How to synthesize the Dune 2 Duduk on a 50 year old synth (ARP 2600 patch walkthru)

video upload by loopop

"Don't have an ARP 2600? Download a multisample of this patch on my Patreon:

► https://www.patreon.com/loopop

Thanks to Isak for the inspiration for this patch:
► https://www.instagram.com/isak_madeon...

TIMELINE:
0:00 Intro
0:45 Oscillators
1:20 Envelopes
1:40 Reverb
2:00 Unfiltered noise
2:40 Edge of clipping
3:35 Aftertouch vibrato
4:40 Filter type
4:55 Outro

Corsynth Drum Modules + Transistor Mixer

video upload by NOISEBUG

"Corsynth - Massive Drums + Harmonic Mixer

The Corsynth drum collection for MU format modular sounds nothing short of massive! Especially when all drums are patched into the Moog-Style C111 mixer. Feed the mix back into itself and quickly witness the clean analog saturation get completely destroyed (in a harmonically satisfying kind of way)

The Corsynth drum modules are available now at Noisebug.

The DR-01 Bass Drum is the first of a new series of Corsynth modules dedicated to analog drum synthesis and it’s also the first module of this kind commercially available in MU format. Create a drum sounds from scratch using a modular synthesizer is always time and resourcing consuming. With the DR-01 you will save a lot of space, money and modules that can be used for other purposes. The DR-01 has all you need to create bass drums , toms a many other percussive sounds in just one single space. And thanks to the Tune CV input is even possible to use the DR-01 to create bass lines. Punchy techno drums, industrial drums, drum sounds of the firsts analog drum machines, FM sounds... With the DR-01 is really easy to get the sounds that you need at every moment. All the parameters in the module have been carefully chosen to be used in a drum synthesis context (envelope times, oscillator frequencies, oscillator waveform etc ). These are the DR-01 Bass Drum main features:
* A voltage controlled oscillator with dedicated CV input for tuning.
* A voltage controlled timbre circuit.
* A dedicated tune modulation envelope.
* An amplitude envelope with three different settings for the attack time.
It’s time to add drum sounds to your synth sequences! .

The DR-02 Snare Drum is the second module in the DR series dedicated to analog drum synthesis. This module is designed to synthesize electronic snare drum sounds of any kind. From the classic preset drum machines from the 70s to TR-XXX, electro snares, zaps... But thanks to its 12 knobs and 3 CV inputs the DR-02 Snare Drum can synthesize much more than snare drums, sounds like hit-hats, toms, cymbals , congas, FXs are also possible and even it can be used as an oscillator. The DR-02 is composed for two different sections , Head and Snare each of them with its own volume control. The Head section has two voltage controlled oscillators with a fixed frequency interval between them. One modulation envelope to modulate the oscillators tuning and one VCA with an AD envelope to control de decay of the snare head. The Snare section is composed by a noise generator , two voltage controlled filters connected in series ( one 12db resonant high pass filter and one 6db non- resonant low pass filter). One envelope to modulate the high pass filter cutoff frequency and one VCA with an AD envelope to control de decay of the snare.

The DR-03 Hi-Hats / Metal is the third module in the DR series dedicated to analog drum synthesis. It is designed to synthesize Hi-Hats and metal percussion like cowbells or cymbals and even FX. Three different voices are available at the same time Closed Hi-hat, Open Hi-hat and Metal plus a Hi-Hat mixed output .

Hi-Hats To synthesize a Hi-Hat there is a key element that defines the final result, the primary sound used to create it. The DR-03 has three possible sound sources , a white noise generator, a mix of six square wave oscillators and a mix of ring modulated square wave oscillators. These three sound sources, together with the VC Band Pass filter and the Low Pass Filter allow the DR-03 to create a wide range of hi-hat sounds. Another interesting feature is that the Open Hi-hat decay time is voltage controlled and it can be triggered independently or conditioned to the Closed Hi-hat. Metal The Metal sound is created using two ring modulated square wave oscillators and a VC Band Pass Filter. The frequency of one oscillator can be manually controlled and the other one has a fixed frequency. The variable oscillator can modulate the cutoff of the BPF to create metallic FM sounds.

#synthesizer #modularsynth #synth #mumodular #dotcom #corsynth #5u"

https://www.noisebug.net/

SonicWare Liven Mega Synthesis - Sonic LAB Review

video upload by sonicstate

"Sonicware Liven Mega Synthesis is inspired by and emulates the classic sound of the Sega Mega Drive from gaming's yesteryear. many people will have a fondness for the crunchy PCM , FM and reduced bandwidth of those cartridge games. @SONICWARE have been n a roll with their specialized groovboxes and this one takes that sound world and fully inhabits it.

With input from legendary game soundtrack composer Yuzo Koshiro, the Renowned Composer known for the "Ys", "The Streets of Rage" and "Etrian Odyssey", who has Contributed Sound Banks and Patterns.

Who better to look at this than @magicalsynthadventure3216 who's deep into retro digital synthesis? Thanks to @Kim_Justice for the game footage

The Mega Synthesis is battery powered or PSU,has 320 FM game sounds, sorted into 20 categories, and 64 diverse drum kits for the PCM track.

- 128 patterns - Up to 128 steps per pattern
- Step length can be set from 1/1 to 1/32
- Real-time recording

Sound Engines:
4-operator & 8-algorithm FM sound module with precise sound editing in Edit Mode
Including extra features like fine-tuning operator ratios, which was impossible at the time.

8-bit PCM sound part of YM2612
Recreate the sound of PCM playback controlled by the Z80 microprocessor used at the time. Sampling capabilities (8-bit - 12kHz: upto 8 secounds / 24kHz: 4 seconds / 48kHz: 2 seconds, 96 stored samples)

PSG (Programmable Sound Generator) sound module
Synthesize basic waveforms and white noise to recreate iconic retro-game-sounds.

Available for pre-order in batches priced at $329

https://sonicware.jp/pages/liven-mega..."

KORG Introduces the KingKORG NEO!

video uploads by Korg

"KingKORG NEO packs the power from the legendary virtual analog synth KingKORG into a compact 37-full size key synth, with new sounds, a 16-band vocoder, effects, and virtual patching.

At your fingertips is deep sonic exploration with the intuitive front panel equipped with dedicated knobs and screens, 3 oscillators with 138 different oscillators types to choose from, and 18 classic synth filters, including iconic models such as MS-20, TB303, SEM, Minimoog, and Prophet 5, faithfully recreated through KORG's advanced XMT engine."

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Hexinverter - VCNO

video upload by NOISEBUG

"This is the Hexinverter VCNO, a rather unique noise oscillator. The VCNO generates its noise through a pseudorandom sequence of bits using discrete analog hardware. The first half o fthe video show the filtered noise outputs used to synthesize chiptune-esque percussion sounds, while the latter half showcases the gate output of the VCNO into a sequential switch creating rhythmic bursts.

The VCNO is available now on our website and our Reverb shop!

https://www.noisebug.net/products/eri..."

NOISEBUG Reverb

Corsynth Audio Demos

video uploads by Corsynth

Playlist:

CORSYNTH C101 OTA LOWPASS FILTER - Audio Demos

Corsynth C101 and C101B audio demos. The C101 OTA Lowpass filter MKII is a four pole low pass filter based on four cascade OTA-stages. MU Format More info : http://www.corsynth.com

CORSYNTH C102 VC LFO - Audio Demos

The C102 VC LFO is a voltage controlled low frequency oscillator with five waveforms available simultaneously.

CORSYNTH C103 Frequency Divider / Multiplier MKII - Audio Demos

The C103 Frequency Multiplier / Divider MKII includes two frequency dividers and two frequency multipliers.

CORSYNTH C104 Odyssey of Sound VCO - Audio Demos

The C104 Odyssey of Sound VCO is a voltage controlled oscillator based in the discrete core of the ARP VCOs

CORSYNTH C105 VC Noise / Lo-Fi MKII - Audio Demos

The C105 VC Noise / Lo-Fi Machine MKII is a voltage controlled analog sample rate reducer , sample and hold and a VC Noise generator.

CORSYNTH C106 Dual Loopable VC AD Envelope - Audio Demos

The Corsynth C106 Dual Loopable VC AD Envelope it’s a really versatile module. It’s not only a Dual Voltage Controlled Attack / Decay envelope, it’s also a dual VC LFO, an audio generator, a complex contour generator, a dual pulse delay, a voltage controlled AD envelope with adjustable delay and more….

CORSYNTH C110 2044 VCF - Audio Demos

The C110 2044 VCF is a four pole low pass filter based in the classic filter SSM2044. This filter chip is responsible for the sound of some well known polysynths from the 80s like the Korg Mono/Poly, Korg Polysix, Korg Trident, PPG Wave 2.2 and 2.3, EMU Emulator I, Kawai K3 and Sx-240, Siel Opera 6….

CORSYNTH C113 West Coast Timbre - Audio Demos

A wavefolder is a non-linear waveshaping circuit that allows to create rich harmonic waveforms. Its a distortion circuit that folds back the signal when it reaches a certain level.

CORSYNTH C114 T-Mixer - Audio Demos

The C114 T-Mixer is a four channel transistor based mixer. The design is based on the classic Moog CP3 mixer but adapted to modern modular signal levels. The CP3 mixer was a key factor in the classic Moog modular sound.

CORSYNTH DR-01 Bass Drum - Audio Demos

The DR-01 Bass Drum is an analog drum module in MU format. The DR-01 has all you need to create bass drums , toms a many other sounds

CORSYNTH DR-02 Snare Drum - Audio Demos

The DR-02 Snare Drum is designed to synthesize electronic snare drum sounds of any kind. From the classic preset drum machines from the 70s to TR-XXX, electro snares, zaps…

CORSYNTH DR-03 Hi-Hats / Metal - Audio Demos

The DR-03 Hi-Hats / Metal is designed to synthesize Hi-Hats and metal percussion and even FX

Moog Prodigy 336A SN 7113 w/ Sequential Style Knobs

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Moog Prodigy model 336A monophonic synthesizer in good working condition. Produced by Moog from 1979 to 1984 and only 11,000 were made.
The synthesize features a dual voltage-controlled oscillator design to deliver classic analog sounds with easy-to-use controls. Oscillator 1 has sawtooth, triangle and pulse waveforms. Oscillator 2 has sawtooth, triangle and square waveforms. The waveforms can be detuned and the oscillators can be synchronized. In sync mode, the pitch wheel alters the tonality of the pitch as opposed to the pitch itself. There are Oscillator Mod, Mixer, Filter, Filter Contour and Loudness Contour control sections, as well as Tune and Slide Wheels. The Prodigy features a genuine Moog four-pole 24dB/octave lowpass filter (the Emphasis knob), A/D/S envelope generator, and LFO with square or triangle waveforms and routing to the VCF, VCO, or both. The synthesizer features both Pitch and Mod wheels."

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Introducing Objekt Modeling Synthesizer for Reason!

video upload by Reason Studios

"Synthesize reality with Objekt, a physical modeling synth for new and unique acoustic sounds. Discover the character of organic instruments and real-world materials. Dynamic, playable, and easily customizable.

Producers and beat makers are on the hunt for new sounds with an acoustic flavor. Sounds that can’t be easily duplicated by just any plugins or samples. That’s why Objekt doesn’t play back pre-recorded instruments, it synthesizes them.

Explore hundreds of patches ranging from bells, mallets, percussion, stringed instruments and more. Move any parameter to see what happens. Where you end up might sound familiar or like an imaginary instrument that doesn’t exist. Until now."

Learn Physical Modeling Synthesis with Objekt from Reason Studios

video upload by Reason Studios

"Objekt Modeling Synthesizer for Reason is a whole new type of synthesis for most people but that's why we packed it into the form factor that would be both easiest to learn and most powerful when you've got it down — a classic Reason Rack synth.

In this deep dive, Ryan will show you how to get started with physical modeling synthesis and how you can either build sounds from scratch if you're a sound designer or modify existing sounds in entirely new ways if you're a musician looking to get inspired.

Contents of this video:

0:00 - Introduction
1:53 - Real world sounds
3:16 - Basic Objekt patch
7:12 - Objekt’s mixer
8:38 - Exciter Impact section
13:55 - Exciter Noise section
18:40 - ADSR vs CPDDD
24:27 - Randomizer
27:41 - Tuning offset"

Objekt is an open-ended physical modeling synthesizer, meaning it models the properties of acoustic instruments and gives you control over those as parameters. Instead of choosing between pre-made options, it opens the hood to the inner workings of physical modeling synthesis so that you can experiment and approach it like what it really is: a synthesizer.

At the heart of Objekt are three resonating objects, think of them like the instrument itself, with in-depth control to create anything from a string or bell to a skin or something yet unheard. The instrument is then set in motion by the Exciter section. From the short impact of a stick to a wash of noisy static, the Exciter lets you play the instrument in dynamic and wonderful ways. Tweak the sound to suit your needs or invent entirely new instruments with just a few parameter changes. Objekt generates all sound in real time without relying on pre-recorded samples which makes it dynamic, playable, and easily customizable—but also fast and lightweight.

Need somewhere to start? Explore over 500 expertly crafted patches covering a wide range of sounds. Objekt excels at both realistic reproductions and new imaginary instruments that doesn’t exist. Until now. Move any parameter to see what happens. Use the powerful randomizer to slightly alter a patch or morph it to a brand new direction. Start from scratch and see where you end up. Objekt’s designed to be explored on your terms.

Objekt is perfectly integrated into the Reason Rack workflow with the familiar browser, native undo, CV and audio cables, and more. You can even connect any audio signal to the External Input and use any sound to excite the instrument’s resonators to incredible effect, think of it like an “acoustic vocoder”.

Features
Open-ended physical modeling synthesis for unique acoustic sounds
Dynamic, lifelike, and easily customizable
Powerful randomizer for instant variation and inspiration
Over 500 included patches
Included with Reason+
Requires Reason 10.1 or later. The included Combinator patches require Reason 12.

New from Neuzeit - Warp Additive and Wavetable Eurorack Module

*** Release date September 2023! ***

Pre-order at a dealer of your choice. See the dealers on the right.

"Next-level synthesizer voice with a novel engine for additive wavetable synthesis

Warp uses a novel hybrid engine that combines the best of additive and wavetable synthesis. With the integrated editor you can playfully draw your own frequency spectra like on a canvas into the colorful XY sound palette. Warp is a feature-rich powerhouse that lets you create all kinds of sounds, from glassy clean to crunchy crunch. Thanks to expressive macro tone controls, extreme morphs are possible in a single pot turn.

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Dave Smith Instruments Poly Evolver 61-Key 4-Voice Polyphonic Synthesize SN 00940

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

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Synthstrom Deluge - Drum Synthesis

video upload by Easy Tiger

"In this video I'm trying to synthesize the different instruments of a acoustic drum set using the internal synth of the deluge.

If you ever wondered what the PW setting on the deluge does for sine, triangle and saw there's also a small segments on that topic in this video

0:00 Intro
1:00 Bassdrum
7:05 Snare
12:32 Hi Hats
15:57 Shaker
18:33 Tom (FM Synth)
21:47 Tom (subtractive synth)
25:44 pulse width for sine, triangle and saw
28:50 a weird sfx sound
33:15 outro jam"

Korg Nautilus – STR-1 plucked string sound engine

video upload by Korg UK

"Based on Korg’s history of physical modelling, the STR-1 sound engine within Nautilus uses struck and plucked string modelling to produce sounds that respond to a player’s touch in a way simply not possible with traditional PCM sound generation.

This sound engine shines at producing sounds whose tone responds to your touch in ways that are difficult for a PCM sound engine to reproduce: acoustic guitar, electric guitar, harpsichord, clavinet, harp, bell, as well as ethnic instruments. It also goes much further, allowing you to synthesize and modify sounds that do not exist in reality. This is a sound engine of the future, one that allows the synthesizer programmer to construct truly new sounds."

Qu-Bit Aurora | Spectral Reverb & Space Synthesizer

video upload by Cinematic Laboratory

"For me, there's nothing like plugging a reverb in my case that has a different approach to 'space'. There are procedural reverbs like Desmodus, Z-DSP, FX-AID and StarLab, there's convolution reverbs emulating real space by room measurements - and now there's a spectral reverb. It analyzes the incoming sound with a mathematcial FFT algorithm (extracting frequencies over time, creating a spectrograph) and then uses an engine (the phase vocoder) to synthesize a delay line. So it's unnatural by design, but this opens up many ways to alter the spectrum in real time, like slowing it down, pitching it, etc. I hope you'll enjoy this 'first patch' tour!

The Spectral Editor shown in the video is Izotope RX. It's the #1 sound restoration tool. Izotope also features Iris 2, a synthesizer using the same spectral techniques for music.

This video contains a snippet of Hans Zimmer's 'Time', arranged and performed by myself. It's used for educational purposes. This is an educational channel, monetizing is off and this video is not sponsored by anybody."

Some tweak time with the Yamaha CS30

video upload by Hanz Volt

"If you love to spend time understanding exactly how your synthesizer reacts to all parameter combinations so you can synthesize exactly what sound you want… then this synth will keep you exploring for a very long time. 2 VCO, 2 VCF, 3 ENV, 8 step sequencer. Inverted envelopes.. serious cross modulation, an LFO… the filters can be assigned to an envelope and that envelope modulated by the sequencer! LP BP HP stereo filters😮 and more🤯"

Yamaha CS01 II

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"The MKII with adjustable resonance in the filter section. Use as key tar with the strap lugs or plop in some batteries to synthesize on the road!!"

Demo in the video posted here: Yamaha CS01-II analog synthesizer review

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Future Retro Vectra Rippin' Sounds

video upload by FutureRetroSynths

"All sounds in this video were recorded directly from the Future Retro Vectra Synthesizer. No additional EQ, Compression, or Effects were used. These sounds contain low frequency content, listen with a subwoofer to appreciate.

It's interesting to note that while the Vectra does not have a built in distortion stage as many of our other products are well known for, the Vectra's oscillators are powerful enough to synthesize many different forms of distortion all by themselves using our one-of-a-kind Phase-Slice modes.

This video highlights quite a few of these more aggressive sounds, most of which will use only one or two oscillators.

Some of the new complex vector synthesis patches sound amazing.

Enjoy!"

Patch of The Week: 'Filter Drums' Part 1 - Analogue Cowbell w/ Fixed Filter Bank 914 (& VCF Clave)

video upload by AJH Synth Official

"This week's patch is the first of a short series showing ways to use filters for vintage rhythm/drum machine percussion style sounds, beginning with an analogue cowbell-type sound using the Fixed Filter Bank 914.

00:00 Patch of The Week: 'Filter Drums'
02:07 Patch Sheet

Some filters can be used to create tones without any input sound, simply by pushing them into self-oscillation (raising resonance beyond it's threshold point), but the Fixed Filter Bank is not a regular filter/VCF, so it works a little differently. Rather than controlling the overall frequency of the filter, each of it's bandpass filters has a preset frequency, for which you control the level. On the AJH Synth module they are deliberately tuned to one of two pitches when pushed into feedback, which makes it more musically useful. Here, I mix in some white noise to add texture to the feedback frequencies.

For comparison, I also included the Ladder Filter here to demonstate how a typical VCF (which can self-oscillate) can be controlled by a sequencer, with the steps controlling the pitches it produces. The point is that either module has it's advantages when used to synthesize particular sounds. In this video the ladder filter is producing simple tuned claves."

Patch of The Week: No-Input Filter Drums Part 2 - Using VCF Self-Oscillation to create Percussion

video upload by AJH Synth Official

"This week's patch shows some ideas for using self-oscillating analogue filters to produce vintage drum machine inspired sounds, the basis of which can be used to emulate such sounds as the clave, bongo, cowbell, and kick/bass drum of early rhythm boxes. I used the sounds of the Roland CR-78, TR-77 and Acetone FR-2L as inspiration here, but in a later Patch of The Week video I'll be recreating some sounds of 70's machines more directly, using VCOs and noise sources. In the meantime, the methods contained here might be of interest to those wanting to make some simple percussive accompaniment with a limited number of modules. At the end of the video I'll show some vintage-inspired patterns using the modular as a 4 voice drum machine, without needing to use samples or a sampler. Patch notes and link to downloadable patch sheet below.

Index:
00:00 Intro
00:25 VCF Clave
01:12 Fixed Filter Bank Bongo/Cowbell
02:27 Gemini 2412 Bongo
03:20 VCF Kick/Bass Drum"

Clavia Nord Modular Keyboard SN 99040861

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

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Acids Neurorack - The First Deep AI-based Eurorack Synthesizer

video upload by Acids Team - Ircam

Note Artisan Electronics has a Neurorack module system (4:52 here), however it does not appear to be AI based. There is also this user labeled Eurorack system with "brainwaves/EEG signals as source of modulation (the Neuro portion of it)", but again no AI (there is also soundmachines' BI1brainterface (no AI). (Update: there was also the Hartmann Neuron and Jomox Neuronium, both based on neuronal networks.) As for AI applied to synthesis in general, you can find posts mentioning artificial intelligence here. I believe the earliest reference would be John Chowning in 1964: "Following military service in a Navy band and university studies at Wittenberg University, Chowning, aided by Max Mathews of Bell Telephone Laboratories and David Poole of Stanford, set up a computer music program using the computer system of Stanford University's Artificial Intelligence Laboratory in 1964."

Description for the above video:
"The Neurorack is the first ever AI-based real-time synthesizer, which comes in many formats and more specifically in the Eurorack format. The current prototype relies on the Jetson Nano. The goal of this project is to design the next generation of music instrument, providing a new tool for musician while enhancing the musician's creativity. It proposes a novel approach to think and compose music. We deeply think that AI can be used to achieve this quest. The Eurorack hardware and software have been developed by our team, with equal contributions from Ninon Devis, Philippe Esling and Martin Vert."

https://github.com/ninon-io/Impact-Synth-Hardware/
http://acids.ircam.fr/neurorack/

More information

Motivations
Deep learning models have provided extremely successful methods in most application fields, by enabling unprecedented accuracy in various tasks, including audio generation. However, the consistently overlooked downside of deep models is their massive complexity and tremendous computation cost. In the context of music creation and composition, model reduction becomes eminently important to provide these systems to users in real-time settings and on dedicated lightweight embedded hardware, which are particularly pervasive in the audio generation domain. Hence, in order to design a stand alone and real time instrument, we first need to craft an extremely lightweight model in terms of computation and memory footprint. To make this task even more easier, we relied on the Nvidia Jetson Nano which is a nanocomputer containing 128-core GPUs (graphical unit processors) and 4 CPUs. The compression problem is the core of the PhD topic of Ninon Devis and a full description can be found here.

Targets of our instrument
We designed our instrument so that it follows several aspects that we found crucial:

Musical: the generative model we choose is particularly interesting as it produces sounds that are impossible to synthesize without using samples.

Controllable: the interface was relevantly chosen, being handy and easy to manipulate.

Real-time: the hardware behaves as traditional instrument and is as reactive.

Stand alone: it is playable without any computer.

Model Description
We set our sights on the generation of impacts as they are very complex sounds to reproduce and almost impossible to tweak. Our model allows to generate a large variety of impacts, and enables the possibility to play, craft and merge them. The sound is generated from the distribution of 7 descriptors that can be adjusted (Loudness - Percussivity - Noisiness - Tone-like - Richness - Brightness - Pitch).

Interface
One of the biggest advantage of our module is that it can interact with other synthesizer. Following the classical conventions of modular synthesizers, our instrument can be controlled using CVs (control voltages) or gates. The main gate triggers the generation of the chosen impact. Then it is possible to modify the amount of Richness and Noisiness with two of the CVs. A second impact can be chosen to be "merge" with the main impact: we will call this operation the interpolation between two impacts. Their amounts of descriptors are melt to give an hybrid impact. The "degree of merging" is controlled by the third CV, whereas the second gate triggers the interpolation.

Altair 231 Russian MOOG MODEL D w/ MIDI Case

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"legendary, very rare & powerful soviet analog synthesizer "ALTAIR-231". It is a 3-OSC monophonic precise equivalent of infamous western MINIMOOG MODEL D.

Synth has 4-octave keyboard (F-C) with velocity (sensitivity assign to vibrato effect). For live performance there is a wheel which provides pitch shift. ALTAIR-231 is based on 3-VCO (OSC-3 can work as the modulator), 1 VCF (lowpass 24dB/oct) with ADSR, 1 VCA, 3 LFO, noise generator (white/pink), glide, memory. It has an EXTERNAL INPUT allowing to use FILTER and GENERATORS with OTHER INSTRUMENTS such as guitars, synths, etc! ALTAIR-231 consists of 5 main sections - OSC, MIXER, MODULATION, FILTER and AMP.
(for all technical specifications check the "Features" section below).

The inclined desk is divided into the following functional sections: Modulator, Generator #1, Generator #2 or #3, Mixer and Amplifier. They give one a possibility to synthesize a broad spectrum of sounds and to change sounding at any time.
There are 3 internal audible signal sources in the instrument: to broad-ranged of the Generators with changed form of oscillations and a noise generator for creating a non-musical sounds such as wind, surf, whine, etc.

Possibility to connect an external audible signal sources to the synthesizer is provided for (e.g. guitars, electro pianos and electro organs). Sounds of different external sources are combined separately in the mixer in any ratio. There is a filter in the synthesizer with cutoff frequency control to change color of timbre of audilble signal over a wide range.

Both Estradin synths have fat and rich vintage analog sound with it`s own character and can be compared to Minimoog model D synthesizer.

ALTAIR-231 is one of the most impressive vintage Soviet synthesizers. It has inimitable peculiar sound and very powerful filters. A fat, lush and very analogue sound with the unique architecture of the Soviet-era components; in addition, highly reliable military technologies were applied in the process of production. The synthesizer is universal & may be used for hard electronic music, or for soft ambient/old school projects and for modeling various effects as well...endless possibilities"

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