[sdiy] Synth Electronics

Tue May 7 05:58:38 CEST 2024

Can you link me to his description of the FFT please?

On Tue, May 7, 2024 at 1:54 AM Ben Gebhardt via Synth-diy <
synth-diy at synth-diy.org> wrote:

> I’m interested in MAM.  Maybe I’m dense, but how do I email you Jeff aka
> BrightBoy?
>
> Thx
>
> > On May 6, 2024, at 5:10 PM, brianw <brianw at audiobanshee.com> wrote:
> >
> > 'MAM' is short for "Musical Applications of Microprocessors"
> >
> > It's a book written by Hal Chamberlin, who is a genius of electronics.
> His 1973 Masters Thesis was a synthesizer design with digital waveforms,
> and his career has been related to digital audio and keyboard synthesizers.
> This book covers many aspects of using programming techniques to create
> sound. I found the description of the Fast Fourier Transform to be the most
> enlightening I've ever read - it really helped me understand what the math
> is doing behind the scenes. Each of the chapters has something to offer.
> >
> > Brian
> >
> >
> >> On May 6, 2024, at 12:51 PM, Paulo Constantino wrote:
> >> What is the MAM book please?
> >>
> >>> On Mon, May 6, 2024 at 8:38 PM BrightBoy wrote:
> >>> You don't need to go to BookFinder and pay collectible prices for the
> 2nd edition MAM Book.
> >>>
> >>> I've been providing mint NOS (New Old Stock), unread copies to the
> community for over
> >>> 25 years at fair pricing.
> >>>
> >>> Reach out privately if interested.
> >>>
> >>> Jeff
> >>>
> >>> -----Original Message-----
> >>> From: Ben Bradley <ben.pi.bradley at gmail.com>
> >>> Sent: May 6, 2024 2:35 PM
> >>>
> >>> And I dare say Barry's book is much better than the Delton Horn book
> >>> "Electronic Music Synthesizers" from the same time period. I recall
> >>> seeing both for sale way back when, and I bought the Horn book because
> >>> it had a drawing of a Minimoog on the cover, and that's what I wanted
> >>> to have the schematics for and make. But then Horn wrote a lot of
> >>> books on other topics, and so surely didn't have the depth of
> >>> knowledge to do a good job on synths.
> >>>
> >>> Another good book from back then is "Musical Applications of
> >>> Microprocessors" 2nd. edition. It has a remarkable amount of analog
> >>> synth circuitry for a book on microprocessors, even though some of it
> >>> is "discrete" ADCs and DACs as things were done back then.
> >>>
> >>> Remarkably, used printed copies of both are available at collectible
> >>> prices. I look up (and sometimes buy) a lot of books at
> >>> https://www.bookfinder.com/
> >>>
> >>> You mentioned Sound Semiconductor - here's a not-quite-up-to-date list
> >>> of relevant chips available, though I think it at least lists all the
> >>> current manufacturers. Go to each manufacturer's site to see what's
> >>> currently available:
> >>> https://electricdruid.net/analog-renaissance/
> >>>
> >>> I remember way back when the Prophet 5 and other
> >>> microprocessor/microcontroller-driven analog polysynths showed up, I
> >>> learned they used new chips that were each basically a whole synth
> >>> module in one chip, then a decade later both manufacturers quit making
> >>> the chips before I could get some and make my own polysynth. The
> >>> analog synth chips were probably yet another thing the DX7 killed. You
> >>> mentioned Sound Semiconductor - one thing you might want to do (if
> >>> this is to be a commercial product) is make sure at least one other
> >>> maker of chips can be used, if not drop-in replaceable then at least
> >>> by switching a few jumpers, so you don't end up with a lack of source
> >>> of parts.
> >>>
> >>> But then you say "I want to build an analog synth from scratch." To me
> >>> that means going back to the 1960s through mid 1970s, when oscillators
> >>> and filters were made out of op-amps and discrete transistors and
> >>> such, before the CEM and SSM chips. There's certainly value in doing
> >>> that, and learning how (for example) exponential response and
> >>> temperature compensation are done. I've wanted to at least make a
> >>> monosynth that way, but it might not be appropriate for a polysynth -
> >>> Yamaha's GX-1 and CS-80 are two "big" examples I'm thinking of.
> >>>
> >>> On Mon, 8 Apr 2024 at 20:34, Barry Klein via Synth-diy
> >>> wrote:
> >>>>
> >>>> You can’t get rich writing a book on modular synth design
> either: find a PDF copy of my book Electronic Music Circuits….
> >>>>
> >>>> Barry
> >>>>
> >>>> On Apr 8, 2024, at 4:40 PM, Pete Hartman via Synth-diy wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> On Mon, Apr 8, 2024 at 5:54 PM Paulo Constantino via Synth-diy wrote:
> >>>>>
> >>>>> Hi all,
> >>>>>
> >>>>> I want to build an analog synth from scratch. I currently work as a
> digital IC design engineer at a semiconductor company and I have good
> knowledge in analog circuit design, but I'm not that good at advanced
> analog circuitry.
> >>>>>
> >>>>> Can anyone recommend me a book or some tutorial on synth electronics?
> >>>>
> >>>>
> >>>>
> >>>> This is a perennial topic. I'm sure there are good things in the
> archive:
> >>>> https://synth-diy.org/ (about half way down the page are the archive
> links)
> >>>>
> >>>> If you can find a copy, Electronotes taught a lot of folks here the
> foundations of what they know, and worked out and explained a lot of what
> is considered standard now. Unfortunately they're no longer available from
> Bernie (and please, list members, let's not turn this into another debate
> about that topic), so you will have to find someone who is selling their
> copies. Join the sister list marketplace at synth-diy.org for your best shot
> at this.
> >>>>
> >>>> A lot of folks will recommend _Make: Analog Synthesizers_ by the late
> Ray Wilson, whose website is still available here:
> https://musicfromouterspace.com/
> >>>>
> >>>> I learned a lot from several books by Thomas Henry which are
> available at lulu.com
> >>>>
> >>>> has a lot of discussion and lots of contributions by various folks
> with "names" in this area, as well as a wiki containing a lot of circuits.
> You'll find recommended websites to look into such as https://yusynth.net/
> (https://electro-music.com/forum/)  https://www.schmitzbits.de/ (
> https://ijfritz.byethost4.com/) and a ton of other discussion.
> https://modwiggler.com has some fora that also cover this sort of thing,
> but there are lots of other topics there too, like discussions of the
> latest gear from the major manufacturers etc etc. Some of that goes on on
> E-M as well but modwiggler has been the main hub for that for a while now.
> It's all background that would be good to have even if not directly about
> the electronics.
> >>>>
> >>>> Dr Aaron Lanterman has kindly made his Georgia Tech course "Analog
> Circuits for Music Synthesis", which covers a lot of the common blocks that
> a lot of analog synths/modules use as standard, available on youtube.
> https://www.youtube.com/watch?v=mYk8r3QlNi8&list=PLOunECWxELQS5bMdWo9VhmZtsCjhjYNcV
> >>>>
> >>>> And there is some very good advice from Paul Schrieber of Synthesis
> Technology here, about things which aren't usually given much thought:
> https://www.youtube.com/watch?v=cBGyEBQnIws
> >>>>
> >>>> As for getting rich :) I think Paul S has some relevant commentary
> about that as well which should be findable in the archive.
> >>>>
> >>>> Pete
> >>
> >
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