[sdiy] DSP MIDI Synth (was Re: 566 Functional Replacement)

paula at synth.net paula at synth.net
Mon Mar 19 17:13:41 CET 2018


The Korg Poly 800 did alright with that :)

On 2018-03-19 13:43, Tom Wiltshire wrote:
> Yeah, yeah, I know…but one filter, one VCA, and one set of envelopes
> is monophonic to me, even if it has got five oscillators ;)
> 
>> On 19 Mar 2018, at 11:53, paula at synth.net wrote:
>> 
>> 5 voice paraphonic, not monophonic..
>> 
>> it's just nuts, I'd love to hear some better quality demos (i.e. 
>> non-mobile phone microphone)
>> 
>> On 2018-03-19 11:30, Tom Wiltshire wrote:
>>> That’s an interesting read.
>>> There’s several things that strike me straight away:
>>> 1) Naive oscillator waveforms with no band limiting
>>> 2) Linear envelopes with 30ms steps, so no fine adjustment at the 
>>> fast end
>>> 3) Very basic filter code
>>> I still think getting a entire DSP mono synth into an 8-pin DIP is
>>> quite impressive, especially in C, but a 32-bit ARM chip can produce
>>> better sound than this is going to.
>>> Tom
>>> ==================
>>>       Electric Druid
>>> Synth & Stompbox DIY
>>> ==================
>>>> On 19 Mar 2018, at 10:16, Vladimir Pantelic <vladoman at gmail.com> 
>>>> wrote:
>>>> On 18.03.2018 19:31, Roman wrote:
>>>>> And it sounds like crap and makes unpredictible things.
>>>> that's perfect for a Eurorack module then! ;)
>>>> btw, source code is here for the curiously inclined:
>>>> https://www.hackster.io/janost/the-dsp-gplug-midi-synth-80b2aa
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