Propellerhead Reason - 1.0.1 Manual de Operações descarregar pdf (Página 115)

SUBTRACTOR SYNTHESIZER

113

LFO 2 Parameters

LFO 2 is polyphonic. This means that for every note you play, an indepen-

dent LFO cycle is generated, whereas LFO 1 always modulates the destina-

tion parameter using the same “cycle”. This can be used to produce subtle

cross-modulation effects, with several LFO cycles that “beat” against each

other. This also enables LFO 2 to produce modulation rates that vary across

the keyboard (see the “Keyboard Tracking” parameter below).

Destination

The available LFO 2 Destinations are as follows:

LFO 2 Delay

This parameter is used to set a delay between when a note is played and

when the LFO modulation “kicks in”. For example, if Osc 1 & 2 is selected as

the destination parameter and Delay was set to a moderate value, the sound

would start out unmodulated, with the vibrato only setting in if you hold the

note(s) long enough. Delayed LFO modulation can be very useful, especially

if you are playing musical instrument-like sounds like violin or flute. Naturally

it could also be used to control more extreme modulation effects and still re-

tain the “playability” of the sound.

LFO 2 Keyboard Tracking

If LFO keyboard tracking is activated, the LFO rate will progressively in-

crease the higher up on the keyboard you play. Raising this knob’s value cre-

ates more drastic results.

✪ If the LFO is set to modulate the phase offset, LFO keyboard track-

ing can produce good results. For example, synth string pads and

other sounds that use PWM (see page 103) can benefit from this.

Rate

The Rate knob controls the LFO’s frequency. Turn clockwise for a faster

modulation rate.

Amount

This parameter determines to what degree the selected parameter destina-

tion will be affected by LFO 2. Raising this knob’s value creates more drastic

results.

Destination

Description

Osc 1&2 Selecting this makes LFO 2 modulate the pitch (frequency) of

Osc 1 and Osc 2.

Phase Selecting this makes the LFO 2 modulate the Phase Offset

parameter for both Osc 1 and 2. Note that Phase Offset Mod-

ulation (Subtraction or Multiplication) must be activated for

this to have any effect (see page 103).

Filter Freq 2 Selecting this makes the LFO 2 modulate the filter frequency

for Filter 2.

Amp Selecting this makes the LFO 2 modulate the overall volume.,

to create tremolo-effects.

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