[sdiy] Chopper circuits for audio and CV?

Ben Stuyts ben at stuyts.nl
Sat Jun 5 17:42:54 CEST 2021


If you have a problem, please complain to me and keep it off the list. Also: please chill.

Thanks,
Ben


> On 5 Jun 2021, at 01:31, cheater cheater <cheater00social at gmail.com> wrote:
> 
> Gordon, sorry, I have to call it out. This year your messages to the
> list - in reply to me or others - were almost always of the form "this
> is stupid and can't be done" with no factual backing. Then some other
> people come along, and prove you wrong. This is coupled with a less
> than friendly demeanor. It keeps on happening. Please stop doing that.
> If you don't have anything positive or constructive to send to the
> list, just don't send anything. No one needs your negativity or
> erroneous "can't be done"s. Keep the list constructive, friendly, and
> factual.
> 
> On Fri, Jun 4, 2021 at 8:28 PM Gordonjcp <gordonjcp at gjcp.net> wrote:
>> 
>> On Wed, Jun 02, 2021 at 09:58:31AM +0200, cheater cheater via Synth-diy wrote:
>>> Hi all, I was wondering if anyone ever tried using a chopper circuit
>>> to put 16 voices of full bandwidth audio over one 1/4" cable. Also,
>>> the same thing goes for CV. Is that a feasible use case? What are the
>>> biggest problems that could be encountered here? I assume that the
>>> chopper clock can be distributed separately using a 50 ohm terminated
>>> distribution.
>> 
>> Is this the same thing you were banging on about soemthing like two years ago?
>> 
>> Modular synths are a bit of a waste of time, and particularly unsuitable for polyphonic stuff.
>> 
>> If you really want to make a patchable polyphonic synth, I suggest - as I did about this time two years ago - that you entirely forget about analogue and implement the whole lot in a DSP, or fast microcontroller.
>> 
>> At least prototype it digitally, so you can see how well the idea of a patchable polysynth works.
>> 
>> You'll very quickly find that there's a good reason why the Minimoog kill off modulars for good.
>> 
>> --
>> Gordonjcp
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