Bytedance family
# Seedance 1.5 Pro High-fidelity video generation with synchronized audio. ## Overview Seedance 1.5 Pro represents a significant leap in generative media, offering a sophisticated joint audio-video architecture designed to bridge the gap between static imagery and immersive storytelling. Unlike traditional video models that focus solely on visual motion, Seedance 1.5 Pro interprets complex, multi-layered prompts to synthesize visuals alongside perfectly synchronized audio, ensuring that the soundscape evolves in tandem with the on-screen action. This model is engineered for high-performance creative workflows, making it an ideal choice for marketing teams and ad agencies that require rapid iteration without sacrificing narrative coherence. By leveraging advanced temporal consistency, Seedance 1.5 Pro minimizes the jitter often found in AI-generated video, resulting in professional-grade clips that feel intentional and polished. Whether you are creating short-form social media content or high-concept visual assets, this model provides the control necessary to execute specific creative visions. ## Use Cases * **Social Media Ad Campaigns:** Generate high-engagement, short-form video ads for TikTok, Instagram Reels, and YouTube Shorts with integrated, relevant sound design. * **Product Teasers:** Transform static product photography into dynamic, cinematic motion sequences that highlight key features with synchronized audio cues. * **Storyboarding and Concepting:** Rapidly prototype visual concepts for client pitches, allowing agencies to visualize complex narratives before committing to full-scale production. * **Brand Storytelling:** Create atmospheric background visuals for brand websites or digital displays that feature ambient, synchronized audio to increase user dwell time. * **Influencer Content Enhancement:** Convert static influencer assets into short, high-quality video clips that stand out in crowded social feeds. ## Parameters Seedance 1.5 Pro offers a robust set of configuration options to fine-tune your output. Please refer to the parameter input table in the Pixloop interface to adjust settings such as resolution, aspect ratio, frame rate, and camera movement to suit your specific project requirements. ## Tips for Best Results * **Use Descriptive Prompts:** Because this model excels at following complex instructions, provide detailed descriptions of both the visual action and the desired audio atmosphere. * **Leverage Image-to-Video:** For brand-specific content, use the image input parameter to ensure the generated video maintains consistency with your existing brand assets. * **Optimize for Platform:** Select the appropriate aspect ratio (e.g., 9:16 for mobile, 16:9 for desktop) before generating to avoid the need for post-production cropping. * **Experiment with Camera Settings:** Use the 'camera_fixed' toggle to distinguish between static, product-focused shots and dynamic, cinematic sequences. * **Iterate with Seeds:** If you find a visual style you like, record the seed value to maintain consistency across multiple variations of the same prompt. ## About Seedance 1.5 Pro is a cutting-edge generative model developed by ByteDance, optimized for high-speed, high-quality creative output. As a joint audio-video model, it represents the latest in multimodal AI research, specifically tuned for the demands of modern digital marketing. By integrating audio synthesis directly into the video generation pipeline, it eliminates the need for external sound design in the early stages of creative development, streamlining the path from concept to final asset.
Model input reference derived from preset schema.
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| seed | integer | No | null | Seed for reproducible generation. Range [-1, 2^32-1]. |
| image | image | No | null | Input image for image-to-video generation (first frame) |
| prompt | string | Yes | null | Text prompt for video generation |
| duration | integer | No | 5 | Video duration in seconds. Seedance 1.5 Pro range [4,12]. |
| resolution | select | No | "720p" | Video resolution. Default 720p. |
| aspect_ratio | select | No | "adaptive" | Video aspect ratio (maps to the `ratio` field). Default adaptive. |
| camera_fixed | boolean | No | false | Whether to fix the camera position. |
| generate_audio | boolean | No | true | Generate synchronized audio (voice/SFX/music). Put dialogue in double quotes in the prompt. |
| last_frame_image | image | No | null | Last frame image. Only works if a first frame image is also provided. |