Lens Studio is a free virtual character creation program from Snapchat. You can create virtual characters and animation clips with various functions. By registering the created result as a Snap chat lens, you can chat with a real-time virtual character on Snapchat or participate in a meeting with a Zoom video conference Virtual Camera. The video below shows various results by utilizing the function.
You can download it from here. Good tutorial is here. You just need to follow it.
It is possible to create the following videos using the video clips created in this way using DeepFake technology. I will give a more detailed explanation of the contents that I applied to my lecture in the next section.