Seedance 1.5 Pro AI Video Generator
ByteDance's revolutionary joint audio-video model. Generate cinematic videos with perfectly synchronized lip-sync, immersive 3D soundscapes, and professional camera movements in a single pass.
Video Generator
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Key Features
Joint Audio-Video Generation
Generate synchronized video and audio in one pass using Dual-Branch Diffusion Transformer (MMDiT) architecture
Millisecond-Precise Lip Sync
True lip-sync technology locks phonemes to visemes with millisecond precision for natural speech
Cinematic Camera Control
Execute complex camera movements including long-lens follow shots and Hitchcock Dolly Zoom techniques
3D Spatial Sound Design
Intelligent scene analysis generates layered environmental sounds with professional depth and immersion
Multilingual Voice Support
Native support for English, Japanese, Korean, Spanish, plus Chinese dialects like Cantonese and Sichuanese
Physics-Audio Synchronization
Automatically sync audio spikes to visual events - glass shatters, footsteps, and impacts perfectly aligned
Seedance 1.5 Pro Video Gallery
Explore videos created with this model
Pricing
Transparent credit-based pricing
No Audio
credits per video
With Audio
credits per video
No Audio
credits per video
With Audio
credits per video
No Audio
credits per video
With Audio
credits per video
No Audio
credits per video
With Audio
credits per video
No Audio
credits per video
With Audio
credits per video
No Audio
credits per video
With Audio
credits per video
How to Use
Create cinematic videos with synchronized audio in three steps
Choose Input Type
Select text-to-video for prompts or image-to-video to animate still photos
Craft Your Prompt
Describe the scene, dialogue, sound effects, and camera movements you want
Generate & Download
Generate your video with synchronized audio and download when ready
Choose Input Type
Select text-to-video for prompts or image-to-video to animate still photos
Craft Your Prompt
Describe the scene, dialogue, sound effects, and camera movements you want
Generate & Download
Generate your video with synchronized audio and download when ready
Technical Specifications
Use Cases
Short Drama & Narrative
Create compelling short dramas with synchronized dialogue, emotions, and cinematic storytelling
Commercials & Ads
Produce professional product promos with perfect audio-visual sync and brand messaging
Localized Content
Generate region-specific content with native dialect support for global markets
Game Cutscenes
Create immersive game cinematics with spatial audio and dynamic camera work
Social Media
Generate engaging short-form content for TikTok, Reels, and YouTube Shorts
Stage Performances
Produce stage-style performances with synchronized music, dialogue, and sound effects
Related Video Models
Frequently Asked Questions
Find answers to common questions about this model
Seedance 1.5 Pro is ByteDance's advanced joint audio-video generation model. Unlike traditional "video + dubbing" approaches, it uses a Dual-Branch Diffusion Transformer (MMDiT) architecture to synthesize sound and vision simultaneously in a single unified process.
Seedance 1.5 Pro features true lip-sync with millisecond precision, physics-audio synchronization (audio spikes match visual events exactly), and 3D spatial soundscapes with layered environmental effects based on scene depth.
The model natively supports English, Japanese, Korean, Spanish, and multiple Chinese dialects including Cantonese and Sichuanese for authentic localized storytelling.
Seedance 1.5 Pro generates videos of 4-12 seconds in 480p, 720p, or 1080p resolution at 24 frames per second. Professional 1080p videos can be generated in just 30-60 seconds.
The model can execute complex cinematic techniques including close-ups with subtle expressions, full shots with atmospheric detail, long-lens follow shots, and even advanced techniques like the Hitchcock Dolly Zoom.
Seedance 1.5 Pro supports both Text-to-Video (T2V) and Image-to-Video (I2V), allowing you to create videos from text prompts or animate still photos with professional camera work and matching audio.
While other models focus on world-building or physics simulations, Seedance 1.5 Pro excels at precise audio-visual synchronization. It's designed as a production tool for creators who need tight audio-video integration rather than a novelty generator.
Seedance 1.5 Pro is ideal for short narratives, commercials, product promos, scene vignettes, localized short dramas, stage-style performances, game cutscenes, and any content benefiting from tight audio-visual integration.
Start Creating with Seedance 1.5 Pro
Experience the future of AI video generation with synchronized audio-visual content