Native audio
Generate audio and video together for ambience, effects, music, or voices.
AI video model
Prompt: Seedance 1.5 Pro demo video
ByteDance Seedance 1.5 Pro
A professional Seedance model for text and frame-guided video with native audio, dialogue support, and cinematic short-form output.
Inputs
- Text prompt
- Start frame
- End frame
- Reference image modeUse first and last frame guidance in Creativ Studio
Settings
- Aspect ratio
- Resolution
- Duration
- Native audio
- Draft mode
- Fixed camera
Outputs
- Video output
- Synced audio
- Poster frame
Strengths
Professional audio-video generation
Use Seedance 1.5 Pro when synchronized sound, dialogue, and cinematic motion are part of the brief.
Dialogue support
Useful for short scenes where speech and lip sync need to feel connected.
Camera options
Draft mode and fixed camera controls help manage iteration and shot stability.
Write sound into the shot
Seedance 1.5 Pro works best when audio is treated as part of the scene, not an afterthought.
- 1
Define the scene
Describe subject, setting, camera, and pacing.
- 2
Add sound cues
Include dialogue, ambience, action sounds, or music direction.
- 3
Use frames for control
Use first and last frames when the beginning or ending composition matters.
Technical notes
Use these notes as production guidance inside Creativ Studio. Provider availability and exact limits can vary by account, region, and model rollout.
Best for
Short video with native audio and dialogue
Inputs
Text, first frame, and optional last frame in Creativ Studio
Durations
Auto or 4-12 seconds in Creativ Studio
Resolution
480p, 720p, and 1080p in Creativ Studio
Watchouts
Reference-image mode is not exposed for this Pro workflow in Creativ Studio
Prompt recipes
Use these as starting shapes, then swap in your own subject, references, and constraints.
Dialogue beat
Two friends laugh softly at a late-night diner booth, one says 'we made it', warm neon light, natural lip sync, quiet room ambience.
Sound effect scene
Close-up of a chef chopping herbs, crisp knife sounds, soft kitchen music, fixed camera, realistic hand motion.
Questions
What is Seedance 1.5 Pro best for?
Use it for professional short video with native audio, dialogue, and cinematic movement.
Can it use start and end frames?
Yes. Creativ Studio exposes first and last frame guidance for this model.
When should I use Seedance 2.0 instead?
Use Seedance 2.0 when you need broader multimodal references such as image, video, or audio inputs together.