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Thursday, October 06, 2016

Patch Notes #22 - Eurorack Sequencer in Ornament & Crime

Published on Oct 5, 2016 Voltage Control Lab

"Patch Notes #22 explores the Quantermain mode in the polymorphic Ornament & Crime module, a 4 channel Eurorack pitch quantizer with 48 different scales and some amazing hidden features.

Ornament & Crime is in Quantermain mode, of course. Trigger3 and CV3 are receiving cv and clock out from the DU-SEQ, fitting the sequence into an Ionian scale and then out from channel C to the pitch input on the Noise Engineering Basimilus Iteritas. The clock for the sequencer as well as the pattern sequence for the BI are being controlled via Reaktor Blocks and the F1 controller seen in the distance.

The gate out on the DU-SEQ is routed to Mutable Instruments Braids trigger input. Channel D on the O&C is set to Turing Machine mode, instead of receiving pitch cv from another source. This mode randomizes a stepped series of cv voltages, and can freeze a certain number of steps and loop them. This mode is routed out from channel D to Braids. To enable some control over the randomization and looping, I routed a row on Make Noise Pressure Points to CV1 on the O&C and selected CV1 as the voltage source for the channel D Turing probability. A specific step on the PP is selected, so that corresponding knob can be used as a voltage offset, locking the random Turing sequence into a loop.

Braids is then routed out to the Vintage Synth Lab VCF-74, and on to the Mutable Instruments Warps running the Parasites alt firmware in delay mode. So beefy.

Another trigger sequence from Blocks is routed out of the Audio 10 DJ (NOT a DC coupled interface) to the Malekko ADLFO, which is controlling the noise hihat in the Roland Scooper. Yet another sequence is routed to the second channel on the ADLFO, with one envelope routed to the Scooper kick drum (see our Roland Aira Drum Machine tutorials) and a second envelope routed to the FM input on the Tiptop Audio Z-3000. The square wave out is routed to the Make Noise Optomix, which is also being modulated by an envelope on the ADLFO, and then down to the Malekko Mix 4 with the rest.


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