KQ MiniSynth – Filters/Effectors

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Voltage-Controlled Filter (LPF/HPF/BPF/BEF)

VCF

This is a module which contains “Low-pass filter”, “High-pass filter”, “Band-pass filter”, and “Band-elimination filter”.

Connectors/Parameters

  • LPF/HPF/BPF/BEF button

    Select a filter type.

  • Frequency

    A cutoff frequency of LPF/HPF or a center frequency of BPF/BEF.

  • CV

    Select a source to input the Control-Voltage to control the filter strength;

  • V/Oct

    Select a pitch source to track.

  • Tracking

    A rate of which the frequency follows the input pitch.

  • Resonance / Width

    A strength of the resonance of LPF/HPF or the frequency width of BPF/BEF.

  • Wave In

    Select a source to input a wave.

  • Wave Out

    This outputs a wave.

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Delay Effector

Delay

This is a effector which delays sound.

Connectors/Parameters

  • Time

    Time to delay.

  • Dry

    Volume of the raw input sound.

  • Wet

    Volume of the processed sound.

  • Feedback

    Volume of the feedback sound.

  • In

    Select a source to effect.

  • Out

    This outputs the effected.

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Modulated Delay (Version 2.0)

Modulated Delay

You get a effect (e.g. chorus, flanging) by modulating delay amount.

Connectors/Parameters

  • Mod CV

    Select a source of modulation. Usually, LFO is recommended.

  • Min/Max Delay

    The maximum/minimum delay time. I recommend that the minimum value is about 20ms for Chorus, 0ms for Flanging.

  • DryWet

    Dry means the unprocessed sound and Wet means the processed one. The output is only Dry if the value is 0, only Wet if the value is 1.

  • Feedback

    The delay’s feedback amount.

  • In

    The input.

  • Out

    The output.

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Reverb Filter (KQ)

Reverb

This is a filter which adds the reverberation to the input sound. The algorithm is original. Stereo Input/Output.

Connectors/Parameters

  • Level

    A level of the reverberation.

  • Wave In

    Select a source to input a wave.

  • Wave Out

    This outputs a filtered wave.

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Reverb Filter (FreeVerb) (Version 2.0)

FreeVerb

This is a filter which adds the reverberation to the input sound. This module uses FreeVerb which is a public domain high quality reverbrator. Stereo Input/Output.

Connectors/Parameters

  • Room Size

    The level of refrected sound. It is reflected longer time if the value is larger.

  • Damp

    Damping it more if the value is larger.

  • Dry

    The level of the unprocessed sound.

  • Wet

    The level of the processed (reverberated) sound.

  • Width

    Stereo sound width.

  • Freeze

    Fixing the reverbration when this become on. You can control it with a connected cable.

  • In

    The input.

  • Out

    The output.

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Compressor

Compressor

This is a module which compresses the dynamic range of the input sound.

Connectors/Parameters

  • Thresh

    A threshold to compress.

  • Ratio

    A compressing ratio.

  • Attack

    Time before beginning compressing after the volume ≥ “Thresh”.

  • Release

    Time before finishing compressing after the volume ≤ “Thresh”.

  • Gain

    A value for changing the output volume.

  • Wave In

    Select a source to input a wave.

  • Wave Out

    This outputs the compressed.

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Chorus Effector (Version 2.0)

Chorus

Using Chorus effect, you get a sound like people singing in a chorus. This module overlaps a input and a processed input whose frequency is modulated. Internally, it uses a Modulated Delay. Stereo Input/Output.

Connectors/Parameters

  • Frequency

    Chorus vibration frequency. The vibration gets faster if the value is larger.

  • Depth

    Chorus vibration depth. The vibration gets deeper if the value is larger.

  • DryWet

    Dry means the unprocessed sound and Wet means the processed one. The output is only Dry if the value is 0, only Wet if the value is 1. You feel only vibration effect if the value is 1 because chorus effect is a result of overlapping.

  • Feedback

    The internal delay’s feedback amount.

  • In

    The input.

  • Out

    The output.

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Flanger (Version 2.0)

Flanger

Flanger is a effector which produces sweeping up/down sound. Stereo Input/Output.

Connectors/Parameters

  • Frequency

    Flanger viblation frequency. The viblation gets faster if the value is larger.

  • Depth

    Flanger viblation depth. The viblation gets deeper if the value is larger.

  • DryWet

    Dry means the unprocessed sound and Wet means the processed one. The output is only Dry if the value is 0, only Wet if the value is 1. You feel vibration effect if the value is 1.

  • Feedback

    The internal delay’s feedback amount.

  • In

    The input.

  • Out

    The output.

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