Open the tools page and choose AI sound effect. Describe the sound you want (for example, thunder rumble, city traffic ambience, sci-fi whoosh). VideoGen returns several options—preview them and download the one that fits.
Where it helps
Ambience and texture (rain, wind, crowd murmur) to make scenes feel more immersive.
Transitions and punctuation (swishes, beeps, risers) for section changes or emphasis.
Custom SFX when stock libraries do not match your story or brand.
Layering multiple clips for a richer overall mix.