Howto gang two sound card outputs together

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http://forums.fedoraforum.org – Hi I have two sound cards on this computer, I'm trying to set pulseaudio to output to both at the same time. I've tried with PAprefs but not having any success. if there a preferred way of doing this? ie so what ever application is using sound the output audio is routed to both cards at the same time. Thanks (HowTos)