Glossary

Lip Sync

Lip sync matches a character's mouth movements to spoken audio. Learn how AI video models generate synced speech natively or from a voice track.

Video-to-Video (V2V)

Video-to-video (V2V) transforms existing footage with a text prompt — restyle, replace objects, or extend clips. Learn how it works and how to prompt it.

Image-to-Image (I2I)

Image-to-image (I2I) is an AI technique that transforms an existing image using a text prompt and reference images. Learn how it works and when to use it.

Text-to-Image (T2I)

Text-to-image (T2I) is an AI technique that turns a written prompt into a finished image. Learn how it works, what it does best, and how to prompt it well.

Image-to-Video (I2V)

Image-to-video (I2V) is an AI technique that animates a still image into a video clip, using your image as the first frame. Learn how it works and when to use it.

Reference-to-Video (R2V)

Reference-to-video (R2V) is an AI technique that uses reference images to keep characters, products, or styles consistent across generated video. Learn how it differs from image-to-video.

Text-to-Video (T2V)

Text-to-video (T2V) is an AI technique that turns a written prompt into a moving video clip. Learn how it works, what it does best, and how to prompt it well.

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