MATRIXSYNTH: Clock 2 CV


Wednesday, December 23, 2009

Clock 2 CV


YouTube via wonkythomas
"Main Clock goes to Odd Divider (D)Mux, /2 goes to Even Div. (D)Mux. Control inputs are from /16 & /32 of the main clock.

2 outs from each of the Div. Muxes are fed into mixers, combined & drive a VCOs CV input.

In addition to straight clock divisions being mixed together, 2 of the demultiplexed Odd Divisions are being OR'd together, this combination is being slewed by an Oakley Lag & a VCS with the former controlling timbre & the latter being mixed into the Pitch CVs.. this is where the bendy notes come from.

The timbral modulation is just the Volatage Controlled Waveform of the Blacet VCO."

Clock 2 Seq

"Same as before, but now Odd & Even Divider (D)Muxes are being controlled by seperate sets of divisions of the main clock & the CV created by mixing the various pulses together is being quantized by a Miniwave.

Its much like a Binary Zone... but with a differant feel because of the odd divisions.

The cam. is sitting in front of the breadboarded output / LED buffers for the Odd Divisions; the green & red are straight off the demultiplexer, the purple is the OR of two of the other outputs."

Clock Seq CV Reset

" Another VCO is added, both are getting the same Quantized Pitch CV.

After about 30secs I don't alter the mix of pulses, but, there is one important addition to this patch, in fact one of my favourite techniques at the moment.

I tap off the Pitch CV & feed that into a 2 Bit ADC which takes a 0-10V signal & outputs two digital signals depending on the voltage. These two digital outs control the Reset Inputs on the Divider (D)Mux modules. So:

CV = 0V; neither Divider is reset,
CV = ~2.5V; the Even Divider is reset,
CV = ~5V; the Odd Divider is reset,
CV = ~7.5V & Both are reset.

After about 45secs into this vid I start altering the Offset voltage for the ADC, this voltage is combined with the incoming CV (our mixed down & quantized clock pulses) so the CV sequence changes the CV sequence = hours of fun for the whole family... so long as your family likes poppers & wigging out to squiggly voltages XD"

Clock Seq End Drum

"On & On... bass drum being triggered by the VCS End Out Pulse.

Shows the CV to Digital module in action; the Red & Green LEDs which flash more or less depending on whats happening with the sequence. Everything interacts with everything now. Change one of the amounts of Divided / Multiplexed / DeMultiplexed clocks being mixed into the quantizer & the divisions change, which changes what gets mixed in... happy mediums are arriveed at, iterations occur, wobble & drum are interlinked....

.... sometimes it might even sound musical!"

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