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Re: [linrad] A/D speed error?

Tnx Leif,

----- Original Message ----- 
From: "Leif Åsbrink" <leif.asbrink@xxxxxxxxxxxxxxxx>
To: <linrad@xxxxxxxxxxxxxxxxxxxxxx>
Sent: Sunday, July 11, 2004 11:25 AM
Subject: RE: [linrad] A/D speed error?

> Hi Jacob,
> > now I'm using two soundcards: first, a Creative Live 5.1 for
> > input, second, a onboard sound "CM8738" for output.
> > The first is set to 48000 Hz sampling rate, and the
> > second is set to 6000 Hz.
> Seems fine.
> > When I'm going to setup Linrad, in last parameters window,
> > I see that Linrad gives a WARNING about the different
> > sampling rate of the two soundcards.
> > This message is an error or not?
> This is no error because your hardware does indeed support
> different speeds.
> Some old soundcards look to the application program as if they
> were full duplex with separate input and output speed but in
> reality they always use the same speed for both input and output.
> Linrad sets the input speed first. If the output speed is set to
> something else on such a board, the input will change and Linrad
> will not know about it with various errors as a consequence.
> That is why there is a warning.
> > And, when I run Linrad, I see on the screen this:
> > A/D speed error.
> This should not happen. Something is wrong. Probably something
> steals cpu time so the sound card driver looses data occasionally.
> Maybe Linrad is swapping to disk because you try to use more
> memory than you actually have. Try memlock, you may change the
> parameter in par_userint with a text editor.
> 73
> Leif  /  SM5BSZ