Eventide Harmonizer H90 - Page 190

The DepthL / DepthC / DepthR knobs control the depth of the respective voices. Larger depth values
increase the amount of delay modulation, creating greater changes in pitch. When a depth control is set
to Off, that voice is removed from the output, and the volume levels of the other voices will be
automatically adjusted to maintain a constant level.
Chorus Mix / Vibrato / Chorale Mix: Global mix control for chorusing and has two modes, Chorus
and Chorale. Chorus and Chorale Mix levels are independent of Detune Mix (see below).
Chorus Mode (0-99 range on left half of the knob), all three chorus channel mixes, Left, Center,
and Right are affected together. At 100 (Vibrato), no dry signal is present. In Chorus mode, LFO
shapes are triangular from a range of 0 to 75. After 75, the LFO morphs from triangular to
sinusoidal at 100.
Chorale Mode (99-0 range on right half of the knob) adds two fixed rate LFOs, one slow and one
fast, to the primary LFOs creating an effect similar to combining the Preset and Manual modes
on the
DYTRONICS TriChorus. This increases the complexity of the modulation, producing a
richer sound. In Chorale mode, all LFO shapes are sinusoidal throughout the range of the
control.
Rate: This is the base rate of the chorus modulation, from 0.1Hz to 20Hz. When Tempo Sync is On,
this becomes a multiplier on the tapped BPM value. The Env Rate control can change the apparent
rate, so if the rate that you are hearing is different from the value of the Rate control, try setting the
value of Env Rate to 0.
Depth L: Chorus modulation depth of the Left voice. From Off, to 100. When Off, the voice is
removed from the mix, and the levels of the other voices are automatically adjusted to preserve the
wet-dry blend.
In mono to stereo routing, if Depth R is Off but Depth L is active, the chorused signal will be routed
to the left and the dry signal will be routed to the right. This is a classic technique for producing a
wider stereo image.
Depth C: Chorus modulation depth of the Center voice. From Off, to 100. When Off, the voice is
removed from the mix, and the levels of the other voices are automatically adjusted to preserve the
wet-dry blend.
Depth R: Chorus modulation depth of the Right voice. From Off, to 100. When Off, the voice is
removed from the mix, and the levels of the other voices are automatically adjusted to preserve the
wet-dry blend.
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11. ALGORITHM GUIDE