MATRIXSYNTH: Klavis Quadigy as an expressive ADSR

Friday, October 18, 2019

Klavis Quadigy as an expressive ADSR

Published on Oct 18, 2019 Martin Doudoroff

"An exhaustive exploration of the ADSR features and behavior of Klavis Quadigy Quad Programmable Envelope Generator for Eurorack modular synthesizers.

• I didn’t realize until after the video was done that the PUNCH parameter is considered part of ATTACK for the purposes of the FULL ATTACK mode; so, with FULL ATTACK turned on, you’ll get at minimum the full attack and punch of the envelope; good to know
• I should have clarified that the time value of the HOLD parameter is relative to gate/trigger on, not relative to the end of DECAY
• I should have clarified that the HOLD parameter can be used in conjunction with gates as well as with triggers; with gates, the HOLD parameter effectively sets the minimum duration of the envelope (not including RELEASE)"

Update: follow-up video:

Klavis Quadigy: Minimoog-style retriggering behavior

Published on Feb 4, 2020 Martin Doudoroff

"Addendum demonstrating how the Klavis Quadigy implements a retriggering behavior reminiscent of the MInimoog."

via Klavis

"The Quadigy is a complex envelope generator focused on live play. The goal is to allow the user setting up rich, interactive and dynamically evolving envelopes without the risk of breaking up a subtle and intricate patch once on stage. This is achieved by offering two main modes, one where full control is available and a Live mode where only the settings that are sensible using on stage are accessible.

Quad 7-stage envelopes
Continuous curve shape setting
Independent output level
Cycle capability with auto fit-to-clock
Elastic time stretching
5 internal clocks with tap tempo
External clock control
Multiply/divide and offset
Individual cycle ext. control
32 presets with naming
External preset control via CV/Trig
Simultaneous 156-point CV matrix
Morphing on presets and CV Matrix
Multi-editing for polyphonic uses
Live mode for easier/safer control
Graphical display
Real-time envelope stages LED indication
Current state retained over power cycle
Easy firmware update via an audio file
Skiff-friendly and compact module

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