[sdiy] Silhouette Eins optical synthesizer

cheater cheater cheater00social at gmail.com
Fri Sep 3 21:41:45 CEST 2021

I don't think capacitive sensing would pick up a rotation this fine, would

On Fri, Sep 3, 2021 at 5:24 PM Richie Burnett <rburnett at richieburnett.co.uk>

> Capacitively sensed maybe? It looks like it has other "touchscreen"
> buttons etc.
> -Richie
> ---- cheater cheater via Synth-diy wrote ----
> How does it work? I think since it's only one encoder, with no wires that
> seem running to it, and it's a large ring, it might be magnetic / hall
> effect.
> On Fri, Sep 3, 2021 at 10:46 AM Ben Stuyts <ben at stuyts.nl> wrote:
>> The Ford Mustang Mach-E has an encoder on the screen also. But to me it
>> looks kinda goofy. (Worst of both worlds?)
>> Ben
>> On 2 Sep 2021, at 19:47, cheater cheater via Synth-diy <
>> synth-diy at synth-diy.org> wrote:
>> Very interesting new synthesizer. Several novel ideas that we could
>> look at for synth DIY.
>> The immediately coolest thing is using a screen as a front panel.
>> Essentially the inventor stuck potentiometers to the front of a PC
>> monitor. I considered doing something similar maybe 15 years ago but
>> somehow I thought it wouldn't be "perfect enough". I guess Johannes
>> Pit Przygodda is less held back by stupidity like that. The end result
>> is very cool. I wonder if anyone else has tried that. The front panel
>> can show the current setting of a knob (think LED rings) and you can
>> reconfigure what knob does what parameter. Real cool. Perfect fusion
>> of analog knobs, patch memory, and in-depth configurability.
>> The second cool thing is the synthesis method. A camera scans the
>> silhouette (hence name) of an item placed on a light table like you'd
>> use for drawing (essentially it's an LCD screen always showing a
>> full-white picture). I understand this then is used as an input to a
>> wavetable synthesizer, but I'm not sure. The Synthtopia article
>> mentions it might be like the Oramics Machine, but from looking at the
>> video I believe it might be more like an Optigan.
>> https://www.synthtopia.com/content/2021/08/31/new-silhouette-eins-synthesizer-blurs-the-line-between-sound-image-sneak-preview/
>> The third cool thing is the haptic element of the video based
>> synthesis method. The light table and objects placed upon it become a
>> control surface, and that's very valuable.
>> I feel like this will be returning in the future. Being able to place
>> arbitrary objects on a control surface and to use them as a control
>> interface and even element of the synthesis engine is a huge step
>> forward from just having knobs, sliders, strings-with-rings, keys,
>> buttons, and the like.
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