VFX
In terms of special effects, the work mainly involved creating smoke from cigarettes and tire tracks left on snowy ground. For the smoke, I boldly utilized Runway’s video editing model, which allowed the generated results to perfectly align with my reference footage, thereby enabling the generated video to blend seamlessly into the film. As for the tire tracks, I adopted the solution suggested by Gemini, using a patch combined with a displacement map to simulate the effect of snow being pushed aside by the tires, and employed an animated opacity map to achieve a growing material effect.
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SFX
For the vocal audio, I experimented with both text-to-audio and voice conversion AI techniques, ultimately guiding the AI with my own recorded audio to generate speech that matched the emotional tone of the dialogue.