How to Use Seedance 1.5 Pro: A Practical Guide to Audio-Visual AI Creation
Seedance 1.5 Pro is a next-generation native audio-visual generation model developed by ByteDance. Unlike traditional video generation systems that create visuals first and add sound later, Seedance 1.5 Pro performs joint audio-visual generation, producing perfectly synchronized video and sound in a single end-to-end process.
Why Choose Seedance 1.5 Pro
Seedance 1.5 Pro is built on audio-visual alignment, temporal consistency, and cross-modal generation. This allows it to:
Synchronize lip movement and speech
Align emotion, tone, and facial expression
Match sound effects, rhythm, and camera timing
Instead of treating audio as post-processing, the model generates dialogue, voice characteristics, ambient sound and music at the same time as the video.
Step-by-Step Guide to Using Seedance 1.5 Pro
Step 1: Choose a Generation Mode
Begin by deciding which generation mode best fits your project. Seedance 1.5 Pro supports both text-to-video and image-to-video workflows.
Step 2: Provide Input References
For text-to-video, enter clear, accurate, and detailed text prompts to guide the video generation. For image-to-video, upload a high-quality reference image. You can also enable the start and end frame option and upload two images to precisely control how the video begins and ends.
Step 3: Configure Output Settings
Next, set the output parameters. Select an appropriate video aspect ratio; in image-to-video mode, you may choose to automatically match the reference image’s dimensions. Then choose the video resolution (480p or 720p) and set the video duration (up to 12 seconds). You can also decide whether to use a fixed camera or allow camera movement based on the prompt.
Step 4: Generate and Export
Finally, click the Generate button and wait for the processing to complete. Preview the result, and once satisfied, export the video in full quality.
🔊How to Use Seedance 1.5 Pro to Create Dialogue-Driven Video
When generating spoken scenes, your prompt should clearly specify:
Exact dialogue
Speaker identity
Emotional state
Voice characteristics
Speech rhythm and pacing
Professional users can go further by adding:
Voice texture (hoarse, breathy, deep)
Speaking speed (slow, fast, unstable)
Emotional modulation (fear, sarcasm, impatience)
Case 1: Multi-Character Dialogue
Rick and Morty – Moive Scene
Prompt Key Points:
Two characters are talking face to face in a tense undercover situation.
Rick speaks in English with a low, hoarse voice, fast speech, impatient and sarcastic tone, clearly annoyed.
Morty speaks in English with an unstable speaking speed, frequent pauses, clear fear and hesitation, voice slightly trembling.
Audio and lip sync must be perfectly aligned.
Case 2: Music + Rhythm Control
Monkey Rap Video
Prompt Key Points:
Music style: Reggae rap
Voice: Deep Black male vocal tone, rhythmic and confident
Tempo: 100 BPM, tightly synchronized with drum beats
The monkey’s mouth movements and body motion must follow the rhythm precisely.
Strong audio-visual synchronization between vocals, drums, and movement.
👓How to Use Seedance 1.5 Pro to Create Highly Realistic Video
Image-to-Video: Input Quality Matters
Seedance 1.5 Pro excels at image-to-video generation. Uploading a high-resolution, clear reference image allows the model to capture:
Facial features
Skin texture
Lighting details
Clothing and materials
This results in high-fidelity video with strong identity and expression consistency.
Case 3: Facial Expression Generation from a Photo
Workflow:
Upload a clear portrait of a woman.
Describe each emotion precisely.
Prompt Key Points:
Use the uploaded photo as reference.
Generate four short clips of the same person showing different expressions: Laughing loudly. Angry. Sad. Exhausted, heavy eyelids, slow breathing
Case 4: Dynamic Action Scene
Prompt Key Points:
A soldier runs across muddy ground on a battlefield.
Explosions erupt nearby, throwing dust, smoke, and debris into the air.
Strong sense of urgency and chaos.
💻How to Use Seedance 1.5 Pro to Create Commercial Advertisements
Seedance 1.5 Pro handles:
Complex spatial structures
Abstract style concepts
Brand-level visual consistency
This makes it ideal for AI advertising, product videos, and brand storytelling.
Case 5: Minimalist Tech-Style Car Advertisement
Prompt Key Points:
A futuristic electric car is displayed in a minimalist, high-tech environment.
Clean geometric space, cool lighting, metallic reflections.
Smooth cinematic camera movement around the car.
Premium, calm, and innovative brand tone.
💡How to Use Seedance 1.5 Pro to Produce Creative and Experimental Videos
Seedance 1.5 Pro allows you to upload visual references to guide:
Art style
Character design
Narrative tone
This is especially powerful for creative AI videos and concept storytelling.
Case 6: “Avatar Movie Set Visit” (Behind-the-Scenes Style)
Prompt Example:
Use the uploaded photo and selfie video as the main character reference.
The person is visiting the Avatar movie set, recording a natural selfie-style video.
The environment uses realistic studio lighting with natural shadows and reflections.
👉Get Started and Create with Seedance 1.5 Pro
The best way to understand the power of Seedance 1.5 Pro is to use it yourself. Start with simple prompts, upload clear reference images, and gradually add more detailed control over dialogue, emotion, sound, and camera movement.
Now open Seedance 1.5 Pro 🔗, try your first generation, and let your story come to life.