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RingMod

Ring Modulator is an effect created by multiplying an input signal by an audio frequency waveform; the result is a waveform containing the sums and differences of those frequencies and their partials. This creates a waveform with complex (and usually non-harmonic), bell-like overtones.

H9 Control View - Click (+) for more info

RingMod Algorithm Controls
Intensity [INTENS]
Effect level.
Effect Type [TYPE]
Select [RING] or [STRING].
Modulation Depth [DEPTH]
Sets modulation sweep range from narrow to wide.
Modulation Speed [SPEED]
Sets the modulation sweep rate. Note: If Envelope or ADSR is selected for the Shape parameter, the modulation is driven by the amplitude of the audio input and the Speed control becomes a Sensitivity control.
Modulation Waveform Shape [SHAPE]
Selects the shape (or source) of the modulation. The choices are: [SINE], TRIANGLE [TRIANG], [PEAK], [RANDOM], [SQUARE], [RAMP], Sample and Hold [SMPHLD], Envelope [ENVLPE], or [ADSR]. In addition, the Expression Pedal [EXPPDL] can be chosen as a source. When EXP PDL is chosen, the current preset’s pedal mapping is ignored.
Tone Control [TONE]
Just what you’d expect.
Amplitude Modulation [D-MOD]
Controls the amount of modulation of the Depth parameter. Analogous to AM (Amplitude Modulation).
Frequency Modulation [S-MOD]
Controls the amount of modulation of the Speed parameter. Analogous to FM (Frequency Modulation).
Secondary LFO Rate [RATE]
Sets the secondary LFO rate – determines how fast the D-Mod and S-Mod “wiggle” their targets. Ranges from 1/8 to 8X the Speed value. Note: If Envelope or ADSR is selected as the Mod Source, the modulation is driven by the amplitude of the audio input and the speed modulation control [S-MOD] becomes a Sensitivity control.
Modulation Source [MODSRC]
Selects the secondary LFO modulation source. The choices are: [SINE], TRIANGLE [TRIANG], [PEAK], [RANDOM], [SQUARE], [RAMP], Sample and Hold [SMPHLD], Envelop [ENVLOP], or [ADSR]. In addition, the Expression Pedal [EXPPDL] can be chosen as a source. When [EXPPDL] is chosen, the current preset’s pedal mapping is ignored.
Output Level
At 0 the output level is unaffected. Increase the output level of the effect by up to 20 dB or lower by 30 dB.
TEMPO ON / TEMPO OFF
Tempo is turned ON/OFF on the H9 by simultaneously pressing the Right Footswitch and the PRESETS button. With Tempo OFF, tapping can be used to adjust delay parameter values (displayed as milliseconds or Hz). With Tempo ON, tempo is in BPM.
Active
Turn effect on or off..
Slow/Fast
Set modulation speed to fast or slow.
TAP
If Tempo is ON, the display indicates the current tempo in BPM (30 to 500 BPM) while tapping and the Tap LED will blink at the BPM rate. If Tempo is OFF, the display indicates the parameter value (milliseconds for most algorithms).