Propellerhead Reason - 4.0 Manual de operaciones descargar pdf (Pagina 211)

THOR POLYSONIC SYNTHESIZER

209

Multi oscillator

This versatile oscillator can simultaneously generate multiple detuned waveforms (of a

set type) per voice. It is great for producing complex timbres e.g. to simulate cymbal

or bell sounds, but can also generate a wide range of harmonic sounds.

D The following basic waveforms are available: Sawtooth, Square, Soft

Sawtooth, Soft Square, Pulse.

You switch waveforms using the button in the lower left corner, or by clicking di-

rectly on the waveform symbol.

D The Amount (AMT) parameter governs the amount of detune.

Turn clockwise for more detune. This is also the modifier (Mod) parameter. Using

low Amount settings can produce subtle detune variations that makes the sound

shift and move endlessly, like an advanced chorus effect, whereas higher Amount

settings can produce wild, detuned timbres.

D The Detune Mode parameter sets the basic operational mode of the de-

tuning.

If Amount is set to 0, only the “Octave” and “Fifth” Detune modes actually change

the sound, as these modes start off with dual waveforms tuned one octave and a

fifth apart, respectively. The “Fifth Up” and “Oct UpDn” modes detune waveforms

as the names imply between zero to full Amount settings. “Linear” will change the

amount of detune according to where on the keyboard you play; in lower keyboard

ranges the amount of detune is stronger than in higher keyboard ranges and vice

versa. The other modes (Interval and Random) basically add multiple waveforms

and detune them in various ways that will produce different results.

Noise oscillator

The Noise oscillator can not only produce white and colored noise, but can also be

used either as a pitched oscillator or as a modulation source.

It has the following basic parameters:

D There is a single Noise parameter (apart from the standard tuning and

kbd track knobs).

This is the Noise modifier parameter, that controls different parameters depending

on the selected Oscillator mode, see below.

D The Waveform selector button in the bottom left corner is used to set the

Oscillator mode.

The following modes are available:’

Mode

Description

Band In this mode, the Oscillator knob controls bandwidth. Turned fully clock-

wise, the oscillator produces pure noise. Turning the knob counter-clock-

wise gradually narrows the bandwidth until a pitch is produced. The pitch

will track the keyboard normally if the keyboard (KBD) knob is set fully

clockwise.

S/H S/H stands for “sample and hold”, which is a type of random generator.

The Oscillator knob controls the rate of the sample and hold. With high

Oscillator knob settings, it produces colored noise with a slightly

“phased” sound quality. With lower rate settings you can use the oscilla-

tor as a modulation source like a LFO with random values. For example, if

you modulate the pitch of another oscillator using S/H with a low Rate

setting as the source, you will get stepped random modulation of the

pitch.

Static As the name implies, this can generate the sound of static interference if

you use low Oscillator settings. The Oscillator parameter controls Den-

sity, i.e. the amount of static. High Density settings generates noise.

Color This produces colored noise, which is basically noise where certain fre-

quency areas are filtered, i.e. cutting or boosting certain frequency areas

in the noise. The Oscillator knob controls Color. With a maximum Color

setting you get white noise, and lower settings produces noise emphasiz-

ing lower frequencies.

White This produces pure white noise, where all frequencies have equal energy.

There is no associated Oscillator parameter for White noise.

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