Seedance 1.5 Pro Complete Guide: AI Video & Audio Generation in Minutes

Seedance 1.5 Pro: How It Generates Video and Sound in One Go—A Complete Technical Walk-Through Can an AI model turn a short text prompt into a ready-to-watch clip with synchronized speech, music, and sound effects in minutes? Seedance 1.5 Pro does exactly that by treating audio and video as equal citizens inside one Diffusion Transformer. What problem is Seedance 1.5 Pro solving? It removes the traditional “picture first, dub later” pipeline and delivers a finished audiovisual scene in a single forward pass, while keeping lip-sync, dialect pronunciation, and camera motion under tight control. 1. 30-Second Primer: How the Model Works …