Chulek synthesizer
| Chulek synthesizer | |
|---|---|
| File:Chulek.jpg Chulek Synthesizer | |
| Technical specifications | |
| Polyphony | 32 voices |
| Timbrality | Polyphonic |
| Oscillator | 2 + 1 sub-oscillator |
| LFO | 3, each selected from Triangle / Sawtooth / Square / Random / Sample and Hold |
| Synthesis type | Virtual Analog Subtractive |
| Filter | 1 Digital multi-mode filter |
| Attenuator | ADSR envelope |
| Velocity expression | Yes |
| Storage memory | 100 patches |
| Effects | reverb, delay, distortion |
| Input/output | |
| Keyboard | 49 keys |
| Left-hand control | Pitch bend, mod wheel |
| External control | MIDI in/out/through ,USB MIDI |
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The Chulek synthesizer is a 32-voice virtual analog synthesizer. The synthesizer features 49 keys, 2 oscillators, 1 sub-oscillator, 32 voices, arpeggiator, 3 LFOs, Filter, Stutter, Formant, Reverb, Delay and Distortion.[1]
Synthesizer Parameters
The synthesizer allows the control of 54 parameters:
| Section | Parameter | Type |
|---|---|---|
| - | Modulation | Wheel |
| Pitch | Wheel | |
| Mod | Knob | |
| Oct Up | Button | |
| Oct Down | Button | |
| Oscillators | Tune1 | Knob |
| Trans1 | Knob | |
| Voices1 | Knob | |
| Detune1 | Knob | |
| Tune2 | Knob | |
| Trans2 | Knob | |
| Voices2 | Knob | |
| Detune2 | Knob | |
| Sub | Knob | |
| Stutter | On/Off | Switch |
| Freq | Knob | |
| Resample | Knob | |
| Softness | Knob | |
| Arpeggiator | On/Off | Switch |
| Freq | Knob | |
| Gate | Knob | |
| Oct | Knob | |
| Pattern | Knob | |
| Mix | Vol1 | Knob |
| Vol2 | Knob | |
| Subvol | Knob | |
| Noise | Knob | |
| LFO | Mono1 | Knob |
| Mono2 | Knob | |
| Poly | Knob | |
| Filter | On/Off | Switch |
| Blend | Knob | |
| Resonance | Knob | |
| Cutoff | Knob | |
| Drive | Knob | |
| Depth | Knob | |
| Formant | On/Off | Switch |
| x | Knob | |
| y | Knob | |
| Feedback | Trans | Knob |
| Tune | Knob | |
| Amount | Knob | |
| Delay | Freq | Knob |
| Feedback | Knob | |
| Mix | Knob | |
| Reverb | Damp | Knob |
| Feedback | Knob | |
| Mix | Knob | |
| Distortion | Type | Knob |
| Drive | Knob | |
| Mix | Knob | |
| Master | Voices | Knob |
| BPM | Knob | |
| Volume | Knob |
Synthesis Model
The synthesizer works with different types of synthesis. In one mode, it works with subtractive synthesis, where complex waveforms are generated by oscillators and then shaped with filters to remove or enhance specific frequencies in the spectrum. Subtractive synthesis is considered as "rich" and "warm".[2]. In another operating mode, the synthesizer's internal engine works with additive synthesis, where two waveforms, usually sine waves, are combined.[3]
The synthesizer's internal 2 oscillators can be set to different waveforms via the touch interface, that includes sawtooth, pulse (modulatable width), triangle, white noise and a combination of those. A mixer allows the users to blend different waveforms plus a sub-oscillator and noise generator, similarly to mixer in the Roland SH-101. Despite the fact that pulse-width modulation is common for virtual analog synthesizers, the touch shaping options for the sawtooth and triangle are unique to the Chulek's synthesizer.
The built-in arpeggiator allows the control of: frequency, octave and melody.
The touch-screen Low-frequency oscillators (LFOs) produce waveforms used to modulate parameters, which can be assigned to any parameter such as the pitch of oscillators, which can be used to produce vibrato.[4]
The outputs of the oscillators are processed through a multimode filter. The user can select the filter to a low-pass filter, high-pass filter, or band-pass filter. The filter has a dedicated ADSR envelope generator and can also be modulated by LFO or the modulation wheel via the touch interface.
The Chulek's LFO can be assigned to any parameter, including modulation, filter cutoff, pitch, amplitude and any other parameter available in the touch interface. Different types of wave shapes are available for the LFO.
References
- ↑
Lightsey, Troy. Encyclopedia of Synthesizers. Lulu.com. ISBN 1329540727. Search this book on
- ↑ "All you need to know about subtractive synthesis". MusicTech. 2019-06-04. Retrieved 2020-11-23.
- ↑ Crute, Adam (2019-07-03). "Introduction to additive and phase distortion synthesis". MusicTech. Retrieved 2020-11-23.
- ↑ Vail, Mark (2014). The Synthesizer. Oxford University Press. ISBN 978-0195394894. Search this book on
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