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PDO mk​.​2 + TBVCA - Demo 05 (FM Drone)

from WMD PDO mk​.​2 + Triple Bipolar VCA by Matttech Modular Demos

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For this demo I wanted to demonstrate the sound of the PDO when Linear FM is applied to it. Only channel 1 of the PDO was used, and it was set to SINE throughout. A simple drone was set up, with various modulation and manual tweaking carried out during the recording. I was pleasantly surprised at how nice the FM actually sounds - considering that the analogue saw core of the PDO is shaped by a digital waveshaper, and that the Quad Anti-Aliasing Filter was not used.

PATCH DETAILS:

1 - PDO ch.1 sine was multed to two VCAs, panned left and right, with the amplitude of the VCAs modulated by 2 different slow LFOs.
2 - The Intellijel Rubicon is used as the FM source. 3 different waves are used at various points: Sine, Double Pulse, and -2 Octave Sub.
3 - FM from the Sine and Double Pulse is brought in and out manually, and also via two further VCAs which are modulated by 2 slow LFOs from Maths
4 - Pulse Width Modulation is applied to the Rubicon's Double Pulse by the SUM output of the Vulcan Modulator LFO (used earlier)
5 - Further FM from the -2 Oct Sub is brought in and out manually at various points.
6 - As the recording progresses the SUM output of the PDO is sent into the Rubicon's TZFM input, causing FM feedback - which results in a more aggressive and chaotic tone.
7 - The Rubicon's TZFM and Symmetry are both manipulated throughout, and modulated by further LFOs.

credits

from WMD PDO mk​.​2 + Triple Bipolar VCA, released January 16, 2014

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