Oscillator Types; Oscillator Sets - Korg Prophecy Basic Manual

• *,Oscillator types
Standard Oscillator
This simulates the oscillator of an analog synthesizer. You can achieve the same effects as on an analog
synthesizer, such as Pulse Width Modulation.
Noise
+
Comb Filter
This oscillator extracts a pitched component from white noise.
It
can create not only unique sounds, but
also a wide variety of sounds ranging from string-type sounds to synth bass.
VPM (Variable Phase Modulation)
This modulates the phase of two oscillators and uses the wave shaping table to process the sound to create
rich overtones.
Cross/Sync/Ring Modulation
This oscillator simulates the inter-modulation between oscillators that was possible on analog synthesizers.
Brass Model Oscillator*
3
This oscillator provides a physical model simulation of lip reed brass instruments such as trumpet and
trombone.
Reed Model Oscillator* 3
This oscillator provides a physical model simulation of reed instruments such as a saxophone.
Plucked String Model Oscillator* 3
This oscillator provides a physical model simulation of plucked string instruments such as a bass
guitar.
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0scillator Sets
Set Oscillator 1 Oscillator 2
Set 1 Standard OSC Standard OSC
Set 2 Standard OSC Comb Filter OSC
Set 3 Standard OSC VPMOSC
Set4 Standard OSC Modulation OSC
Set 5 Comb Filter OSC Comb Filter OSC
Set 6 Comb Filter OSC
VPM OSC
Set 7 Comb Filter OSC Modulation OSC
Set 8 VPMOSC VPM OSC
Set9 VPMOSC Modulation OSC
Set 10 Brass OSC no oscillator
Set 11 Reed OSC no oscillator
Set 12 PluckOSC no oscillator
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3
The Brass Model Oscillator, Reed Model Oscillator, and Plucked String Oscillator use physical
models. Unlike conventional oscillators which produce a fixed waveform, physical models simulate
the physical characteristics of the components that make up an instrument, such as the bore, reed, or
string. For example, a physical model might calculate the way in which a pressure wave would be
reflected and attenuated as it passed through a bore, or the way in which a reed moves when air is
blown past it. These calculations are made in realtime to determine what sound would result.
*
4
In order to use the controllers of the Prophecy to control its own tone generator or an external MIDI
device, you need to specify how the Prophecy's controllers correspond to control messages such as
pitch bender, aftertouch, and control changes #00-95. These settings are made in the Common
section of each program. In the Global section, you can specify how the MIDI messages assigned to
the Prophecy's controllers will be transmitted and received.
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