Heygem - Open Source Digital Human Model by Silicon Intelligence

What is Heygem?

Heygem is an open-source digital human model launched by Silicon Intelligence, specifically designed for Windows systems. Leveraging advanced AI technology, Heygem can clone a digital human's appearance and voice in just 30 seconds using only 1 second of video or a single photo, and synthesize 4K ultra-high-definition video within 60 seconds. Heygem supports multi-language output, multiple expressions and actions, and achieves 100% lip-sync accuracy, maintaining highly realistic effects even in complex lighting or occluded scenarios. Operating entirely offline, Heygem ensures user privacy and supports deployment on low-configuration hardware, significantly lowering the barrier to entry. It provides an efficient and cost-effective digital human solution for content creation, live streaming, education, and more.

Key Features of Heygem

Instant Cloning: Clone a digital human's appearance and voice with just 1 second of video or a single photo. Complete cloning in 30 seconds and synthesize 4K ultra-high-definition video in 60 seconds.

Efficient Inference: Achieves an inference speed ratio of 1:0.5 and video rendering speed of 1:2.

High-Quality Output: Supports 4K ultra-high-definition video output at 32 frames per second, surpassing the Hollywood standard of 24 frames.

Multi-Language Support: Cloned digital humans support output in 8 languages, meeting global market demands.

Unlimited Cloning: Supports unlimited cloning of digital human appearances and voices, as well as unlimited video synthesis.

100% Lip-Sync Accuracy: Achieves highly realistic lip-sync matching even in complex lighting, occlusion, or side-angle scenarios.

Low Hardware Requirements: Supports one-click Docker deployment and can run on hardware as low as an NVIDIA 1080Ti graphics card.

Technical Principles of Heygem

Voice Cloning Technology: Based on advanced AI, this technology generates voices similar to or identical to a given sample, capturing context, tone, and speech rate.

Automatic Speech Recognition (ASR): Converts human speech into computer-readable input, enabling computers to "understand" spoken words.

Computer Vision Technology: Used for visual processing in video synthesis, including facial recognition and lip-sync analysis, ensuring the virtual character's lip movements match the audio and text content.

Heygem Project Repository

GitHub Repository: https://github.com/GuijiAI/HeyGem.ai

How to Use Heygem?

Installation Requirements:

System Requirements: Windows 10 version 19042.1526 or higher.

Recommended Hardware:

CPU: 13th Gen Intel Core i5-13400F.

RAM: 32GB.

GPU: RTX 4070.

Storage Space:

D Drive: For storing digital humans and project data, requires over 30GB of space.

C Drive: For storing service image files, requires over 100GB of space.

Dependencies:

Node.js 18.

Docker Images:

docker pull guiji2025/fun-asr:1.0.2

docker pull guiji2025/fish-speech-ziming:1.0.39

docker pull guiji2025/heygem.ai:0.0.7_sdk_slim

Installation Steps:

Install Docker: Check if WSL (Windows Subsystem for Linux) is installed. If not, run wsl --install. Update WSL. Download and install Docker for Windows.

Install Server: Use Docker and docker-compose to install the server. Run docker-compose up -d in the /deploy directory.

Install Client: Run npm run build:win to generate the installer HeyGem-1.0.0-setup.exe. Double-click the installer to complete the installation.

Application Scenarios of Heygem

Content Creation: Quickly generate animations, educational videos, and more, reducing production costs.

Online Education: Create virtual teachers supporting multi-language teaching, enhancing engagement.

Live Streaming Marketing: Used for virtual live streaming and product promotion, reducing labor costs.

Film and TV Effects: Generate virtual characters or special effects shots, simplifying production workflows.

AI Customer Service: Create virtual customer service agents, providing natural human-computer interaction experiences.