I have magix V17 Pro. I want to use chroma key to impose a video foregraound charactor with green chroma key background over the top of a background Creek video scene as per Pg 35 of the user manual. But have nto been able to make it visible! The background is fine. The creek has water noises. The foreground image of a person is not visible, but I can her her voice. The manuasl doesn't go into enough detail on how to do this. Please help.
Kirk