Seedance 1.5 Pro AI Video Generator
Seedance 1.5 Pro by ByteDance generates video and audio together in a single pass—no separate audio editing needed. Create 4-12 second videos at up to 1080p with natural lip sync in 8+ languages, cinematic camera movements, and production-ready quality.
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Seedance 1.5 Pro: Video and Audio Created Together
Seedance 1.5 Pro is the first AI video generator that creates synchronized audio and video in one step—delivering production-ready content without separate sound editing.
Audio and Video Generated in One Pass
Unlike traditional tools that add sound after video creation, Seedance 1.5 Pro creates both together with millisecond-level precision. Background sounds match the scene, voice overs sync perfectly with lip movements, and music cues align with visual rhythm. No audio editing tools needed—just describe what you want and get a complete video with matching sound.
Natural Lip Sync in 8+ Languages
Seedance 1.5 Pro supports lip synchronization for English, Mandarin, Japanese, Korean, Spanish, Portuguese, Indonesian, and Chinese dialects including Cantonese and Sichuanese. Each language features natural mouth movements that match spoken words at the syllable level. Perfect for creating localized content without re-shooting or hiring voice actors.
Cinematic Camera Movements
Control professional camera techniques through simple text prompts. Seedance 1.5 Pro supports push-ins, tracking shots, orbital movements, over-the-shoulder angles, and slow-motion effects. You can also request handheld documentary-style shots or smooth crane movements. Describe your vision in natural language and the AI handles the cinematography.
Sharper Details with Less Distortion
Seedance 1.5 Pro delivers higher visual quality with reduced jitter and cleaner motion. Facial expressions look natural, textures stay consistent, and movements flow smoothly without the artifacts common in other generators. Combined with processing speeds 10x faster than previous versions, you get professional results in under a minute.
From Prompt to Video with Sound in 3 Steps
Create complete videos with synchronized audio using Seedance 1.5 Pro AI video generator
Choose Your Input Method
Select Text-to-Video to create scenes from written descriptions, or Image-to-Video to animate a still photo into motion. Both modes support audio generation—specify voice overs, background sounds, or music in your prompt.
Set Video Parameters
Pick your video duration (4-12 seconds), resolution (720p or 1080p), and aspect ratio (16:9 for landscape, 9:16 for vertical, 1:1 for square, or 21:9 for ultrawide). Add camera direction like tracking shots or slow zooms in your prompt.
Generate and Download
Click generate and receive your video with synchronized audio in under a minute. Output is MP4 format, ready for immediate use on social platforms, in presentations, or in your video editing software.
Why Seedance 1.5 Pro Stands Out
Key advantages that make Seedance 1.5 Pro the top choice for AI video generation with audio.
🔊 No Separate Audio Editing Required
Other tools generate silent video, then you add audio manually. Seedance 1.5 Pro creates both together with millisecond precision—voice, music, and sound effects all synchronized automatically.
🏆 Ranked #1 on Video Generation Leaderboards
On Artificial Analysis public benchmarks, Seedance ranks first for both text-to-video and image-to-video quality, outperforming major competitors in user preference voting.
⚡ 10x Faster Than Previous Versions
Get 1080p video with audio in under a minute. The optimized processing means rapid iteration—test multiple concepts quickly without long waiting times.
🌍 Multilingual Content Without Re-Shooting
Create the same video in English, Japanese, Spanish, or Chinese dialects. Natural lip movements adjust to each language, letting you reach global audiences from a single production.
✨ Smoother Motion and Better Facial Expressions
Reduced jitter and distortion compared to other generators. Characters move naturally, fabric flows realistically, and facial expressions convey genuine emotion.
🎬 Full Creative Control Through Text
Describe camera angles, lighting, sound design, and emotional tone in plain language. The AI interprets creative direction like a virtual cinematographer.
Seedance 1.5 Pro FAQ
Common questions about Seedance 1.5 Pro AI video generator—audio sync, languages, formats, and capabilities.
What video resolutions and durations does Seedance 1.5 Pro support?
Seedance 1.5 Pro generates videos at 720p or 1080p resolution, with durations from 4 to 12 seconds. Six aspect ratios are available: 16:9 (landscape), 9:16 (portrait), 1:1 (square), 4:3, 3:4, and 21:9 (ultrawide). Output format is MP4.
Which languages are supported for lip sync?
Seedance 1.5 Pro supports natural lip synchronization in 8+ languages: English (all accents), Mandarin Chinese, Japanese, Korean, Spanish, Portuguese, and Indonesian. Chinese dialects including Cantonese, Sichuanese, Shanghainese, and Taiwanese are also supported with syllable-level accuracy.
How does the audio generation work?
Seedance 1.5 Pro generates audio and video simultaneously in a single pass—not as separate steps. This means voice overs, ambient sounds, music, and sound effects are created together with the visuals, ensuring perfect synchronization without manual audio editing.
What image formats can I use for Image-to-Video?
For Image-to-Video mode, Seedance 1.5 Pro accepts JPG, JPEG, PNG, and WebP images. Maximum file size is 10MB, with a minimum resolution of 300x300 pixels. The AI will animate your image while maintaining the original visual style.
How long does video generation take?
Seedance 1.5 Pro generates 1080p videos with synchronized audio in under a minute—roughly 10 times faster than previous generation models. Processing time varies slightly based on video length and complexity of the requested scene.
Can I use Seedance 1.5 Pro videos for commercial projects?
Yes. Videos created with Seedance 1.5 Pro can be used for commercial purposes including advertising, marketing campaigns, social media content, and client work. You retain full usage rights to all generated content.