Re: weird problem...sound card disappears from Media Encoder

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From: TedLarsen (TedLarsen_at_discussions.microsoft.com)
Date: 01/05/05 

Date: Wed, 5 Jan 2005 14:43:06 -0800

Thanks for your help Neil. To answer your questions, yea, everything
(recording and playback) both work fine even after the card disappears from
encoder.

In one machine, we used the Sound Blaster Live sound card, the other was
onboard, built into the motherboard, so we used that one, instead of moving
the Sound Blaster card over. So it's happened with two completely different
sound cards in two different machines.

I wonder if Gary is on to something.... We do access this server remotely
from time to time, but audio mapping is disabled on it, so I don't know if
that would still cause problems connecting remotely... Any ideas?

"Neil Smith [MVP Digital Media]" wrote:

> On Mon, 3 Jan 2005 12:13:07 -0800, TedLarsen
> <TedLarsen@discussions.microsoft.com> wrote:
>
> >Do you mean, am I sure that the sound card is still working properly when
> >I'm running the encoder? The answer is yes, it still works properly, after
> >the encoder loses it.
>
> OK I think I misread what you'd said, and thought it actually
> disappeared from device manager.
>
> >was losing the card, which was causing the encoder problems. But upon further
> >examination, the sound card is still listed in the Device Manager after Media
> >Encoder loses it, or even when launching Media Encoder
>
> I've never seen this problem so anything I say is only going to be
> guesswork - probably the reason you've not seen it on newsgroups or in
> a google is the same reason I haven't, it's just not been reported, at
> least in the last year or 2. So probably its very uncommon.
>
> >device installed" error. When we get that error, the first thing we did was
> >check device manager, and test the sound card to make sure it's still working
> >properly, and it does.
>
> I'm thinking, that playback differs from recording and it's the
> recording side of the soundcard that WME uses.
>
> Just to clarify, you tested *recording* eg using sound recorder (is it
> still in WS2003 ?!) from the same source (mic, line-in etc) as WME was
> using, and that worked OK, yes or no ?
>
> >But to double check this, we set up the new server (the second one I
> >mentioned with onboard sound) to see if it was some sort of hardware problem
> >or incompatibility. After first thinking this fixed the problem (the encoder
> >ran fine for a week on the new server, which has the onboard sound card)
>
> Q : Did you use the same physical sound card, or the same brand of
> sound card, or an entirely different brand and device to check this
> out ? Or did you transfer the (suspect) sound card to the second
> server?
>
> >So the problem is definately related to how Media Encoder determines if
> >there is a sound card installed or not. It's simply losing the ability to
> >"see" a card is there, randomly, for some reason.
>
> WME has its problems although they usually turn up with TV cards.
>
> I suppose one of the things is people rarely run it for a week at a
> time, so stuff like this will be hard to replicate ;-)) Do let me know
> if you have any other thoughts or ways to diagnose this.
>
> Cheers - Neil
>
>

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