Larry,

I haven't tried it, but try setting the DeviceID. MSKB #Q180032 says it works in VB.

>Hi,
>
>Has anyone ever recorded a file on one sound card while playing a message on another sound card?
>
>We are currently recording telephone conversations to wma format using a sound card and the standard Windows Media Player ActiveX control.
>
>We have successfully played a pre-recorded message into the phone conversation AND recorded that message at the same time! We did this with one ActiveX control playing and one recording using the same sound card.
>
>We now want to try this using two sound cards, but I need to know how to tell each ActiveX control which sound card it's supposed to use. The sound cards are identical Create Soundblasters.
>
>Any ideas?
>
>TIA
>
>Larry