video synthesizer

A fully revised video synth is here! Model no. GVS010 - 'Vimana' (videos, photos, info)

GVS010 (link)

‘Vimana’

It’s been a bit of a journey getting here - but for the time being I’m finished with revisions.

This device is model no. GVS010 and is the first in the series to feature a fully revised internal design & silkscreen printed front panels. All additional circuits have been consolidated into a single PCB (excluding the additional patch-panel PCB up top), and all controls are now PCB mounted as well. This is, moving forward, the standard build style that the GVS series will take as far as the feature selection on the front panel goes.

Check out the page linked above for more information, a full demo video, an additional demo utilizing GVS010 as a loopback with a video mixer, and more photos than were really necessary :P

If you’re on the waiting list I’ll be reaching out soon - thank you for patience. Things may be a bit slower moving forward as my pre-pandemic work location has reopened, but I still plan to work through commissions for those who have made requests.

My DIY Modular Video Synthesizer // Overview video, demo

Finally - after stopping work on this thing last December I’ve finally got a video about it to share.

Via the youtube description:

“Been a long time coming! Happy to finally get a basic demo together for this build I made over the course of a few months last year. Hope you enjoy! Might make more videos or stream about this thing in the future to explore some of the things I glossed over and show some other things it can do.”

More info about the build can be found here

Gleix Video Synth #9 // Vapor Dream ビデオシンセ

So excited about this release - I really couldn’t be happier with how this one came out. Check out this build over at it’s dedicated page in the visual devices section!

Via the Vapor Dream page:

This device, dubbed “Vapor Dream,” is model no. GVS009 and is a sort of spiritual successor to the 100PFB in terms of aesthetics. With a dual mode oscillator, RGB assignable noise generator, audio input, and CV integration for color and image shift controls, it resembles The I.F.D. as far as functionality goes, but trades out the glitch patch-bay for an attachable mini LCD monitor. The monitor has its own hook-ups for power and video and it attaches to the top of the device via a magnetic base which hold it safely in place. This model, unlike all previous, runs on 12v.

The I/O includes 2x composite video output (primary & monitor), VGA output, an external audio input (1/8” and 1/4”), a 12v 2.1mm barrel jack for power, and another barrel jack for powering the monitor.

Feature set

  • On/Off latching pushbutton

  • NTSC/PAL select switch

  • Button & switch for freezing the currently displayed image

    • Allows for starting the device in low-res mode with pixelated feedback

  • RGB Mix knobs

  • RGB CV inputs

  • RGB pulse buttons

  • Oscillator

    • On/Off

    • Rate, Shape, Depth knobs

    • Mode select (LFO vs standard oscillator for scanlines)

    • Send switches for RGB channels

  • Image shift up, down, left, right, zoom adjustment buttons

  • Image shift up, down, left, right, zoom adjustment CV/Gate inputs

  • 1x bypass switch for directional CV, 1x bypass switch for zoom adjustment CV

  • Audio input (Doubles as noise generator)

    • 1x 1/8” input, 1x 1/4” input

    • Audio amplifier on/off

    • Audio input gain knob

    • Send knobs for RGB

  • CNC’d Rear I/O panel

  • Menu buttons for adjusting settings

  • Companion mini composite LCD monitor with customized hookups

  • aesthetics

Commissioned by and custom built for Perte de Signal in Montreal.

March, 2021.

New machine: GVS008 "Glitch Hornet", An Audiovisual synthesizer and glitchy visual FX processor

Check it out here - and see the video demo below.

Via the device page:

This device is model no. GVS008 and is the first in the series to feature an external video input, and custom CNC’d front & rear panels. This machine is similar to The I.F.D. in terms of feature set, minus CV implementation and + the video input. The input allows this model not only to function as a synthesizer and internal feedback generator, but as a loopback for use with video mixers, and as a standalone glitchy video FX processor similar to the VGS35 & GVM002.

The I/O includes a composite video output, composite video input, a VGA output, an external audio input (1/8” and 1/4”), and a standard 2.1mm barrel jack for a 5v power supply.

  • On/Off button

  • Button & switch for freezing/holding the currently displayed image (new on this model)

  • RGB Mix knobs

  • RGB pulse buttons

  • Oscillator

    • On/Off

    • Rate, Shape, Depth knobs

    • Mode select (LFO vs standard oscillator for scanlines)

    • Send switches for RGB channels

  • Image shift up, down, left, right, zoom adjustment buttons

  • Audio input, sends for RGB color channels

    • Doubles as RGB assignable noise generator

  • 24 point patchbay for experimental glitches, routing audio in and out of the device, routing external signals into the device

  • * Switch for selecting internal feedback loop vs. external composite video source

  • * Switch for selecting between NTSC & PAL output

  • * CNC’d front panel & Rear I/O panel

* = New on this model

February, 2021.

A page for the DIY Modular Video Synthesizer is up!

I finally got myself to put together the basics of a page for my DIY video modular! Right now it lists out all of the current modules with information & photos of each. In the future I’m hoping to add additional image galleries of what the modules do individually, make videos explaining things, add documentation/schematics, and go into a bit more detail. For the moment, though, I’m just happy to have something up. There’s only 30hp left unfilled :)

Check it out over at gleix.net/modular

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Gleix Video Synth // The I.F.D. // A semi-modular analog video synthesizer

The I.F.D.

A self contained semi-modular audiovisual synthesizer for video feedback, digital glitches, drones and colorful experimentation

I feel like I’ve spent as much time documenting this build as I did making it, so I’m really excited to finally be sharing it with the world. This is what I might consider my “flagship” video synthesizer for the time being and it will serve as a reference point moving forward. Check out the page for this build here at gleix.net/ifd

Via the IFD page:

The I.F.D., or Industrial Feedback Device, is an audiovisual synthesizer based around a no-input video feedback loop, video RAM and buffer manipulations, simple oscillator functionality, audio reactivity and sound generation, and CV implementation to allow easy integration into an existing modular ecosystem (esp. eurorack).

The I/O includes two composite video outputs, a VGA output, an external audio input (1/8” and 1/4”), and a standard 2.1mm barrel jack for a 5v power supply.

The originally beige enclosure was painted with an industrial theme and intentionally weathered and the primary aluminum control panel was given a circular brushed look to fit the theme.