[sdiy] midi 2 cv

MAKoot MAKoot makoot at gmx.net
Sat Nov 8 12:48:54 CET 2003


> ok, somethings to understand,
> By BITRATE I assume you mean the refresh of the DACs?
> the faster they update, in theory the less notes/data they will miss, but
> given MIDI isn't that fast, this is only valid to a point.
 
Yes your right, I'm sorry I meant the ammount of bit-resolution of coarse,
not bitrate. I accidently took the wrong word..

> no, you're right, BUT the catch is that DACs arent that linear or stable,
> for example a typical 8Bit DAC will have a linearity of 1LSB, this means
> the
> value could change by 1LSB with each change in value..
> If you goto something like a 16Bit DAC the same applies, but becuase we're
> talking about 16Bits (we move the data we want into the top 7 bits) then
> error (1LSB) is much much smaller (256 times smaller)...

So I guess with higher precision DAC's you will get more precise CV-outs?
But instead of shifting can't you just cover a key over more bits, wouldn't
that work aswell?, because that would still mean those lower bits (LSB´s)
wouldn't just been "thrown away". Would that work?

Michiel

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