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Octavers traditionally use analog techniques to track the pitch of the input audio signal and synthesize a signal whose musical tone is an octave lower than the original.

Octaver™ creates a pair of sub-harmonics, one an octave below the note that you’re playing and the other two octaves below. It also adds an Octave FUZZ generator. The sub-harmonics can be filtered and the filters modulated by the input audio level. Octaver is a parallel (dual mono) rather than stereo effect.

Note: Tempo cannot be used with this effect.

H9 Control View - Click (+) for more info

Octaver Algorithm Controls
Mix [MIX]
wet/dry mixer, 100% is all wet signal.
Sub-Harmonic Mix [SUB-MX]
Controls mix of 1st and 2nd sub-harmonics (A and B). Note that Inputs 1 and Inputs 2 are not mixed.
Filter Center Frequency A [CNTR-A]
Controls the center frequency of the resonant filter for A.
Filter Center Frequency B [CNTR-B]
Controls the center frequency of the resonant filter for B.
Filter Resonance A [RESN-A]
Controls filter resonance for A. Note: After adjusting the filter’s center frequency and resonance, you may want to try modulating the filter.
Filter Resonance B [RESN-B]
Controls filter resonance for B.
Envelop Filter Shift [ENVLOP]
Octaver allows your playing to vary the center frequency of the filters. This control adjusts the degree to which the input signal’s envelop shifts the filter’s center frequency.
Envelop Sensitivity [SENSE]
Controls the sensitivity of the frequency sweeps to the input signal level.
Distortion [FUZZ]
Controls the amount of distortion (FUZZ).
Octave Mix [OCT-MX]
Controls the mix of octaves and FUZZ.
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 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.
Turn effect on or off..
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).