[simpits-tech] Re: [simpits-tech]Sound Card for analog I/O

[Andreas Fransson]

I don't know how the slave pc setup works with F4, but with FS2k2 and
FSUIPC/WideFS this is not only possible, but preferred. And if you are using
a slave pc do run the gauges, the computer part is "free".

Andreas
http://valhallainc.no-ip.com (new addy!)


From: "Craig Rochester" <johncraigroch@msn.com>
> Hi Andreas,
>
> After re-reading my post this morning, I'd like to clarify the work to be
> done to make this work for simming:
>
> * Determine the feasibility of running multiple sound cards concurrently
> with sims like Falcon4.  I've installed two sound cards in my PC with no
> conflict.  I did not use them both at the same time(have concurrent
> outputs).
> *  Can each of the 4 channels be driven independently for "volume"(sine
wave
> amplitude)?  I.e., for two stereo channels can the volume for each channel
> be commanded independently?  I've done this by manipulating the
> volume/balance sliders from the windows sound card software.  How does one
> do it from code?
> * What will be the computational hit for FPS doing this?
> * Would it be preferable to use a "slave" PC with the I/O sound cards
> networked to the PC running the sim?  I'm moving in this direction.
> * How many sound cards can one PC use at once?
>
> The technical areas where I'm lacking(understatement :))are: Windows DX
> DirectSound programming,  PC architecture related to sound cards vs.
> multiple applications running concurrently.
>
> I've had some success jury-rigging VC++ apps to interface to Falcon4.
I've
> got a usable head-tracker app working.
>
http://pages.zdnet.com/johncraigrochester/sitebuildercontent/sitebuilderfile
> s/headtrack.zip  I find sample source code like the  "memreader" (
>
http://www.eagle9.nl/redir2.asp?lokatie=/main/Programming/F4%20Data%20Extrac
> tion/default.asp ) file and cut and paste it with other code for what I
want
> to do.  Then I debug it by trial and error.  It's a painful and humbling
> process. :)  The code for initializing a second sound card and then using
> it, has been more than my "back-yard mechanic" skills are up to.
>
> If anyone could point me to a website or book that I could use, I'd really
> appreciate it.
>
> Craig R.