ahh haa i had this a time back, but i was using a 4 channel mic on the sony.
After alot of messing about ( 2 weeks ) Studio finnaly put its hands in the air and said " Hey Brian you need a Extra bit for stuio and will cost you £ 9 ) so after the little down load it all worked
the down load was Dolby 2 channel
Live from Norwich !
Sony PC1000E ( Stopped working after 13months)
Sony HDR-HC3 4Mega Pixels High Def Mini DV Broke
Canon HF 10 - Broke
Waiting for the Sony HDR-GW55VE
Avid Studio, + Pinnacle Studio14, Win7 64bit 12 GIG memory, Nvidia GTX590, twin 3D display, 2Terrabyte HD