Performance Parameter
FLEX: Sweep the pitch shift from MIN to MAX of HOTKNOB.
Polyphony
A low-latency, high quality polyphonic pitch shifter capable of so much more. Making use of Eventide’s
new SIFT (Spectral Instantaneous Frequency Tracking) technology, this algorithm shifts any chord or note
you throw at it with zero tracking errors, all while the preserving the tone of your guitar. With this
algorithm you can go from creating massive, organ-like chords and harmonies to out of this world special
effects. The input signal is sent through the polyphonic pitch shifting engine which outputs two voices of
shifted output - each with their own interval and detune controls. Included in the pitch shifting engine are
the Auto EQ
fi
lters which help preserve the tone of the input signal. These
fi
lters are automatically
adjusted based on the shifting interval to give the shifted voices as natural of a sound as possible, and the
amount of
fi
ltering applied is adjustable. These voices are then fed to individual delays with independent
time and feedback controls. The pitch shifting engine can be placed either inside or outside of this delay
feedback loop, allowing you to create unique rising or sinking chorus sounds, and crystals type effects.
Finally, the two voices can be independently panned when the output of the pedal is connected in stereo.
As a cherry on top the latching or momentary Freeze performance switch allows you to in
fi
nitely sustain
the pitch shifted sound while passing through the dry signal to create pad textures that you can play over.
Mix: Wet/dry mixer, 100% is all wet signal.
Inst Type: Tunes the underlying pitch shifting Algorithm for either pitched or percussive
instruments.
Tip
The Percussive instrument mode is designed to prioritize preserving the transients and
tone of the original signal while also having less latency. For applications where you would
like to re-tune a guitar or bass (Mix is 100% wet) Percussive mode may work better for
small shift intervals. For larger intervals the quality of the shifted sound will be be better
in the Pitched mode.
Feedback Sw: Places the pitch shifter inside or outside of the feedback path.
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10. ALGORITHM GUIDE
Summary of Contents for H90 Harmonizer
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