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PDO mk​​​.​​​2 + TBVCA - Demo 08 (Resetting LFOs)

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

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For this demo I wanted to demonstrate how well the PDO acts as a resettable/ re-triggered LFO, and investigate whether it could be pressed into use as a pseudo-envelope if the settings were appropriate.

1 - The e350 oscillator was used as a sound source, via the z2040 Lowpass Filter.
2 - All 4 outputs of the PDO (at slow LFO frequency) were sent into 4 inputs of the a152 Quad Sequential Switch
3 - A reset (once a Bar) was sent to: The Trigger input of the Sequential Switch and the Sync input of the PDO (So that each bar the LFO resets, and the waveshape changes)
4 - A different LFO - at a different Phase - was selected for each channel/ output of the PDO….giving the impression of 4 sequentially-triggered envelopes, with differing Attack/ Decay characteristics.
5 - The SUM Out of the PDO is used to control the FM of the e350, and later on the Morph Z. It is also used to sweep the z2040's cutoff up and down.
6 - The SUM Output of the PDO is also used to FM the PDO itself, which changes the shape of the LFOs. You can hear the FM being gradually increased up to around 01.15 - creating a more "whip-like" effect on each LFO shape. After this the FM is reduced and the shapes return to normal.
7 - Towards the end the PDO's rate and shapes are experimented with a little.

Some drums were added, largely to demonstrate how accurately the LFOs are resetting each bar.

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from WMD PDO mk​.​2 + Triple Bipolar VCA, track released June 25, 2014

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