[sdiy] Can google's free* 180nm OSHW foundry be used for synth parts?

[Mattias Rickardsson]

<grant at musictechnologiesgroup.com> skrev:

>
> Do any hardware synths have polyphonic noise?
>

I guess you mean hardware-based noise generation... and then none come to
mind. (Only some analog hardware instruments with *digital* noise
generation: Elektron Analog Four, Analog Keys, Analog Rytm, and Syntakt,
which all have independent noise per voice.)

Seems like quite an unnecessary feature in a pure hardware synth. Perhaps
some drum machine, though? In Roland's 909 and/or 808, some phasing-like
noise effect can appear when sounds like SD and CP are played
simultaneously, due to summing of two differently filtered/amplified
versions of the same noise signal. Using samples doesn't give the same
result, and it could potentially be worth avoiding.

Back on topic - I'd suggest joining the 64 OTAs for minimizing noise and
maximizing linearity - not the other way around. :-)

/mr

>
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