Introduction

MultiWAVE is an eight channel dual wavetable oscillator for the New Universal Synthesizer System or any Eurorack modular synthesizer. It uses a single set of controls and macro modulation functions to generate eight unique audio waveforms at eight independent channel outputs.

Each MultiWAVE channel contains two independent wavetable oscillators, Osc A and Osc B, each with its own wavetable loaded and variable relations in frequency, modulation, and wavetable position.

Many of MultiWAVE's parameters and inputs can be modulated independently across all eight channels in either of two ways: Spread, and Modulation Dissemination. These new modulation styles are used for the Osc A Wave Position, Osc B Wave Position, Mod Time, and Osc A Pitch parameters. (note the gold legending on the attenuverters for these parameters):

The Spread control affects all channels to differing amounts based on the direction of the Spread parameter. It allows for weighted modulation of up to 40 destinations with a single control voltage. When Spread is modulated to the left of 12:00, channels further to the left are more affected by Spread. When Spread is set to the right of 12:00, channels further to the right are more affected by Spread. Individual parameters' Spread depth is set by their respective input attenuators.

Parameters with their CV inputs patched bypass Spread and are instead subject to Modulation Dissemination, where the CV input's current value is captured by the respective channel at activation. In other words, modulation patched to the controls with the gold legending is shared from one channel to the next as channels are activated. The depth of Modulation Dissemination is set per parameter by the input attenuators.

(The Osc B Pitch parameter's input is used for Modulation Dissemination, but is not subject to Spread. To Spread Pitch across the eight voices, use the Detune parameter instead.)

In conjunction with each other, these two modulation methods (Spread and Modulation Dissemination) allow for the aforementioned function parameters to be uniquely modulated across eight channels with only a single set of controls.

MultiWAVE channels are activated via Span and Activate controls which operate identically to those on PoliMATHS. Channels can be activated directly in variable, and even arbitrary patterns using any control voltage patched to Span, chronologically using Round Activation or simultaneously using Parallel Activation. When a channel is Activated it receives new values for Modulation Dissemination as well as generating Channel Index signals for use with other N.U.S.S. modules (for example to Activate analogous PoliMATHS channels simultaneously for a poliphonic voice patch).

MultiWAVE also includes an output header for creating pre-patched connections to the signal inputs of a pair of QXG modules. When a PoliMATHS is also pre-patched to the QXGs' control inputs, the collection of modules comprises the eight voice, dual wavetable core of the New Universal Synthesizer System.