MATRIXSYNTH: Matrixbrute: Analog Stereo Delay & Harmonic Series LFO Waveshaping


Saturday, August 04, 2018

Matrixbrute: Analog Stereo Delay & Harmonic Series LFO Waveshaping


Published on Aug 4, 2018 Kris Lennox

"Try with headphones/read below for more details RE the patch. This one took quite a while to make. Despite the actual matrix itself looking like not much has been altered, what has been altered has been altered specifically i.e. to exact numeric values.

Delay should be obvious to the ear. When I'm off to the far right, this is me playing with the delay settings. I'm not actually doing too much with the delay, just playing with the depth.

LFO 1 is sitting on a square wave - hence you'll hear the jumps in pitch. Of course, sine etc would create the distinct 'sweep' - but I was looking for something different, and with pitch specificity rather than range sweeping.

LFO 2 is altering between triangle and sine waves. When on sine, the harmonic series can be heard. I programmed the series to run between the major 3rd (i.e. E if on C), and the upper 9th (i.e. D on C).

Playing with the phase of LFO 1 determines the harmonic content. I'm beginning with a hard phase inversion. At about 0:17 the low octave can be heard entering. At about 0:40 the perfect 5th enters. At about 1:37 I'm changing LFO 2 waveform to sine - at which point the entire harmonic series can be heard.

In terms of tuning, VCO 2 has a focus on the sub-osc - plus the LFO is pre-programmed to drop it the octave - hence it sounds far deeper.

VCO 3 is set to the major 3rd (i.e. E on C).

I'm doing almost nothing on the keys aside from changing the octave of C. Function here is to illustrate the programming rather than focusing on playing.

PS I'm sure most MB owners already know this, but holding in PANEL and pushing the PRESET button initialises the preset, then you can build from scratch.

All best
Kris"

1 comment:

  1. Sounds fantastic. Bet it did take a while to create. My MB for some reason won't produce delays, so I'd have to go outboard to try approximate your achievement. Well done, Kris.

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