This was my first time using Vegas Pro ever. And since Darkseid's Beatbox was faster than the song, I had to slow it down correctly, but I felt like the speed was always irregular, so I kept splitting every 8 bars and slowed them down individually to make it go smoother. My goodness, that was a lot of work for an amateur like me.
For the video effect, you just add Convolution Kernel (Preset: Emboss) and Invert into the Video Event FX and minimize/maximize the offset of the Emboss, depending on whether you inverted before or after.
Here is Verbalase's original video: • Darkseid Vs Thanos - Cartoon Beatbox ...
This video made by AdamGT Studios really helped me a lot, go check it out if you want to vocode any video yourself: • How to Vocode videos to Gangsta's Par...