AI video generation with native audio by ByteDance. Up to 720p, 12 seconds, lip-sync in 8+ languages, dialogues and sound effects in a single pass
Girl sitting in a cafe by the window, rain outside, she lifts her coffee cup and smiles, medium shot, soft lighting, rain sounds and quiet background music
4 simple steps to create video with sound using Seedance 1.5 Pro
Upload a start frame for Image-to-Video or use text only for Text-to-Video generation.
Write a prompt with action, camera and sound. Specify speech language for precise lip-sync.
Seedance 1.5 Pro generates video and audio simultaneously — lip-sync, BGM and sound effects are already synced.
Download ready video with sound in up to 720p for commercial use.
Video generation with native audio and precise lip-sync by ByteDance
Dual-Branch architecture generates audio and video simultaneously — dialogues, sound effects and BGM are synced with frames
Phoneme-level lip synchronization: English, Chinese, Japanese, Korean, Spanish, Portuguese and more
Precise camera control: pan, tilt, zoom, truck, orbit. Fixed or dynamic camera at your choice
Preserves appearance, clothing and style of characters across shots for coherent storytelling
Set start and end frames — the model creates smooth transitions between them with narrative control
Video with sound from 3 credits. Up to 60% cheaper than Kling 2.6 at comparable audio quality
How to get the best results with Seedance 1.5 Pro
What Seedance 1.5 Pro is great for
Speaking characters with precise lip-sync in 8+ languages — perfect for short films and stories
Promo videos with voiceover, product demos with sound effects, commercial spots
TikTok, Reels, Shorts — fast content creation with sound in vertical and horizontal formats
Explainer videos with voiceover, concept visualization with narration
Photo animation with synchronized speech or singing, music visualizations
Product demos with sound effects and voice descriptions in context
Transparent pricing with no hidden fees
Cost depends on your subscription plan. Sound doubles the generation cost.
Why Seedance 1.5 Pro is the best choice for video with sound
| Parameter | Seedance 1.5 ProBest Choice | Kling 2.6 | Seedance 2.0 | Veo 3.1 |
|---|---|---|---|---|
| Native Audio | Yes (joint generation) | Yes | Yes | Yes |
| Lip Sync | 8+ languages (phoneme) | Limited | 8+ languages | No |
| Duration | 4–12 sec | 5–10 sec | 4–15 sec | 5–8 sec |
| Quality | Up to 720p | Up to 1080p | Up to 2K | 1080p |
| Price | from 3 credits | from 8 credits | from 5 credits | from 8 credits |
| End Frame | Yes | No | No | No |
Answers to popular questions about Seedance 1.5 Pro
Seedance 1.5 Pro is an AI video generation model with sound by ByteDance. Creates videos up to 12 seconds at up to 720p with native audio, lip-sync in 8+ languages and cinematic camera control.
Seedance 1.5 Pro uses Dual-Branch architecture — generates video and audio simultaneously in a single pass. Dialogues, sound effects and background music are automatically synced with frames.
Phoneme-level lip-sync for 8+ languages: English, Chinese (Mandarin, Cantonese), Japanese, Korean, Spanish, Portuguese, Indonesian and other dialects.
480p and 720p. Supported aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9.
Without sound: 480p from 3 credits, 720p from 6 credits. With sound the cost doubles. Seedance 1.5 Pro is up to 60% cheaper than Kling 2.6 for video with audio.
You can set start and end frames — the model creates smooth transitions between them. This gives narrative control and allows building multi-shot stories.
Fixed camera stabilizes the background and improves lip-sync quality in dialogue scenes. Recommended for speaking characters.
Yes, all Seedance 1.5 Pro videos can be used in commercial projects without restrictions.
