Modular synthesis and MPE might seem like an unlikely pairing, since patching usually means thinking in terms of monophonic signal chains. Applied Acoustics Systems took a different approach with Multiphonics CV-3, a virtual modular synth that handles full polyphony and MPE. Its free 3.1 update is a good moment to look at how modular design can help you build expressive instruments.
What update 3.1 added
According to SYNTH ANATOMY's coverage, the free update for existing users introduces four new modules:
- An FM Core operator module with expanded modulation options
- A Rez oscillator using phase distortion and hard sync techniques
- An 8-segment envelope generator with quantization
- A spectrum analyzer with several display and window types
A new FM Core sound pack with 100 patches, aimed at synthwave, VHS-style soundtracks and 80s pop-inspired electric pianos, basses and leads, accompanies the release. Pricing at the time of the announcement was $149 for the base version and $199 for the PACKS version, with a limited-time 50% promotion.
Why a modular design suits MPE
In a typical preset-based synth, the MPE mappings are fixed by the designer. In a modular environment, you decide where each gesture goes. That has several practical benefits for expressive playing:
- Per-note pressure can control anything. Route it to a filter, an FM amount, a waveshaper or an effect send.
- Slide can become a second modulation axis. Use it for timbre while pressure handles dynamics.
- Envelopes and gestures can interact. An eight-segment envelope can shape a note's evolution while pressure adds live variation on top.
Because CV-3 is polyphonic, each of these routings is applied per voice, which is the key difference from a monophonic modular rig where one gesture affects everything.
A simple starting patch
If you are new to expressive modular patching, try this approach with any MPE controller:
- Start with a single oscillator into a low-pass filter and amplifier.
- Route pressure to the filter cutoff so harder presses open the sound.
- Route slide to an FM amount if you use the new FM Core module, giving each note a second timbral dimension.
- Keep the pitch bend range consistent between your controller, DAW and plugin, since mismatches are a common source of out-of-tune glides.
This kind of small, deliberate mapping often sounds better than assigning every parameter to a gesture. Expressive playing benefits from restraint.
Platforms and availability
Multiphonics CV-3 runs on macOS (native Apple Silicon and Intel) and Windows as VST, VST3, AU and AAX plugins, plus a standalone application. Check the official AAS page for current pricing and promotions.
For more guides on mapping expression and choosing instruments, explore the mpesynth.com blog.