Dear Robert, I don't know the logic schematics you are speaking about, so I can't define my experience coherent as you require. But you have used some terms care to me: "open source" and "history alive". So I think it could be an exciting project to be shared with a community, merging experiences. Here you can find the SEAM project I founded:
https://github.com/s-e-a-m http://seam-world.slack.com/ SEAM is a small community, and (thanks to the Faust qualities) there are some history pieces alive. (Reverbs are pieces of interest, like an entire musical composition, like many other things): If You have the pleasure to share something with us, maybe we can discuss the experience we have to help you. Nevertheless, even if you create your repository with some materials, I will look inside it and consider how I can help. I think it is a fascinating matter. PS. the shortest answer to both your questions is yes. Kind Regards Giuseppe Silvi > On 24 Apr 2021, at 16:08, Robert-André Vettel <ra.vet...@live.de> wrote: > > Dear all, > > since I'm going to get into quite a bit of detail, I'll start with the tl;dr > first :D > • has anyone experience with electronic logic circuits and might help > me to analyse and understand some schematics? > • is it possible to port an existing digital circuit (consisting of a > clock, timing signals, counters, latches and memory read/writes) into Faust? > Now for the long version: > In 2019 I was fortunate enough to acquire an old Ursa Major Stargate 323 > hardware reverb from the institute of musicology at the JGU Mainz (thanks > Albert!). Ursa Major was founded by Christopher Moore and is mostly know for > the Space Station Delay, which some industry professionals still swear by. > The Stargate 323 Reverb is an evolution of the Space Station delay > algorithms. Since those reverbs are very rare and no official digital > emulations exist, I want to try and help keeping this piece of reverb history > alive . > > To be clear: I'm talking about straight up reverse-engineering here. If the > moderators think this is something that shouldn't be discussed publicly on > this list, please let me know. The Ursa Major brand was sold to AKG in 1986 > and no products have been released under this brand since then. As far as I > know all related patents have expired. Christopher Moore previously continued > working under the brand name Seven Woods Audio, but the website is not > available anymore and the domain name is now for sale. I also want to make > this project completely open source and do not have any commercial intentions. > > While the reverb algorithms are proprietary, the digital circuit design is > fairly simple by today's standards. Ursa Major was a small company and inside > is just a lot of 8bit EPROMS, Latches, Counters etc. all clocked by an 8Mhz > ceramic oscillator. No CPU or proprietary silicon whatsoever. Because the > entire circuit structure is completely humanly readable, my idea is to just > "port" the digital circuit into modern software instead of trying to > approximate the algorithms. So far I have made quite some progress in > understanding and analysing the digital circuit components. The official > service manual is incredibly detailed and I have also dumped the contents of > all eeproms. But I'm just a hobbyist and if I want this project to succeed, > I'm going to need help. Which brings me back to my initial questions and this > mailing list :) > > I'm happy to hear any questions/ideas/etc.! > > Best, > Robert > > _______________________________________________ > Faudiostream-users mailing list > Faudiostream-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/faudiostream-users _______________________________________________ Faudiostream-users mailing list Faudiostream-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/faudiostream-users
