Seedance 1.5 Pro — AI Video With Built-In Audio
Creates dialogue, sound effects, and music alongside the video in a single pass. Write a scene with dialogue — get lip-sync, ambient sound, and background music. No audio editing.
Audio and Video Generated Together
Dialogue, sound effects, ambient audio, and music in the same pass. Lip movements match the words — sounds are born with the pixels, not matched after.
Upload Two Photos. Get Real Motion Between Them.
Start and end images produce actual physical motion — not a crossfade. Product unboxings, renovation reveals, fitness transformations with audio for the transition.
Lip-Sync in 9 Languages
English, Mandarin, Cantonese, Sichuan dialect, Japanese, Korean, Spanish, Portuguese, Indonesian — mouth shapes match each language phonemes.
1080p Full HD. Up to 12 Seconds. 21:9 Ultra Wide.
Six aspect ratios including cinematic 21:9. Resolution and format set before generation — download and post with audio already inside.
Differentiators
What Makes Seedance 1.5 Pro Different
Native Audio-Visual Generation
Dialogue, SFX, ambient audio, and music in one pass — no audio post-production.
Dual-Image Transitions
Upload start and end images for smooth motion with matching audio — real movement, not a blend.
Dialect-Level Lip-Sync
Cantonese and Sichuan dialect get phoneme-accurate mouth shapes, not generic dubbing.
Multi-Speaker Conversations
Two characters talking with distinct voices and separate lip movements in the same scene.
1080p and 21:9 Ultra Wide
Full HD and cinematic ultra wide — six formats covering every major platform.
Free Credits on Signup
Test with your own prompts. No credit card — enough credits for multiple clips.
How to Create Video With Seedance 1.5 Pro
Describe the Scene or Upload Photos
Type what happens including dialogue, or upload one image to animate, or two for dual-image transition.
Choose Duration, Resolution, and Format
4, 8, or 12 seconds. 480p, 720p, or 1080p. Six aspect ratios. Toggle audio on. Hit generate.
Preview and Download
Watch with audio, download as MP4, or adjust the prompt and regenerate quickly.
Seedance 1.5 Pro FAQ
Your Next Video Comes With Sound
Dialogue, lip-sync, dual-image transitions, 1080p, ultra wide — all from one prompt.
Try Seedance 1.5 Pro Free