2:1 OSC 1 (02: Comb Filter)

02: Comb Filter

In this oscillator, the signal from the other oscillator waveform or the noise generator is sent through a comb filter, and the feedback level of the comb filter is varied in order to produce tonal change. When noise is input, raising the feedback of the comb filter will gradually change the sound into a pitched tone.

Comb Oscillator

Noise Level

Noise

OSC1/2 or Sub OSC Filter1 out Filter2 out

Pulse Noise or Impulse

 

Input Level Mod.Source/Intensity

 

Comb Filter

Input Wave

Delay

Level

High Damp

 

 

Comb Filter Feedback

Example of when noise is input

Level

Feedback>0

Level

 

Comb Filter

 

Level

 

 

 

 

 

 

Frequency

Feedback=0

Frequency

As the Feedback value increases, the sound will become more pitched.

Frequency

Parameters

2–1a

2–1b

2–1c

2–1d

Prog.

Edit

P2

2–1a: Input

Input

[OSC2(1)+Noise, SubOSC+Noise, Filter1+Noise, Filter2+Noise, Pulse Noise, Impulse]

Selects the signal that will be input to the comb filter.

Example of when an Impulse is input

Feedback>0

Comb Filter

Time

Feedback=0

Time

Pluse Pluse

Width=0 Width=99

Time

As the Feedback is increased, the decay time will become longer.

Time

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Korg Synthesizer manual Comb Filter, 1a Input

Synthesizer specifications

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