[sdiy] Mixing PWM audio from 2 different devices. Ouch!

[rburnett at richieburnett.co.uk]

It's worth trying a couple of 1st-order passive RC filters.  They'll 
reduce the high frequency components to some extent, and it's probably 
the highest frequencies that are causing the most trouble.

On 2023-07-20 19:21, Tom Wiltshire wrote:
> Two or three op-amps for a couple of filters and a mixer *is* "cheap
> and skimpy"!! We're talking about $1 of parts and 2 sq inches of perf
> board!
> 
> T
> 
>> On 20 Jul 2023, at 19:05, Benjamin Tremblay via Synth-diy
>> <synth-diy at synth-diy.org> wrote:
>> 
>> Thanks all!
>> 
>> I have to decide if it’s worth fixing. Trying to be cheap and
>> skimpy on this project.
>> I’m going to guess I could have similar problems mixing the
>> outputs of gadgets like the PT2399.
>> 
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
>> http://synth-diy.org/mailman/listinfo/synth-diy
>> Selling or trading? Use marketplace at synth-diy.org
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
> Selling or trading? Use marketplace at synth-diy.org