[sdiy] Midi2CV accuracy(was MIDI2CV alternatives)

[Maarten Halmans]

> Not very. You'd get beating at 0.5Hz, which most people wouldn't find too
> obviously objectionable. 1Hz would start getting problematic.
>
> It's usually assumed that for the mid-range, human pitch discrimination
can
> hear differences of around 2Hz. But that's a monophonic situation playing
> two discrete frequencies. When playing polyphonically 0.5Hz would be a
> comfortable kind of resolution to aim for. But you'd more usually see that
> specified as a ratio in cents, rather than as an absolute frequency.
>
> >So the desired accuracy is even better than 0.1% or am I missing
something?
>
> It depends how picky you are. It's usually assumed that hardware with 1
> cent accuracy - that's 1% of a semitone - is exceptionally good. 1% of a
> semitone on a 1V/oct converter is 833uV, which is a fairly relaxed kind of
> spec and seems to be adequate even for polyphonic use.
>

> Richard
Thanks a bunch, that was exactly the info I was looking for.
Maarten