What version of Premiere Elements on what computer operating system.
The DV and HDV data capture firewire into Premiere Elements capture window are gone in Premiere Elements 13/13.1 and 14. The following Adobe documents gives suggested workarounds for the situation.
Firewire, not USB, is the way to go.
Depending on your computer operating system, there are 3rd party firewire capture programs that will give you the split clips to import into the Premiere Elements project.
HDVSplit HDVSplit 0.77 beta
Please consider and supply more information.
Add On to post 1....
Just took a look at Roland V-4EX video mixer, which basically looks like a webcam operation.
If the device is being recognized by the Premiere Elements Add Media/Get Media Webcam choice and you are getting audio but no video, then
we need to talk about the properties of the source....
interlaced or progressive
pixel aspect ratio
Are you recording 480p59.94 with that device? Premiere Elements project settings to explore before Webcam choice is selected - you would see File Menu/New/Project Change Settings for setting the project preset manually to
DSLR 624 x480p60