MATRIXSYNTH: Eplex7 Klerhaim N1 Analog Plugin Synthesizer VSTi & Modeling the Behavior of Electrical Circuits

Wednesday, February 10, 2021

Eplex7 Klerhaim N1 Analog Plugin Synthesizer VSTi & Modeling the Behavior of Electrical Circuits


video by Eplex7 DSP

The above video does a good job at showing how modelling analog circuits is more than just generating the equivalent compoents in software.

via Eplex7:

"Basic code cannot behave like electricity in real analog circuits. That is a reason why we developed our own virtual circuit technology. We have emulated individual circuits, electronic components, modules of synthesizer and analog behavior in various situations, noises, feedbacks, interfering signals, etc. In real analog synthesizers everything is moving, changing, modulating, living... analog synth is like a living organism. Nothing is static. The electricity and circuits are in constant "chaos".

Klerhaim N1 is not an exact emulation of an existing analog synthesizer. Eplex7 preferred to analyze more than 5 analog synths of vintage 60s, 70s and 80s era. The analyze of individual circuits (oscs, filters, LFOs, envelopes, etc.) not just output sound and combine various different vintage analog circuits to one complex synthesizer VST plug-in emulation."

The following is a playlist of some demos of the Klerhaim N1:



And the press release:


Eplex7 DSP Klerhaim N1 – analog VST plugin synthesizer with virtual circuit emulation technology

There are many analog emulation synthesizers available, but unfortunately 99,5% of them are far from real analog hardware synths (sounding sterile, digital, cold, boring, robotic, uniformly, numb and sharp).

Why?
Firstly because they are made by coders, not electronic engineers. They perfectly understand the code but not circuits, electronic components and physics. We are both: programmers and educated electronic engineers with more than 18 years of experiences.

And also... basic code cannot behave like electricity in real analog circuits.

That is a reason why we developed our own virtual circuit technology. We are emulating whole analog circuits, electronic components and modules of synthesizer + their behavior in various situations, noises, feedbacks, interfering signals etc.

In real analog synthesizer everything is moving, changing, modulating, living...analog synth is like a living organism. Nothing is static. The electricity and circuits are in constant “chaos”. Analog oscillator waveforms are not precise, sharp and always the same like in digital synths. They are changing their shape, have a noise, harmonics, ringing, modulating their tone / pitch, volume etc.
Also output from oscillator module is saturated. It is not just output of whole synthesizer but output of every circuit / module. More volume of oscillator = more saturation and color.
Analog envelopes (modulating filter, amp or pitch) are not linear like in digital synths. They are exponential and changing their shape in time / different one with every different note. Including some noise and harmonics too. The peaks / spikes are not digitally sharp but analogue round.
The filters are creating small distortion / harmonics. They are not perfectly stable. The values are changing 0,1%. Including is the noise and output is saturated. Simply everything is “living” in analog synthesizer because of laws of physics / electricity. Every note sounds a little bit different, that is why analog sound is rich, organic, warm, fat and like real instrument.
We have successfully emulated analog behavior, individual circuits and electronic components.
Klerhaim N1 is not exact emulation of one existing analog synthesizer. We preferred to

analyze more than 5 analog synths of vintage 60s 70s and 80s era. The analyze of individual circuits (oscs, filters, lfos, envelopes, etc.) not just output sound and combine various different vintage analog circuits to one complex synthesizer VST plug-in emulation.
Top features:
- 2 analog type voltage controlled oscillators with saw, triangle, square, ramp, pulse 1, pulse 2 waveforms, volume control, octave selector, fine-tune control, LFO mod control, on / off switch
(with complete analog emulation behavior like saturation, noise, harmonics, automatic pitch modulation / interference, etc.)
- Analog temperature control (emulation of circuit temperature – more temperature = more noise and interference signals)
- pink / white noise generator + on / off switch
- Analog exponential amp envelope with attack, decay, sustain, release controls and 7 different shapes of envelope for different sound / different type of modulation
- Analog exponential filter envelope with attack, decay, sustain, release controls and 7 different shapes of envelope for different sound / different type of modulation
- Voltage controlled low pass analog emulated filter with 12 / 24db slope and slope selector. With cutoff, emphasis, tracking and envelope mod. Controls
- 2x LFO (with saw, triangle, square, ramp, pulse waveforms) speed and depth control
- Output analog saturation
- Glide and pitchbend controls
- preset manager with 100 presets (leads, bass, brass, stabs, acid, fx, special vintage sounds, keys)
- 2 versions available, classic and soft sounding (with softer vintage transients / peaks)
Product page / download demo version:
https://eplex7.com/klerhaim-n1-analog-vst-plugin-synthesizer/
Price: 59 €. There is an introductory price for first 100 customers of: 29,90 €.

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