VU002 – Quad Frequency Doubler – PCB Set

Rampes is now available! Demo video is up on YouTube (link in bio)

Rampes (pronounced /ʁɑ̃p/, french for ramps) is a video ramp generator and sync extractor, supporting the following formats
288p50/240p59.94/576i50/480i59.94/576p50/480p59.94/720p50/720p59.94/720p60
1080i50/1080i59.94/1080i60/1080p23.98/1080p24/1080p25/1080p29.97/1080p30

The format is detected and selected automatically.

In video, a ramp is a signal which produces a gradient that goes from minimum to maximum during the line interval (horizontal ramp) or the frame interval (vertical ramp). By mirroring and further processing them, it is possible to generate 2D shapes. Rampes also features horizontal, vertical and Odd/Even sync outputs, which allows to sync other video modules, as well as audio modules.

On its left side, Rampes features (top to bottom):

- Horizontal and vertical ramps with their inversions
- Mirrored horizontal and vertical ramps and their inversions

On its right side, Rampes features (top to bottom):

- Horizontal, vertical and Odd/Even sync
- Diamond, Rectangle, Cross, Star and Ellipse shapes

Rampes requires a sync signal over RCA to operate, coming either from a sync generator module, or an external video signal (Composite or Y from Component).
The module is powered through standard Eurorack connector or DC barrel.

Inputs:

RCA Sync input (rear), 75ohm
Outputs:

RCA Sync output (rear), 75ohm
0-1V Ramp and shapes outputs, 75ohm
0-5V Sync outputs, 75ohm

Specs:

- 8HP
- 200mA +12V
- 0mA -12V
- 0mA +5V
- 45mm deep

#eurorack #videosynthesis #analogvideo #syntonierampes #syntonie

(This is an extract of the last newsletter, part 1/3)

1) Full restock = 15% off everything

Syntonie being a one man army, and with an ever growing product catalog, it’s not always easy to keep everything in stock, so this is a rare enough occurence worth celebrating!
To do so, everything listed on the website is on sale with 15% off, starting today, March 7th, until March 22nd 23:59 GMT+1.
So if something you wanted was out of stock, now is the time!

Video is made with Entrée displaying the key mask with the logo and text, Rampes generates the shapes processed through Solaire, and a slow modulation from Animate is going to Solaire as well. Taking Solaire outputs into Cadrans inputs, with the key mask as CV on all three Cadrans channels.
Cadrans outputs going to VU007B RGB inputs. Recorded with BM Analog to SDI + Video Assist in Component 720p60.

2) Rampes update

Happy to announce that Rampes is now ready for production! Most of the parts are in stock and the rest is on its way, so expecting to have it in stock in about a month.
Beside fixing some issues, the latest revision also modified the sync outputs to be 5V amplitude rather than 1V, which makes the interfacing with audio Eurorack modules easier, while keeping it compatible with video modules that takes front panel sync.
It has been tested with various audio modules, and it works well, may ask for some logic frequency divider, as the hsync might be a bit fast for some modules, since its ranging from 15kHz to 45kHz. Had a lot of fun using a sequencer clocked by vsync to modulate video on frame time base.
Another newsletter will be send out once Rampes is ready to ship.

Video is made by sending various outputs of Rampes into Cadrans, and rectifying the outputs of Cadrans with Solaire. Another Solaire is used to mix and rectify shapes from Rampes and a slow modulation from Animate, outputs of the second Solaire used as modulation on Cadrans.
First Solaire outputs going to VU007B RGB inputs. Recorded with BM Analog to SDI + Video Assist in Component 720p60.

#videoart #videosynthesis #analogvideo #eurorack #syntonie

#videoart #videosynthesis #analogvideo #eurorack #lzxcastlevco #lzxcastlequadgate #reverselandfillmatrixmixer #vu002 #vu004 #vu006 #DIY #syntonie #thispersondoesnotexist #vga #60hz

(This in an extract of the last newsletter, part 2/2)

Work in progress

Now that the work on the updated sync generator is done, it can be used for other projects.

1) Here is one of the implementation, Stable, it is a video processor amplifier and stabilizer for glitch.

The proc amp part allows to control contrast, brightness, hue and saturation of a Composite video signal, or only contrast and brightness on a SD/HD Y signal from Component (the chroma filter can be bypassed to avoid unwanted filtering). All parameters of the proc-amp are controllable with an external voltage, which allows for nice internal feedback/glitch like effect when using the post proc output.

The processor part extract sync from the video signal, so it can be used to reinsert a clean sync in the stabilizer part. Basic usage is to input the clean video signal into the processor part, then process it using a glitch device like CBV001, glitch output going into the stabilizer. This will ensure a stable signal in all instances, making glitch easier to capture/display.

A first revision has been tested, and beside a couple fixes, it is really promising. Then, it is far from being ready for release, so no precise ETA yet.

2) Another use of the updated sync generator board is a multiformat ramp generator, Rampes.

It generates horizontal and vertical ramps, mirrored horizontal and vertical ramps, with inversion of each.

It also generates (or rather extract) horizontal, vertical and odd/even sync pulses, in order to sync modules with a front panel sync input. Those pulses are currently 1V, however making them 5V should help with audio modules compatiblity, without impacting compatibility with 1V standard modules.

Finally, it generates five 2D shapes made from combinations of mirrored ramps.

Boards for the 3rd revision are on their way, mostly fine tuning the circuit, no ETA on this one either, though I expect to have it ready before Stable.

3) If you want to know more about the upcoming stuff, or chat about video synthesis/glitch art, feel free to join the Discord server (link in bio)

#videoart #videosynthesis #analogvideo #eurorack #syntonie

(This in an extract of the last newsletter, part 1/2)

New year, new resolutions

Wish you a happy new year! Thanks for the continuous support during 2023, it has been an intense year, with the release of six new modules: Isohélie, Animate, Animate EXP, Seuils, Solaire and Entrée.

1) New resolutions for 2024 are 720p59.94/1080p29.97/1080i59.94/1080p23.98/1080p24.
In other words, the updated sync generator board for VU007B is now available for purchase to upgrade your unit, and it is now included with assembled modules, DIY kits and PCB sets (note that there is only a couple DIY kits in stock still, and those won’t be restocked). Here is a quick summary of the features :

– Additional formats supported: 720p59.94 / 1080i59.94 / 1080p29.97 / 1080p23.98 / 1080p24
– Genlock to an external video signal improved: faster lock time and reduced jitter
– Format autodetection feature: detects the format of the external video signal when present and set itself to the right format, overriding the front panel switches.

2) If you fancy upgrading your modules a bit more, VU007B aluminum front panels and VU003B aluminum front panels are now available to order separately.

3) CBV001 is now available as a SMD PCB set, this will make the build and part sourcing easier, as well as helping in keeping the same stock of PCB for assembled units and DIY option.

4) Price drop on all right angle RCA cables

#videoart #videosynthesis #analogvideo #eurorack #syntonie

Excited to finally have those out:

- CBV001 is a eurorack adaptation of the AVE MOD, circuit bent video enhancer. The audio reactive part has been replaced by a CV input, allowing control from DC signal up to video rate, while keeping similar glitch effects. Panel artwork by @loobabalooba

- VU001 is a quad distribution amplifier for composite video, and can also be used to share sync between systems.

- VU002 is a quad frequency doubler, each stage double the signal frequency and are chained together to multiply the signal at the input by 16, allowing solarization effect when applied to video. Switching jacks allow to break the connection between each stage to use them individually.

- VU003 is a SD Component/YPbPr to 1V RGB colorspace converter, to process a component video source into a video system.

- VU004 is a quad inverter, each stage invert the signal while keeping it between 0-1V.

All modules are now available as a pcb set, DIY kit or built unit. Documentation is up on Github, as long as demo video on YT.
Only a small batch of kits/modules is available for now, expecting a restock mid/end of August.

CBV001S (aka standalone AVE MOD upgrade) should follow soon, still waiting for enclosures.

#vu001 #vu002 #vu003 #vu004 #cbv001 #glitch #glitchart #glitchartistscollective #videoart #analogvideo #videosynthesis #analogglitch #videodistortion #DIY #syntonie #eurorack #eurorackvideo #modularsynth #videosynthesis #circuitbending #crt