[Mike Rivers]

On Mar 26, 10:11 am, "Arny Krueger" wrote:
The UCA 202 is one of those devices that is almost too dumb to be broken in
as sophistcated way as we see happening here.

That's what I was hoping, and why I decided to give it a try.

It's device driver is the one
for USB devices that comes with Windows, right?

Yes, there's no separate driver installation. Plugging it in for the
first time comes up with the "Found New Hardware" popup, and Windows
does its thing.

BTW, is this a SP2 XP system?

One of the two laptops is. The one I've been doing most of the testing
on is the one that's running SP1 and refuses to complete the
installation of SP2 both on-line and when I download the installer
file and run it locally. I've forgotten what the excuse it gives is, I
recall something like 'missing components'. However, I have the same
results with another laptop computer that's up to date with SP2 and
whatever other updates Windows thinks it needs. There are some
differences between what the two computers have installed, but most of
their audio setups are identical.

At this time my best guess is that there is some piece of software or device
driver installed on your computer, that is mucking up the works. I am very
surprised that whatever this software is, it is capable of subverting the
device selection feature of the Rightmark program.

Well, that's the problem - how to find it. I just don't know any way
to find such a problem, only to hopefully eliminate it by removing
everything and rebuilding from scratch, testing RMMA along the way to
find out what makes it stop working. Chances are pretty good that I'll
find nothing.

My next approach would be to uninstall everything that is related to sound
devices in the add/remove programs in the control panel. I would then obtain
the latest-greatest driver for your onboard sound device, and update it.

This is an old Dell, and they aren't very good about latest greatest
drivers. I probably have it, but I'll see if there's anything
available on the web site. But do you think that it's the SigmaTel
driver that's screwing up RightMark when running with any other audio
device?

Well, I think I just found the problem.

The itty bitty Monitor switch was on, and that was apparently what was
causing the feedback. Turning it off gave me pretty much the expected
results, in fact, better than what I had measured with real test
equipment. But by sticking a mixer channel in line, I'm able to see
changes in the frequency response when I diddle the equalizer
controls, and that indicates to me that it's not lying.

It's still very fussy about level setting and the crosstalk indicator
flashes a lot when setting the level, but it's usable. I don't have a
handle on using it with the Digigram card yet though. It has its own
driver (yup, I have the latest though that doesn't seem to affect
anything) and its own mixer control panel. When I mute the Monitor
slider on that one, the RightMark signal goes away entirely even
though the Digigram meters (on its mixer) still show input and output.
And with the monitor switched on, RightMark behaves like the
Behringer, appearing to be in a feedback state that approaches unity
gain when close to the level at which the program likes to work.

So I guess I have at least partial success, and as I suspected, the
problem wasn't with the computer or the interface, but with the human
attached to the buttons.

Thanks for hanging in and not leaving me with an excuse to give up too
soon.

I still don't have a handle on getting it to work