Deepgram Voice Agent API: How to Add a Real-Time AI Avatar
Connect Deepgram Voice Agent output audio to a Spatius real-time avatar while keeping tools, session state, interruption policy, and product UI in your application.
Blog
Product notes, technical guides, independent comparisons, and research for teams building real-time AI avatars.
Featured in Engineering
More in Engineering
40 articlesNVIDIA Audio2Face Tutorial: Real-Time Avatar Animation Architecture
Build an Audio2Face avatar pipeline, understand GPU, rigging, rendering, and lifecycle work, and compare the architecture with Spatius.
Retell AI Voice Agent: Can You Add a Real-Time Avatar?
Learn where a Spatius avatar fits around a Retell AI web voice agent, what the current SDK exposes, and why production motion needs contiguous assistant audio.
Hume AI Voice and EVI: How to Add a Real-Time Avatar
Learn how to route Hume AI EVI output audio to Spatius Motion Server and render a synchronized real-time avatar with AvatarKit.
Pipecat AI Tutorial: How to Add a Real-Time Avatar to a Voice Agent
Connect Pipecat bot output audio to a real-time avatar while keeping Pipecat in control of STT, LLM, tools, TTS, transport, and interruptions.
OpenAI Realtime API Tutorial: How to Add a Real-Time AI Avatar
Connect OpenAI Realtime API output audio to a real-time AI avatar while keeping the existing agent, tools, turn-taking, and voice architecture intact.
Spatius Product Update: Avatar APIs, Faster Audio, and Production-Ready SDKs
An August 2026 roundup of the new Spatius Avatar API, AvatarKit 1.3, server SDK, LiveKit Agents integration, and cross-platform demo updates.
How to Version and Roll Back a Real-Time AI Avatar Integration
Version and roll back an AI avatar integration across SDKs, assets, application contracts, feature flags, staged releases, compatibility tests, and cached clients.
How to Test a Real-Time AI Avatar on Low-End Devices
Test a real-time AI avatar on low-end phones and laptops across startup, frame pacing, memory, thermals, battery, interruption, and recovery.
How to Load AI Avatar Assets Without Slowing Down Your SaaS App
Load AI avatar assets without delaying the core SaaS interface by separating critical resources, staged preparation, caching, decoding, and renderer startup.
How to Load Test a Real-Time AI Avatar Before Launch
Load test a real-time AI avatar across connection setup, sustained sessions, audio and motion traffic, recovery, device behavior, and service limits.
How to Keep Voice and Avatar Motion Synchronized in Real Time
Keep real-time AI avatar voice and motion synchronized with one media clock, ordered chunks, drift measurement, buffer controls, resync, and recovery rules.
How to Reduce Time to First Motion in an AI Avatar
Reduce time to first motion by measuring startup milestones, preloading safe assets, warming the renderer, controlling audio chunks, and avoiding false starts.
