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The O-Coast from Make Noise has become a hot commodity this summer. The semi-modular table top synth features elements of some of the company’s most revered instruments, like the DPO, Wogglebug and Optomix. The Slope and Contour sections closely resemble channels 1 and 4 on Maths (a module so cool, we created a course around it!). And like Maths, we can trigger the Slope section, in this case using an audio rate square wave as the trigger source.
By pulsing the attack/decay envelope at an audio rate, we trigger it’s rise and fall at the same rate as the main oscillator, syncing the frequency. When the Slope output is routed to the balance section input (bypassing the oscillator fundamental triangle wave) we hear the result of the Slope sync, generating harmonics on the source frequency.
Using the Slope output on the 0-Coast, the oscillating wave shape resembles a tweak-able triangle wave, with a warm, clean tone. Of course, the EOC or End Of Cycle output can also be used, which generates something closer to a square wave. Using the Rise and Fall time, the pulse width of the wave can be manipulated, altering the shape of the wave and the resulting timbre.
Once cycling is engaged, the timbres produced by the Slope section get much more complex. When mixed at the Balance section, the Slope section and the Overtones from the Oscillator section can be mixed. With a bit of tuning, the two sections can appear to play separate sequences, using sub-harmonics from the Slope section while the main sequence plays from the Oscillator.
What kind of interesting routings are you using with the 0-Coast? Let us know in the comments!
And stay tuned later today for another big announcement!