We need about 100-200 Hz. That will be quite enough.
And we are doing a long-term analysis (the samples will be averaged over a
couple seconds) so there is no problem in losing a couple samples.
> The bottom line is that this is a broken design/architecture; this kind
> of sampling really should be done in hardware. The problem is that this
> appears to be some kind of school project, with artificial design
> constraints. Given that we generally don't optimize for broken designs,
That's right.. I would have used a proper sound card but our subject is
"Sound recording and analysis in hardware" and the PC was originally
supposed to be only for displaying the samples. (Now we use it to display
average values as well, but that's another issue.)
> we shouldn't be surprised if there isn't a good way to do this using
> standard Linux interfaces.
I would be glad if there was. Otherwise we would have to do it in DOS and I
have no initiative to start fiddling with interrupts and IO adresses.
-- _ciao, Jens_______________________________ http://www.pinguin.conetix.deWindows NT indeed has very low Total Cost of Ownership. Trouble is, Microsoft _owns_ Windows NT. You just licensed it.
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