is increased by 1 octave (Ratio=2). Intermediate settings produce frac-
tional octave ratios with the changes ”band spread” around unity.
• A-F – This switch activates the ANTI-FEEDBACK knob, allowing you
to add small amounts of an up-and-down frequency shift to the output
signal. This serves to decrease the effect of room resonance peaks on
the signal which ultimately returns to the microphone. Note that higher
settings will make the effect more audible, so care should be taken to
find a setting which provides adequate feedback reduction with minimal
audience/performer disturbance.
• MIDI – When selected, pitch ratio is determined by receipt of MIDI Note
On and Pitch Bend messages. (See ’Working with the Harmonizers.’)
3.1.3 Pitch Ratio
The display shows the numerical pitch ratio.(See also Pitch Ratio Readouts for
Various Musical Relationships on page 30.) Note that, just as in the original
unit, when the knob is set between two values, the display will ”jitter” between
the two. This is visual jitter only, and does not affect the audio.
3.1.4 Delay
Allow you to insert additional delays before the output. Select delay times in
7.5 ms increments to a maximum of 112.5 ms. (7.5+15+30+60).
3.1.5 Feedback
Used to determine the decay time of the output delay. Clockwise rotation
increases decay time until feedback reaches unity, at which time the system will
begin to oscillate.
3.1.6 Mix
This parameter sets the overall balance of wet (effected) signal to dry (original)
signal.
3.2 H910 Dual Harmonizer Controls
The H910 Harmonizer plug-in comes bundled with the H910 Dual Harmonizer
plug-in, which recreates two H910 units running in parallel, an application that
was frequently used in the hardware version to create doubling effects. Of course,
you can also use the H910 Dual to create a wide variety of other interesting
sounds.
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