Updating a mix is a basic feature of any automated audio mixing technology. Digital multitrack consoles do this and so do many software based products.
If what you say is true I can only scratch my head in wonder.
Seems to me tha lack of machine control for the firewire interface will be the biggest deterent to using the camera as a feeder. I’d venture a guess that a lot of folks who are going to be renting these cameras will want to use a firewire capture of some sort.
A bit of a hassle when both cameras are used for sure. So, the answer to my question is yes, a standard DVCPRO66 tape can be used in the HVX900? As opposed to a particular tape stock for HD.