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PDO mk​.​2 + TBVCA - Demo 09 (Rhythmically Triggered LFOs)

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

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For this recording I wanted to experiment with using the PDO almost like an envelope generator, with the 4 outputs providing a variety of shapes - depending on the chosen waveform and its phase.

1 - The Synthesis Technology e350 was used as a sound source, via the Tiptop z2040 Lowpass Filter.
2 - The WMD PDO mk.2 (set at its LFO range) was used as the sole modulation source. Its 4 outputs were sent into the 4 inputs of the Doepfer a152 Quad Sequential Switch.
3 - Rhythmic triggers were sent from Silent Way into the Sync input of the PDO (So that on each trigger the LFO resets)
4 - Random gates were then used to switch between the 4 different waves in the Sequential Switch, except for nearer the end, where the same trigger pattern that is syncing the PDO is used instead (this switches through the waves at a much faster speed)
5 - The Sequential Switch output was also sent to control wave morphing on the e350, and the cutoff of the z2040 at various points. In addition it was used to control the amplitude of the final output VCA during parts of the recording.

Bear in mind that you are not listening to the sound of the PDO mk.2 - only the way in which it can be used as a modulation source, to produce rhythmic "envelope-like" effects.

credits

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

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