Sound Blaster as Data Aquisition

[Brendan Simon]

> run the dc thru a voltage to frequency convertor first, then digitize with
> the sound blaster.
> you could then save the result as a wave file (am assuming PC with windows
> vs. eg mac)
> the format of a wave file is probably on the internet "somewhere" and
> "somewhere" on my hard
> disk is a MATLAB file that can read it as an array of numbers that can be
> FFTed, graphed, displayed
> or whatever. (or run the pitch thru a lookup table to reverse the v2f
> converter.)
> Matt Smith
> masmith089 at qnet.com
> Mailer Eudora 1.5.2

What kind of accuracy can you get (do you expect) from such a system ??

I would think it would not be as good as direct DC sampling.  
Any comments from anyone who has tried ???


-- 
Brendan Simon
Dept of Digital Systems, Monash Uni, Melbourne, Australia.
brendan at rdt.monash.edu.au
http://www.rdt.monash.edu.au/~brendan