Seedance 1.5 Pro

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Seedance 1.5 Pro works as a joint audio visual generator, producing image frames and sound in one diffusion process instead of stitching separate models together. This design keeps speech, facial expressions, ambient sound, and motion tightly aligned, so characters speak naturally in different languages and dialects while the soundtrack follows scene pacing. Users can start from a text prompt, an image, or a short reference clip and guide camera paths, transitions, and shot structure to match storyboards for ads, trailers, music videos, or social content. The model is built on a Dual Branch Diffusion Transformer and trained with large scale audio video data plus reward models, which helps it handle complex scenes like crowd performances, action shots, and close up dialogue without heavy artifacts. Inference is more than ten times faster than earlier diffusion based video systems, allowing rapid iteration on multiple versions for different platforms or markets. Native support for diverse accents and dialect sensitive dubbing makes Seedance 1.5 Pro attractive for global campaigns, localization teams, and independent creators who want consistent characters and polished sound straight out of the model.