Vidu S1 Stream
interactive model notes
A concise guide to Vidu S1 real-time digital human chat, voice control, custom character setup, and API access.
Create or choose a character
Vidu S1 Stream centers on real-time conversation with digital humans. Users can start from existing characters or create a custom avatar from an uploaded image on the official service.
- Character setup
- Camera and microphone permissions
- Live conversation flow
Vidu S1 snapshot
Interaction
Real time
Video
540P + 25FPS
Input
Voice + image
This site is an independent guide. Review access notes before using the official Vidu service.
Vidu S1 capabilities
The main concepts behind Vidu Stream.
Real-Time Character Conversation
Vidu S1 focuses on interactive video conversations with digital characters, combining real-time response, video output, and voice input.
- Start from existing characters
- Use video and voice interaction
- Designed for low-latency sessions
Demo preview
Initial Image and Voice Setup
The official flow supports creating a digital human from an uploaded image, then selecting or recording a voice for personalized interaction.
- Image-based character creation
- Preset voice selection
- Voice recording and cloning options
Demo preview
Instruction Following During Chat
During a real-time session, voice commands can guide the digital human's behavior and responses.
- Spoken instruction input
- Behavior control during conversation
- Interactive generated video output
Demo preview
Explore Vidu S1 Stream
Learn how real-time digital human chat, voice control, and avatar creation work in Vidu S1.
View the guide