone).

Oscillator Keyboard Tracking

Oscillator 1 has a button named “Kbd. Track”. If this is switched off, the oscil-

lator pitch will remain constant, regardless of any incoming note pitch mes-

sages, although the oscillator still reacts to note on/off messages. This can

be useful for certain applications:

➜ When Frequency Modulation (FM - see page 104) or Ring Modula-

tion (see page 105) is used.

This produces enharmonic sounds with very varying timbre across the

keyboard.

➜ For special effects and non-pitched sounds (like drums or percus-

sion) that should sound the same across the keyboard.

Using Oscillator 2

You activate Osc 2 by clicking the button next to the text “Osc 2“. Setting os-

cillator frequency and keyboard tracking is identical to Oscillator 1.

Adding a second oscillator enables many new modulation possibilities which

can produce richer timbres. A basic example is to slightly detune (+/– a few

cents) one of the oscillators. This slight frequency offset causes the oscilla-

tors to “beat” against each other, producing a wider and richer sound. Also,

by combining two different waveforms, and adding frequency or ring modula-

tion, many new timbres can be created.

Oscillator Mix

The Osc Mix knob determines the output balance between Osc 1 and Osc 2.

To be able to clearly hear both oscillators, the “Osc Mix” knob should be set

somewhere around the center position. If you turn the Mix knob fully to the

left, only Osc 1 will be heard, and vice versa. [Command]/[Ctrl]-clicking the

knob sets the Mix parameter to center position.

Oscillator 2 Waveform

The waveform alternatives for Oscillator 2 are identical to those of Oscillator

However, the Noise Generator provides a third sound generating source (in

addition to the two oscillators) in Subtractor, and could be regarded as an

“extra” waveform for Oscillator 2, as it is internally routed to the Oscillator 2

output. See below for a description of the Noise Generator.

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