Pulsum Quadratum

We make modules for the VCVRack software modular synthesis environment. Some are proprietary and some are open source. For open source modules, visit us on GitHub. Currently, most of our modules are under active development.

Modules

Rhombic Shift Register

Complex shift register for algorithmic composition

Status

available

rtl-sdr Radio Tuner

Radio tuner for rtl-sdr USB dongles

License	GPL-2.0
Status	beta
Source	vcvrack-rtlsdr

Color Scope

Oscilloscope where the draw color matches the color of the input cable

License	BSD-2-Clause
Status	beta
Source	vcvrack-colorscope

SID voice

Commodore 64 SID synth voice

License	GPL-2.0
Status	alpha
Source	vcvrack-sid

Low Pass Gate

8 channels of Low Pass Gate w/ vactrol-style decay on the CV envelope.

Status

unavailable

Waveshaper²

Chebyshev polynomial waveshaper

Status

unavailable

Drooping Multiple

Passive multiple simulation for modeling primitive CV distribution.

Status

unavailable

Sir Hiss

Virtual channel snake and patch viewport navigator

Status

unavailable

Download

0.6.0 - 18 April 2018

Available from VCVRack ($15)

requires VCVRack 0.6.x

Release history

About

Pulsum Quadratum (“vibrating square” For those interested, the Vibrating Square is an element from Nethack. or “pulse wave”) releases synthesizer projects by Jon Williams.