MATRIXSYNTH: Similis - Chords


Monday, October 13, 2025

Similis - Chords


video upload by DecadeBridge

"Similis is a lofi synthesiser that has 6 different presets.

This is an example of the 'chord' preset.
The first control sets the root note of the chord. The second selects 1 of the 10 chords available (5 major variations and 5 minor). The third control sets the volume of the notes that make up the chord except the root. Each of these controls has a CV input.
Here the root note is controlled by the keystep pitch. The VCA is being gated by the keysteps gate out. The volume of the chord notes are controlled using the mod wheel."

https://decadebridge.etsy.com/



"Similis is a lofi chip tune synthesiser that uses basic waveforms to generate it's sound.

Features:-
6 different settings (TYPE) from stacked oscillators to chords to self sequencing.
The setting selection can also be stepped using a trigger/gate signal for some odd patch skipping.

Each control can also has a CV input for connecting external gear.

Settings 1-3 deal with stacked oscillators.
3 oscillators with independent pitch. Sine, Saw and Triangle waves.
3 stacked oscillators. The first sets the root note and the other two are detuned plus and minus from the root.
The two detuned oscillators can be faded in.
Chords. The first oscillator sets the root note. The second control sets the chord (5 major chord variations and 5 minor) The amount of voices in the chord can be altered using switch C. The chord notes can be faded in to give a swell effect.
Settings 4-6. Simple sequencing.
The last three patches are random sequencers. The first is free running. Select between, chromatic, major and minor scales. The range and rate of the sequence can be altered and a second oscillator can also be brought into the sound.
The last two patches substitute the rate control as a mix for other voices. A short trigger signal is needed to tell Similis to choose a new random note/s within it’s selected scale.

The output is run through a 3 position passive LPF which turns into a Low pass gate when the VCA switch is down and a CV signal is connected to the VCA input."

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