Thanks for replies.
It made me think!
I'm using a usb mixer, which has a built-in soundcard, so my mic goes into the computer though that, but what I did not think of, is biab also goes into it, so it goes out with the mic signal.
I do it like that so I use earphones plugged int mixer, an I can hear it all while singing.
I'll be have to have a rethink of connections.

Thanks again

Roy


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