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Spektro Audio has updated CV Toolkit – a Mac/Windows app that’s designed to let you integrate your computer as a control voltage source with hardware modular synthesizers.

The new update includes five new modules (Shift Register, Shaper, Delay, PWM Clock, and Euclidean Sequencer), support for the Expert Sleepers ES-4, ES-40, ESX-4CV, and ESX-8CV modules (still in an experimental stage but working fine according to my tests), a new pitch detection algorithm that vastly improves VCO calibration, and various improvements and bug fixes.

Here are details on the new modules:

  • Shaper: a 4 in 1 module that works as a wavefolder, a rectifier (full and half), an attenuverter and as an offset generator.
  • Delay: Delay module capable of delaying any incoming signals by up to 4ms. The delay time can be either set in ms or synced to the BPM.
  • Shift Register – 8bit analog-style shift register. Great for creating random sequences that slowly change over time.
  • PMW Clock – A clock module with pulse-width modulation.
  • Euclidean Sequencer – Sequencer that generates rhythmic trigger patterns using an euclidean algorithm.

More info on version 1.3 is available at the Spektro Audio site.

Features:

  • Standalone application – doesn’t require any additional software.
  • Virtual Slot System – Change the modules inside the slots and customize CV Toolkit to your own needs.
  • MIDI to CV – Calibrate your VCOs and play them in tune.
  • Hands-on Experience – control all parameters from an iPad using the Lemur app (native OSC integration).
  • Routing Matrix
  • Save and recall patches
  • CV Quantizer – Quantize the output signal of any of the virtual module to a specific key and scale.
  • ScanGraph – a new concept of modulation.
  • MIDI Clock – sync it to your favorite DAWs, drum machines, iOS apps and etc.
  • Eight analog outputs – you can use up to eight analog outputs to send signals to your modular synthesizer
  • MIDI In / Out
  • Works on both Mac and PC
  • 64-bit application
  • Clean and simple interface

CV Toolkit is available for US $19.99. The update is free to existing users.

[Synthtopia]