also be routed to MC1 and MC2 by activating the E.F. switches, providing more options for
modulation. When active, the MC positions are not controlled by the fader or the LFO but
by the output of the Envelope Follower.
An integral part of the signal flow is the GATE which compares the peak amplitude of the
filtered input signal with the adjustable Threshold (THRESH). The Gate switches to the On
state when the signal amplitude rises above the Threshold and to the Off state when below
the Threshold and the hold time (H TIME) has passed. For modulation of the Exciter and
Sum levels the gate signal is shaped by the Attack (ATT) and Release (REL) parameters.
The Gate is a valuable tool to isolate drum beats or a range of peaks from an input signal.
A low threshold rate will create space to expand the Modal Bank's resonant ringing or re
verberation. There are four destinations that can be controlled by the Gate signal or the
Note-On states of the voices or a combination of both:
▪ Exciter (EXC) = the level at the output of the Exciter section (ATT and REL apply)
▪ Release (REL) = the Release damping with the Off state
▪ Envelope (ENV) = the state of the Envelope
▪ Sum = the level at the output of the Mixer section (ATT and REL apply)
If both buttons from NOTES and GATES are enabled for a destination, the result is a com
bination of the Note states and the state of the Gate. If they are both off the Exciter and
Sum levels are not attenuated.
The Notes section imparts a very musical edge to REAKTOR PRISM FX further enhancing
it’s unique approach. This is achieved by it’s ability to receive MIDI note on/off messages
just like a polyphonic instrument. The sound of REAKTOR PRISM FX depends very much
on the activity and pitch of the voices. The MIDI note names of the six voices are conven
iently displayed at all times allowing them to be edited using a mouse or via MIDI input.
The assignment to each of the six voices is displayed in the NOTES section. The numbers
in the first line display represent the pitch of the last note received. The row of buttons in
the second line represent the on/off state. The pitch can be set and altered by holding the
mouse button and dragging. Clicking on the button of a MIDI-played voice will latch (hold)
its state. Inactive voices can be toggled on or off via a mouse too. It is important to know
that when MIDI notes are received their velocity is applied and will be memorized when
latched, but, if you activate voices by mouse their velocity is set to the default value of 0.8
(102). The most interesting function of the NOTES section is the Chord button which
when engaged will latch sounding notes. When the Chord button is on the incoming MIDI
Overview of the REAKTOR PRISM FX Interface
Overview of REAKTOR PRISM FX Signal Flow
REAKTOR PRISM - Manual - 53
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