Need some help with the HD PVR 2

[Derplordsnuffy 28]

All right so I recently got a happague HD PVR 2 Gaming Edition capture card and Sony Vegas movie maker HD 11 (not pro or platinum just regular old vegas). only problem is When I get my game footage over to Vegas theres no game audio. any idea why? Can anypony tell me how to fix it?

[SPLinux 380]

Not familiar with that card but i will still do my best to help, What system are you using to record with? Were you using HDMI or a component connection? Have you upgraded the drivers for the card?