Orca, IDJC and Airtime

Hello

Our community online radio station is going to be manned primarily by a user who uses speech output and screen magnifiers.

We have IDJC and Airtime working on Ubuntu 11.10 - magnification provided by Compiz magnifiers and are fine.

Speech output is working using Orca but seems to conflict with IDJC.

Has anyone else circumvented such conflict issues and if so how?  Would a second sound card dedicated to Orca output be suitable?

All ideas welcome.

Thanks

Jason