MATRIXSYNTH: AJH


Showing posts with label AJH. Show all posts
Showing posts with label AJH. Show all posts

Sunday, June 30, 2024

The RadioPhonic: Sound Examples - Hans Zimmer's Eurorack system by AJH Synth now available.


video upload by AJH Synth Official

"Some sounds/patch examples created with The RadioPhonic - a synth commissioned by Hans Zimmer, recreations of which are now available to pre-order at https://ajhsynth.com/Radiophonic.html.

The RadioPhonic features 48 AJH Synth modules, including 8 envelopes, 7 VCOs, 6 LFOs, 6 VCFs, up to 7 VCAs, random voltage generators, random gates, phaser, fixed filter bank, dedicated noise oscillator, wave-folder, wave multipliers, audio and CV mixers, ring modulators, sub-octave generator, glide/slew, octave/semitone switching, multiples... and in a beautiful hardwood, well-powered Eurorack case.

The examples include: Some all-analogue Techno at 150bpm. A 6-oscillator stereo patch and various other patching. BBC Radiophonic Workshop (think early Doctor Who) inspired sounds using audio rate VCO modulation and ring mod with the Ring SM's ring modulator. The Gemini 2412 SEM-based dual multimode filter used in stereo. Vocal/human voice/choir sounds using the Transistor Ladder, Fixed Filter Bank, Sonic XV diode VCF and wave folder. Cross-fading and stereo panning with the Triple Cross module. Randomness from the Dual RVG, Chance Delay and Tap Tempo VC-LFO. Phaser sounds with the Next Phase, and finally a short 'Berlin School' performance inspired by Tangerine Dream, Klaus Schulze and Vangelis (loosely the Blade Runner CS-80 lead)

Index:
00:00 Introduction
01:07 150bpm Techno
02:23 6-VCO Stereo Voice
03:14 4-Voice Cross-fading & Panning
04:50 Next Phase stereo pad
06:56 Audio-rate and Ring Modulation
08:43 Vocal & Choir-like sounds
10:58 Inspired by TD, Schulze, Vangelis


Video by @DreamsOfWires"

Wednesday, June 19, 2024

The RadioPhonic - Drone Part 2: 'Rhythmic' (4-Analogue Voices, Self-Patched, Melodic)


video upload by AJH Synth Official

"Another in a series of example videos featuring The RadioPhonic - a synth commissioned by Hans Zimmer, recreations of which are now available to pre-order at https://ajhsynth.com/Radiophonic.html.

This is Part 2 to the earlier Cinematic Drone video. It is based on the same patch, but modified to add a rhythmic element, using the Chance Delay module for some random behaviour / probability. It is also completely self-patch (in the box), no sequencer or controllers are used.

The RadioPhonic features 48 AJH Synth modules, including 8 envelopes, 7 VCOs, 6 LFOs, 6 VCFs, up to 7 VCAs, random voltage generators, random gates, phaser, fixed filter bank, dedicated noise oscillator, wave-folder, wave multipliers, audio and CV mixers, ring modulators, sub-octave generator, glide/slew, octave/semitone switching, multiples... and in a beautiful hardwood, well-powered Eurorack case.

Video by @DreamsOfWires

The AJH SYNTH Eurorack modular range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.
Official website page: https://ajhsynth.com"

Sunday, June 16, 2024

The RadioPhonic - Sounds inspired by vintage Sci-fi soundtracks (see description for more info)


video upload by AJH Synth Official

"The RadioPhonic - A short performance of some sounds inspired by the early work of the BBC Radiophonic Workshop, specifically the TV series Doctor Who (a particular nod here to the story 'The Sea Devils'), and other Sci-fi/horror TV or movies from the 1960's to early 1980's.

This is the third of a few example videos featuring The RadioPhonic - a synth commissioned by Hans Zimmer, recreations of which are now available to pre-order at https://ajhsynth.com/Radiophonic.html. The RadioPhonic features 48 AJH Synth modules, including 8 envelopes, 7 VCOs, 6 LFOs, 6 VCFs, up to 7 VCAs, random voltage generators, random gates, phaser, fixed filter bank, dedicated noise oscillator, wave-folder, wave multipliers, audio and CV mixers, ring modulators, sub-octave generator, glide/slew, octave/semitone switching, multiples... and in a beautiful hardwood, well-powered Eurorack case.

Patch notes:
The ring modulator sound at the beginning uses the Ring SM's 3-way ring mod, where inputs Y and Z are both modulators. A triangle from a VCO is used, along with two sine waves created with the Gemini 2412, by setting both filters to self-oscillate. The frequency/pitch of these are then controlled by random voltages created with the Dual RVG. The Dual RVG also generates random gates simultaneously, which are used to trigger the VCA. This means all events it generates are in time with each other.

Video by @DreamsOfWires

The AJH SYNTH Eurorack modular range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.
Official website page: https://ajhsynth.com"

Tuesday, June 11, 2024

The RadioPhonic 'Cinematic Drone' - 4-Analogue Voices, Self-Patched, Melodic


video upload by AJH Synth Official

"Second of a few example videos featuring The RadioPhonic - a synth commissioned by Hans Zimmer, recreations of which are now available to pre-order at https://ajhsynth.com/Radiophonic.html.
This time a cinematic/movie soundtrack-inspired drone, with some simple melodic control, and just using the RadioPhonic self-patched, and no external controllers. The RadioPhonic features 48 AJH Synth modules, including 8 envelopes, 7 VCOs, 6 LFOs, 6 VCFs, up to 7 VCAs, random voltage generators, random gates, phaser, fixed filter bank, dedicated noise oscillator, wave-folder, wave multipliers, audio and CV mixers, ring modulators, sub-octave generator, glide/slew, octave/semitone switching, multiples... and in a beautiful hardwood, well-powered Eurorack case.

Video by @DreamsOfWires"

Sunday, June 09, 2024

The RadioPhonic by AJH Synth: Retro Techno in 7 Voices - All-analogue sounds


video upload by AJH Synth Official

"Here's the first of a few example videos featuring the synth commissioned by Hans Zimmer, recreations of which are now available to pre-order at https://ajhsynth.com/Radiophonic.html.

First some 90's-inspired Techno, just for fun, but to demonstrate how a complete performance is possible with this extensive system. 48 modules, including 8 envelopes, 7 VCOs, 6 LFOs, 6 VCFs, up to 7 VCAs, random voltage generators, random gates, phaser, fixed filter bank, dedicated noise oscillator, wave-folder, wave multipliers, audio and CV mixers, ring modulators, sub-octave generator, glide/slew, octave/semitone switching, multiples... and in a beautiful hardwood, well-powered Eurorack case."

Friday, June 07, 2024

Continuum & Osmose with AJH Modular - playing | Superbooth 2024


video upload by Anthony Marinelli Music

"Meet us in a bungalowdorf at Superbooth 2024 to hear the AJH Synth RadioPhonic (Modular Synthesizer) controlled by two of the most expressive controllers in the world - The Expressive E Osmose and Haken Continuum Fingerboard. You'll also meet my special guests Continuum Fingerboard inventor Lippold Haken, EaganMatrix Sound Engine inventor Ed Eagan and expert performer on these two instruments Joshua Madoff. Welcome to the world of ultimate expression of synthesizers with the slightest movement of your fingers to digitally control many parameters of a powerful analog sound!"

00:00 Cold Open - Josh Madoff playing AJH Modula with Osmose in unison mode
00:43 Intro - AJH Synth "The Radiophonic"
01:43 Intro - Lippold Haken, Ed Eagan, Joshua Madoff
02:18 Ed Eagan performs on the Osmose
03:06 The AJH Synth patch
04:38 Joshua Madoff performs on the Osmose
05:58 unison mode
07:30 Ed Eagan performs on the Continuum
08:57 Joshua Madoff performs on the Continuum
11:08 Thank you from Superbooth 2024
11:31 Summary
11:45 Logo (theme music)

https://www.anthonymarinellimusic.com

Tuesday, June 04, 2024

u-he CVilization Mode I: Musical demo (no talking)


video upload by u-he

"Here's a jam featuring our CVilization module in Mode I (4 x 4 Matrix Mixer). We're exploring the musical possibilities of the mysterious Matrix Rotation [posted here]. 4 different oscillator signals are routed through CVilization's matrix and distributed to various other modules. CVilization now rotates its inputs and outputs, creating ever-changing mixes of these oscillator signals. CVilization's sidekick Wiretap also joins the game with two of its outputs hooked up, creating some funky alternating envelopes.

modules in this patch:
u-he CVilization
u-he Wiretap
u-he Prototype Cascade Filter
ALM Pamela's Workout
Mutable Instruments Links
Mutable Instruments Plaids
Mutable Instruments Shades
Happy Nerding FX Aid
Happy Nerding MMM VCF
Intellijel µScale
Intellijel Dubmix
AJH Synths Next Phase
Dave Smith Instruments Curtis Filter
Xaoc Instruments Batumi
Xaoc Instruments Tallinn
Tiptop Audio Z8000
Instruo tòna
Make Noise Mimeophon

00:00 - Patch overview
02:44 - Jam"

Sunday, May 26, 2024

Destination Schiphol - Trip to Superbooth Pt1 (Eurorack Analogue Melodic Drone Improvisation)


video upload by DreamsOfWires

"Destination Schiphol - Trip to Superbooth Pt1 (Eurorack Analogue Melodic Drone Improvisation), all AJH Synth modules, Valhalla DSP 'Room' reverb, recorded live on 2 tracks, no overdubs.
Footage of my flight to Amsterdam, on my way to Superbooth 24, Berlin. I've almost no footage of SB itself, mostly just the travelling, which will also feature in Part 2 (maybe a part 3).
Support my music at https://tomorrowthecure.bandcamp.com."

Monday, May 20, 2024

SUPERBOOTH24: AJH Synth RadioPhonic


video upload by Sound On Sound magazine

"The RadioPhonic from AJH Synth was originally commissioned by Hans Zimmer to replicate the original BBC Radiophonic workshop at Maida Vale Studios."

Friday, May 17, 2024

The Radiophonic // Hans Zimmer Designed Modular system


video upload by Starsky Carr

"Seems Hans Zimmer has been busy with both software and hardware recently...

Alan from AJH Synth explains how their new Radiophonic modular synth came into being. A call from Hans Zimmer... ! not a bad start.

A greta story, and well deserved for the small company that builds the highest quality mnodular system.. Can't wait to have a play with one of these!"

SUPERBOOTH 2024: AJH Synth - The Radio-Phonic


video upload by sonicstate

"At Superbooth 2024, Alan from AJH Synth unveiled a new, highly-specialized synth commissioned by none other than Hans Zimmer himself. This analog modular system was designed to be the centerpiece of the new *BBC Radiophonic Workshop*, a passion project of Zimmer's aimed at recreating the iconic studio at Maida Vale. With dual monophonic synth voices featuring stereo capabilities, a triple crossfader for intricate crossfading effects, and a plethora of modulation options including tap tempo LFOs and sample and hold modules, this synth is a powerhouse of vintage sound with a modern twist. The 136HP walnut case with cherry wood highlights pays homage to Zimmer's first synth, the *EMS VCS3*, while offering a more powerful and flexible sonic palette.

The limited replicas of the commissioned instrument are available for purchase, with a price tag of £15,000 including UK VAT. While not an impulse buy, this synth promises unparalleled sound and versatility for those willing to invest in its unique capabilities. With a waiting list already in place, those interested in acquiring one of these rare replicas should act fast to secure their piece of music history. For more information on this extraordinary synth, visit the *AJH Synth* website for details on availability and ordering."

Monday, May 13, 2024

Hans Zimmer 'RadioPhonic' AJH Synth Press Release & Pics



The press release and pics have been added to this post. Click through for details.

Sunday, May 12, 2024

Hans Zimmer 'RadioPhonic' Synth @ Superbooth 24 w/ AJH Synth


video upload by AJH Synth Official

"Hans Zimmer's 'RadioPhonic' Synth from AJH Synth @ Superbooth 24 - This monster MiniMod Eurorack modular system was commissioned by Hans himself, and he was kind enough to allow us to build a limited number of exact replicas which will be individually built to order by AJHSynth. Full details of the system, along with an interview with Hans Zimmer about his use of the MiniMod system, can be found at https://ajhsynth.com.
We will have one such RadioPhonic system on display in our bungalow at Superbooth 24, along with a MinMod Keyz, a 9U full system, and a huge monster case full of AJH modules.
Richard Quirk, and Wayne Taylor (DreamsOfWires/Tomorrow the cure) will also be there representing AJH with Allan J Hall himself. We'd be glad to chat about the modules and demonstrate some in action, so feel free to pop by.

The AJH SYNTH Eurorack range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.
Official website page: https://ajhsynth.com"

Update: press release and pics follow:

Friday, April 05, 2024

Tone Science No.9 'Theories and Conjectures' - Various Modular Synth Artists Available Now


video upload by DreamsOfWires

"I have a track (a new version of 'Minimum') featured on the latest Tone Science compilation from Ian Boddy at DiN Records. Available as a digital download, and as a limited edition Digipak CD of 500 copies. Check it out here:

https://dinrecords.bandcamp.com/album...

'Minimum' was recorded entrirely within a Eurorack modular system - sounds, effects, mixing, WAV recording, as a real-time performance (no overdubs). All sound modules are AJH Synth. It uses 6 analog VCOs: The melody is a single VCO (lower frequency) supporting the self-resonating Ladder Filter (upper). The later pattern is 2 VCOs through the Ring SM sub-octave generator. The drone sound in the background is 3 VCOs, 2 through the Wave Swam, and all through the Triple Cross module, where they're cross-faded using 3 seperate LFOs.

From Ian Boddy:
Tone Science sub-label, from DiN records, continues to explore the world of modular synth music.

Following the success and critical acclaim of the first eight Tone Science compilation albums,
DiN label boss Ian Boddy has collated another nine tracks from musicians of varying backgrounds working in the realms of modular synthesis.

As the Tone Science journey continues it never ceases to amaze just how varied and individualistic each musicians work can be. Whilst the hardware is technologically based each artist teases out a reflection of their own musical personality.

This volume kicks off with two pointillistic compositions from Loula Yorke and State Azure with intertwining sequencer patterns flowing and coiling around to create ever changing soundscapes.

Sunday, March 10, 2024

AJH Synth MiniMod Keys // If Hans Zimmer uses these daily...


video upload by Starsky Carr

"Imagine if Moog had made the original Minimoog a modular system, we'd have something very similar to the AJHSynth Minimod Keyz... and something that sounds identical. Buckets full of warm, rich, exquisite vintage vibes in a very handy format.

It's so much more than a minimoog clone - firstly the VCOs are based on the most revered RA Moog version, then there's the addition of ring mod, HP filter, extra LFOs

Plus all the extras that the NiftyCase brings - velocity,. aftertouch, LFO, Arp, Sequencer, zoning, voice modes multi, MIDI... and a whole lot more.

and then obviously the flexibility of a modular system... wonderful :)

https://patreon.com/starskycarr
https://starskycarr.com"

Sunday, February 25, 2024

The Sound of Pure Analogue - Vintage Tone meets Modern Modular in Eurorack form


video upload by AJH Synth Official

"The Sound of Pure Analogue - Vintage Tone meets Modern Modular in Eurorack form, no compromises. This is a compilation of moments from our past videos, demonstrating the sonic power, character and flexibility of our MiniMod system modules. From the early-Minimoog based MiniMod voice with classic Transistor Ladder Filter, to the various other audio and CV processing tools and generators in our range: Each clip is taken from a full-length video, either demonstrating how to create a specific patch, a performance example, or a complete video user guide to the featured module.

Full Video Index:
00:00 Bass - From Halo to Horror https://youtu.be/VtrT93NaPts
00:26 Fat Bass Patch https://youtu.be/gBoWE7xM8jQ
00:49 Blade Runner Patch https://youtu.be/Tcts4oCyxaI
01:16 Pink Floyd - Shine On https://youtu.be/mUD1cx_FUt4
01:35 Pink Floyd - On The Run https://youtu.be/1Hr07yCtNm8
01:59 Tomita Whistle Lead https://youtu.be/gkp7lqZrat4
02:23 Classic Flute Patch https://youtu.be/ipvFLWMbb_k
02:50 Pan Flute Patch https://youtu.be/PXqvjShvFNM
03:15 Choir Sound 1 https://youtu.be/7ZtfAxBgVTY
03:45 Choir Pad 2 https://youtu.be/Zo6SKrfrALI
04:10 Ring SM User Guide Pt2 https://youtu.be/hTNaYiiTwdY
04:45 MiniMod Keyz https://youtu.be/jYBujTKv7k0
05:02 Next Phase User Guide https://youtu.be/9vzOykUTMtk
05:39 Envelope-controlled Phaser https://youtu.be/hs7qpZthGlc
06:02 Entropic Doom Percussion https://youtu.be/l17z82qy5Vs
06:26 Lunar Module https://youtu.be/89bv0dI8yw4
06:56 Sonic XV's Wave Folder https://youtu.be/pJUb-ZEddqQ
07:18 'Für Klaus' Tribute https://youtu.be/VA-Io4jVKbA
08:05 Stereo Gemini 2412 https://youtu.be/96QRXHZJSL8
08:28 Blade Runner Patch https://youtu.be/Tcts4oCyxaI
08:53 MiniMod Keyz https://youtu.be/jYBujTKv7k0
09:54 Keyz & Arps https://youtu.be/4brCk3LNUXo
10:19 Keyz & 6U System https://youtu.be/eLYCB6Rg_I4

The AJH SYNTH Eurorack range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.
Official website page: https://ajhsynth.com

Check out the AJH Synth playlists for module 'User Guides', and 'Patch of The Week' videos, which will be either performances or 'how to' guides, detailing functions/methods, and a range of sounds, some familiar, some less so, containing a patch sheet at the end to show you how to construct it for yourself.

Video by @DreamsOfWires"

Sunday, February 18, 2024

Moog Mavis, Prophet 5, AJH Synth large Eurorack modular synth Performance


video upload by DreamsOfWires

"Performance using Eurorack and Sequential Prophet 5. The modular consists mostly of AJH Synth modules (list below), a Doepfer Mini Synthesizer Voice and a Moog Mavis.
This is a slightly simplified section of something I've been recording for Bandcamp. A reflection of the present with an ear to the past. It'll be released on Bandcamp soon if I'm satisfied with it once it's finished, no promises.
I wanted to build a piece around a simple, analogue, un-quantised sequencer. The manual scaling and slowing of the sequence was inspired by Tangerine Dream's 'Phaedra', which begins rather chaotically, before the sequence morphs and slows to become more melodic. A fascinating piece of music and synth tweaking from the early 70's.
The ambient drone sounds and polyphonic Prophet presets (which I also created) are more inspired by the movie and television soundtracks of the past, if anything, or at least in my imagination of them.
This was entirely recorded within the Eurorack modular system - the mix isn't the best, but I like creating something in this way, set in stone, frozen in time, warts and all, perfectly imperfect.
My music: https://tomorrowthecure.bandcamp.com

Modules used:
Sounds - 2 full AJH Synth MiniMod voices (equivalent of a Minimoog), with 1 using a Sonic XV instead of a Transistor Ladder Filter. Additionally, a Fixed Filter Bank 914, Wave Swarm, Tone Science Triple Cross, Precision Voltages, Ring SM and CV Mix (for scaling the sequence), Dual LFO, 2x Muting Mxer. Doepfer A-111-5 (same voice as a Dark Energy), Moog Mavis, and Music Thing Modular Radio Music (Japanese funeral ceremony sample).
Sequencer - Erica Synths Sequential Switch with CV Expander.
Effects - Happy Nerding FX Aid (master reverb), ALM Busy Circuits MFX (Mavis drone reverb), XAOC Devices Sarajewo analog 'bucket brigade' delay.
Mixing - Cosmotronic Cosmix.
Audio recorder - Expert Sleepers Disting Mk4 (as WAV recorder)."

Sunday, January 28, 2024

Minimal Jam: Chance Delay & Entropic Doom - random gates, melodic noise, analogue percussion


video upload by AJH Synth Official

"A minimal jam using 2 Chance Delay modules, triggered by a sequencer clock, with the Entropic Doom to create both percussive and melodic noise-based sounds. Also a simple dual-oscillator analogue bass line using 2 Vintage Transistor Core VCOs and the Transistor Ladder Filter. Turn on Subtitles/Captions for an explanation of what's going on.

The Chance Delay generates randomness with its 'Chance' control, which determines the probability of gates occurring. It also uses its Length control to divide the frequency of the incoming clock signal - this is done by forcing the gate lengths to exceed the interval between clock pulses, and not producing further gates until the current gate cycle has finished. It also has a gate-delay function, and all three of these features can be voltage-controlled.

The Entropic Doom is a noise generator with a built-in, voltage-controlled, low-pass filter. This VCF has 2, 3 and 4-pole modes, and is resonant, producing significant self-oscillation in 4-pole mode, whilst also tracking 1V/Oct. This means it can be used melodically, extending it's usefulness beyond just noise washes or percussion. Additionally, it includes an audio input to add other signals into the pre-filter feedback loop, and it can sync it's noise frequency to an external source. To top it off it also features a CMOS ring modulator and XOR VCA, both of which can be used with or without the rest of the module. This thing can go from subtle and pretty timbres to crushing, mangled, distorted chaos.

CHANCE DELAY Introduction video: https://youtu.be/f4weiEGeOvQ CHANCE DELAY & Sequencer: https://youtu.be/MiOPo6XKgY0 ENTROPIC DOOM used melodically: https://youtu.be/FPfBpyFm_tM ENTROPIC DOOM for percussion: https://youtu.be/l17z82qy5Vs TRIPLE CROSS Introduction video: https://youtu.be/Y1G4Cgka1l8

The AJH SYNTH Eurorack range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability. Official website page: https://ajhsynth.com

Check out the AJH Synth playlists for module 'User Guides', and 'Patch of The Week' videos, which will be either performances or 'how to' guides, detailing functions/methods, and a range of sounds, some familiar, some less so, containing a patch sheet at the end to show you how to construct it for yourself.

Video by @DreamsOfWires"

Wednesday, January 24, 2024

Eurorack Phasers


volume 3 video upload by John Schussler

"I got a Pittsburgh Modular Toad not long ago, and realized I'd not compared the WMD Orion to anything either. Figured I'd put them both together, and throw in the G-Storm Polychrome to help join this video with earlier comparisons of eurorack phasers.

The Orion is now discontinued, and the Toad is a limited edition that will sell out. Only the Polychrome is in continued production. Not that there aren't other phasers, mind you, just saying if you like these....

VCO is a Befaco Pony. Little bit of reverb to make it not so harsh, but not too much. That's about it. Enjoy.

00:00 Intro
00:20 Drone
11:32 Sequence"

Eurorack Phasers - Take 2

video upload by John Schussler

"(This is a 'headphones required' video. You won't hear half of what's going on if you don't listen in headphones.)

This is my second attempt at a video on eurorack Phasers. The first (linked here but not otherwise listed in my channel: Eurorack Phasers) contained a number of mistakes. I'm keeping it around because I actually find those mistakes interesting, and want to be able to remind myself.

In particular, I didn't understand a couple things:

1) The SynthTech E560 input isn't set up for Eurorack levels, it's set up for line levels. If you don't attenuate the input, it distorts rather badly.
2) You have to use BOTH outputs of any module (that has them) if you want to hear stereo phasing. It's the contrast between the source audio and the phased audio that makes the effect, and you need two outputs to make that happen.

So. Once again into the breach, I attempt to compare some eurorack phasers. I think somewhat more successfully this time.

00:00 Intro
00:20 Next Phase
08:19 E560
17:15 Kamieniec"

Previously posted: Eurorack phasers - two new additions

Sunday, December 03, 2023

Per-step Pitch Intervals with a Sequencer using PRECISION VOLTAGES module for Eurorack


video upload by AJH Synth Official

"Using a step sequencer to change VCO pitch per step: The Precision Voltages is a convenient way to offset VCO frequencies musically, by pitch increments of semitones and octaves, which can be either added to, or subtracted from an incoming CV signal, such as a sequencer or keyboard controller. This can have many uses, not just for melodic control of oscillators, but here is a particularly useful function for pattern-based pitch sequencing.
Modules connected to the outputs of the Precision Voltages will be sent fixed voltages of preset musical intervals, based on the 1V/Oct scale. These voltages, here represented as precise intervals of semitones and octaves, are selected by the two rotary switches. With no external CV signal connected to the inputs, the module will function as a source of preset fixed voltages, with a huge range of +11 volts to -11 volts (10 octaves + 12 semitones). These can be conveniently switched on or off with the A & B switches. When an incoming CV signal is present, this voltage sources is added to, or subtracted from the signal, meaning it can be used to easily shift the pitch, frequency, or CV level of modules it is connected to. This is ideal for shifting the pitch of VCO's to create harmonies or simple chords, or for offsetting CV levels in any application that uses them.
The Gate input of this module affects the value of A only, and will allow it to be turned on with a high gate signal, or off when the gate is low. B will remain unaffected, and will continue to output the pitch/voltage offset selected by the rotary pots and switches. The 'OUT' output will combine both A and B, depending on the switch position next to it. As a result, when A is turned off, either by the switch or a gate signal, then only the value of B will be output here.
Official website page: https://ajhsynth.com/Precision.html

I'm also using the new Chance Delay module on this patch for some generative randomness/probability - it's not necessary, the sequencer can be connected directly to the Precision Voltages Gate input.

SEQUENCER ADVICE: Most sequencers will allow you to change gate length, sometimes referred to as 'duty', as is done in this video, but you'll need to consult your sequencer's documentation if you are not familiar with how to do this. On many it is obvious, but others not so much. Also, some will allow you to change the gate length directly and quite precisely, whilst others will only allow you to change it in fractions or percentages. This may mean that you can't quite get the gate to span the entire step length, meaning that the pitch modification made by the Precision Voltages may be heard ending prematurely. This is the behaviour of the sequencer, not the module. However, there is a way around this...
A gate signal is just a voltage of either zero volts (off/gate is low), or a minimum of +5 volts (on/gate is high). Gates are pulse (square) waves for this reason, as they are simply one of these two states, and so some sequencers will also refer to gate length as 'pulse width'.
However, all the gate input needs is one of these two voltage values to turn it on or off. This means the CV outputs of a sequencer can also be used, so long as your sequencer has a range of at least zero to +5 volts, which they almost certainly will. Therefore if you connect the CV output of the sequencer to the Gate input of the precision voltages, set all of the step pitches (or pots such as on the SQ1 used here) to zero, when you run the sequencer the pitch changes set by the Precision Voltages will not be activated. If you then raise the pitch of a step to maximum, it will activate the pitch change on that step. Problem solved!
This is not as immediate or convenient as being able to switch the changes on or off with buttons, but it works just the same otherwise, and may be helpful if you can't get satisfactory results with your sequencer, or are finding it too difficult to adjust the gate lengths accurately.

The AJH SYNTH Eurorack range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.

Check out the AJH Synth playlists for module 'User Guides', and 'Patch of The Week' videos, which will be either performances or 'how to' guides, detailing functions/methods, and a range of sounds, some familiar, some less so, containing a patch sheet at the end to show you how to construct it for yourself.

Video by @DreamsOfWires"
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Switched On Make Synthesizer Evolution Vintage Synthesizers Creating Sound Fundlementals of Synthesizer Programming Kraftwerk

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