[sdiy] Electrosmith Eurorack DSP platform

Eric Brombaugh ebrombaugh at gmail.com
Fri Jan 28 16:25:47 CET 2022


Interesting idea, but I didn't try that. The external summing required 
starts to push the concept beyond the point of simplicity that initially 
made it attractive.

Eric

On 1/28/22 02:45, Mike Bryant wrote:
> 
> On Thu, Jan 27, 2022 at 11:00 PM Eric Brombaugh via Synth-diy <synth-diy at synth-diy.org> wrote:
>>
>> I was seeing harmonics down slightly better than 80dB with all the
>> mitigation measures active. Without it was more like 60-65dB. Not
>> quite as good as even an inexpensive sigma-delta I2S audio DAC, but a
>> few SMT passive parts beat that for cost & simplicity and I2S DACs
>> don't support 12MHz sample rates.
>>
>> Eric
> 
> Did you try running two systems in parallel with the second running half a sample behind and summing the pair ?   Might give a little bit performance as it would have the effect of an even higher sampling rate.
> .
> 




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