Korg microKORG2

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microKORG2 TIMBRE EDIT section - MIXER, FILTER

FILTER

The filter removes unnecessary frequency components from the sound of the oscillator. This shapes

the tone by allowing only the desired portion of the sound to pass.

The Type parameter fades between the different filter types (i.e., the method used by the filter to cut

the frequencies). The Cutoff parameter sets the frequency at which the cut will occur. Normally, turn-

ing the knob clockwise brightens the sound, and turning it counterclockwise darkens the sound. The

Resonance parameter emphasizes the frequency region near the cutoff frequency, adding a distinc-

tive character to the sound.

1. Type [LP4 (0), ..., LP2 (32), ..., BP2 (64), ..., HP2 (96), ..., HP4 (127)] (CC#27)

This fades between the different filter types. The values between types determine the mix of those

types relative to one another.

LP4 (0): A -24 dB LPF (-24 dB/oct low pass filter). The -24 dB LPF is a common type of filter that lets

the frequencies below the cutoff frequency pass through, and cuts the frequencies that are above.

Lowering the cutoff frequency makes the tone darker and more mellow.

LP2 (32): A -12 dB LPF (-12 dB/oct low pass filter). The -12 dB LPF has a more gentle slope than the

-24 dB LPF, producing a more natural-sounding effect.

BP2 (64): A -12 dB/oct BPF (band pass filter). The -12 dB BPF allows frequencies within the band

around the cutoff frequency to pass, and cuts the remaining frequencies (→Figure 6-2). Use this

when you wish to emphasize only a specific portion of the frequency range. For example, you can use

this to create sounds that use only certain frequency bands, like voices heard over the radio or the

telephone.

HP2 (96): A -12 dB/oct HPF (high pass filter). The -12 dB/oct HPF is a filter that lets the frequencies

higher than the cutoff frequency pass through, and cuts the frequencies that are lower. Use this when

you wish to make the sound thinner. Note that if you raise the cutoff frequency too much, the volume

decreases significantly.

Korg microKORG2 - Filter