Alesis MidiVerb4 User Manual - Page 61
Realtime Modulation Functions
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Chapter 6 - Advanced Applications Realtime Modulation Functions You can use various MIDI messages (such as note number, velocity, aftertouch, or pitch-bend, etc.) to simultaneously control up to two parameters in the MidiVerb 4, such as delay time, room size, etc. Modulation functions are "hard-wired" in each Configuration, and therefore cannot be changed. However, you can select which two types of MIDI messages will act as the modulation sources, and you can adjust how much they will affect the MidiVerb 4's parameters by either a positive or negative amount. The two parameters in each Configuration which can be modulated via MIDI have been chosen very carefully to provide the most-desired modulation combinations. The two modulation sources are designated as Modulator X and Modulator Y. In the Utility mode, you can select the type of MIDI message which will be designated as each Modulator. The parameters that Modulators X and Y control are determined by the selected Program's Configuration. Example: If using any of the Stereo Reverb Configurations, Modulator X controls the Reverb's decay time, while Modulator Y controls the Reverb's wet/dry mix. Keep in mind that both Modulator X and Y can be assigned to the same MIDI message. Therefore, a single MIDI source can modulate two different parameters simultaneously. Defining the Modulation Sources To select which type of MIDI messages will be used as Modulators X and Y: Press [UTIL]. The [UTIL] button will light . Press the [EDIT/PAGE] button until page 4 is selected. The display will look like this: 0 1 Mo d # X Amp X Mo d # Y Amp Y PRESET b n d ¡ - 6 4 ‡ 0 3 2 £ 1 2 7 › A B C D PAGE 1 2 3 4 5 6 L R Press the [A] button to select the Modulator X field, and turn the [VALUE] knob to select the type of MIDI message that will be used by Modulator X. You can choose from: pitch-bend (bnd), aftertouch (AFt), note number (not), velocity (UEL), or a controller number from 000-119. Press the [B] button to select the Amplitude X field, and turn the [VALUE] knob to set the amount of control Modulator X will have over the parameters it controls. This can be set anywhere from -99 to +99. Repeat steps and , substituting buttons [A] and [B] with buttons [C] and [D] to select the type of MIDI message for Modulator Y and adjust its amplitude. Modulation Parameters Index 60 MidiVerb 4 Reference Manual