Patch and Tell - E4 - Onde Magnétique OM-1 Cassette Synthesizer + Drone + Envelope Follower

Published on Jan 21, 2020 The Galaxy Electric

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In this installment of Augustus Green of The Galaxy Electric's Patch and Tell we explore the OM-1 Cassette Synthesizer by Onde Magnétique designed by Scott Campbell out of Louisiana. We are using a prerecorded tape of one of our weekly buchla drone performances. [see here]

I am using the OM-1 for pitch and gate cv control that is being generated from Koma Elektronik's Field Kit's Envelope Follower. The Envelope Follower is a circuit that generates a control voltage envelope from an incoming audio signal. In this case the audio signal is a digital drum loop that was prerecorded onto the cassette using my tape-ify (https://thegalaxyelectricshop.com/pro...) process and played by a Tascam Porta02 mkII. The tape stock used was my low grade Type II CrO2 formula. The pitch and gate of the cv controllable cassette player are informed by the dynamics and feel of the drum loop. I further control the pitch using the buttons on the OM-1 which generate Volt per Octave control voltages that play back the tape at different speeds. The result is a tight groove that allows me to repurpose the drone recording. Lastly, there is a little random cv controlled radio added into the mix for good measure.

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