Weird soundcard issue

JacquesK · 19th May 2008, 03:05 AM

Hi all, i have a i issue with my sound card receiving a signal generated well by my sound card. I started using the speaker workshop software and i am i bit stuck..

I have successfully generated a tone through my wallin jig and on the the other side connected it to my sound card but it is not showing any signal i hooked my oscilloscope to the jig and i see a signal but its not showing in the software and now the weird part if i unplug the jig and generate a signal with my signal generator to the sound card i can see a nice generated sine wave. How can this be i mean the frequency and the voltage of the sig generator and the signal from the sc is more or less the same. Has anyone had this problem.

Thanks.

Jacques

dnsey · 19th May 2008, 06:07 AM

What's your soundcard?

If it's not capable of full duplex operation (though virtually all are these days), or not configured as such, it will not be able to both send and receive a tone at the same time.

19th May 2008, 03:05 AM	#1
JacquesK diyAudio Member Join Date: May 2008	Weird soundcard issue Hi all, i have a i issue with my sound card receiving a signal generated well by my sound card. I started using the speaker workshop software and i am i bit stuck.. I have successfully generated a tone through my wallin jig and on the the other side connected it to my sound card but it is not showing any signal i hooked my oscilloscope to the jig and i see a signal but its not showing in the software and now the weird part if i unplug the jig and generate a signal with my signal generator to the sound card i can see a nice generated sine wave. How can this be i mean the frequency and the voltage of the sig generator and the signal from the sc is more or less the same. Has anyone had this problem. Thanks. Jacques

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19th May 2008, 06:07 AM	#2
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	What's your soundcard? If it's not capable of full duplex operation (though virtually all are these days), or not configured as such, it will not be able to both send and receive a tone at the same time.