Eventide H90 Harmonizer, User Manual

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Feedback B: Controls level of voice B Feedback. The feedback delay length is the length of either
Delay A or Delay B, whichever is longer, to make sure both voices fade out simultaneously.
Quantization - Quantizes the notes that are not in the selected key scale to
fi t within the selected
key and scale.
Performance Parameter
LEARN: Press-and-hold the Learn switch while playing a note and the H90 will set the key to that note.
H910 H949
This effect emulates the sound and functionality of Eventide’s legendary H910 and H949 Harmonizer™
effects units. The H910 Harmonizer was the world’s fi rst real-time pro-audio pitch changer and
introduced the word “glitching” to the pro-audio vocabulary. The H949 was the world’s fi rst de-glitched
Harmonizer. Unlike the Diatonic pitch shifters, pitch shifting is in the feedback loop allowing for
arpeggiated repeats.

Note
For the purists in our audience, you may remember that the H910 and H949 were mono in, stereo
out devices. In other words, they featured a single pitch shifter with independently adjusted delays.
To best emulate these vintage boxes, we recommend that you set either Pitch A or Pitch B to unison
(1.00) and use that output for feedback without pitch change.
Mix: Wet/dry mixer, 100% is all wet signal.
Pitch A/Pitch B Mix: Controls the ratio of the level of Pitch A to Pitch B.
Pitch Shift Up A: Controls the amount of pitch shift for voice A expressed as a ratio.
Pitch Shift Down B: Controls the amount of pitch shift for voice B expressed as a ratio.
Delay A: Controls the amount of time delay of the A pitch-shifted output. With Tempo Sync OFF,
delay is displayed in ms. With Tempo Sync ON, delay can be sync’d to the tempo and is displayed as
a rhythmic sub-division of the tempo beat value.
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10. ALGORITHM GUIDE