What I Learned Tracking 5 Realtime Moderator Signals in a Node.js Voice Lobby
Short answer: for realtime moderator disconnects in a gaming voice lobby, correlate observability signals across transport, session ownership, and f…
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Audio works, video is black: debugging a layered WebRTC SFU in Go
Audio connects instantly, the viewer hears everything, and the video tile stays black. The publisher side looks fine. ReplaceTrack returns nil , whi…
Benchmarking Voice AI for Engineering Screening: How We Achieved 94% Correlation with Senior Human Interviewers
When automated hiring platforms claim "expert-level candidate evaluation," engineering leaders remain skeptical. LLM-based evaluators are notoriousl…
EP05: How Simulcast works and what it's for
Episode 5 of 20 in the **PPCDN Low-Latency Live Streaming Course * — building a self-hosted, low-latency live-streaming CDN from protocols to global…
EP04: Transport showdown — RTMP / SRT / WHIP
Episode 4 of 20 in the **PPCDN Low-Latency Live Streaming Course * — building a self-hosted, low-latency live-streaming CDN from protocols to global…
I built a chat app solo — rooms, voice/video calls, E2EE, and in-room games
I didn't want to build another messenger. There are plenty. What I wanted was a place where you walk into a room built around a shared interest — mo…
Designing a 12-Seat Voice Room: WebRTC/SFU, Server-Authoritative Coins, and Moderation
Social voice rooms look simple: a grid of 10–12 mic seats, a chat strip, some gift animations. Underneath, they combine three hard problems — real-t…
Building a Zero-Middleman Peer-to-Peer Remote Desktop using WebRTC and Native OS APIs
Abstract Most traditional remote desktop solutions operate on a client-server relay paradigm: every desktop video frame and every mouse movement is…
Your Browser Found an Address. Now Let's Find a Path.
Part 2 of the WebRTC Blog Series — The Lab In Part 1 , we asked a deceptively simple question: What address does my browser have? We discovered that…
Building a random chat where language doesn't matter: WebRTC, relay as a condition, and live translated captions
The original Omegle proved something for fourteen years: two strangers who would never have met can have a good conversation. It shut down in 2023.…
Realtime Audit Signals for Voice Lobby Fan-Out (and Why Delivery Evidence Matters)
For a gaming voice lobby, the least complex design that still gives operators trustworthy evidence is a small audit stream beside the media path: em…
How to Ship AI in Real-Time Communications: A 7-Stage Adoption Framework for Engineering Teams
How to Ship AI in Real-Time Communications: A 7-Stage Adoption Framework for Engineering Teams AI is rapidly changing how real-time communication pl…
How I Built a Zero-Install, Multi-Gigabyte P2P File Transfer Engine in the Browser with WebRTC & File System Access API
Ever tried sending a 15GB 4K video file or a raw dataset to a teammate sitting at the next desk? The options are surprisingly clunky: Hunt for a phy…
How We Solved 360 Video Streaming & Real-Time Uploading for iOS Devices
When building real-time media applications—especially in high-stakes environments like remote exam proctoring—supporting mobile devices comes with a…
Как мы делали три консоли для киберигры: опыт разработки новой версии тренажера
Привет! На связи команда Далее . В этой статье расскажем, как мы взяли довольно простую игру-тренажер по кибербезопасности и сделали ее самостоятель…
ZeroRelay: Direct Browser-to-Browser Sharing - No Server Ever Sees Your Data
A fully open-source P2P mesh app for sharing text, code, notes, and files directly between browsers. No signup, no accounts, no database. The Pain P…
Bridging RTSP to WebRTC on iOS: Feeding GStreamer Frames into a WebRTC Pipeline
Most WebRTC tutorials on iOS assume your video comes from the device camera. You call RTCCameraVideoCapturer , point it at the front lens, and the f…
WebSocket Half-Open Connections and gRPC Gateway Discovery in Complex LAN WebRTC Systems
The target scenario is not consumer calling. It is closer to B2B institutional device fleets: many shared devices, long-running uptime, centralized…
I Built an AI-Powered Meeting Platform From Scratch — Here’s How It Actually Works
A complete breakdown of Hoovik: WebRTC signaling, distributed Node.js with Redis, real-time emotion AI, RAG on meeting transcripts, and a Python tra…
Building Production Voice AI Agents: Latency, Architecture, and What Nobody Tells You
Originally published on prodinit.com Key Takeaways Sub-300ms end-to-end latency is the human-conversation threshold for voice AI. The latency budget…
The Hardest Part of Building an AI-Powered WebRTC Platform Wasn’t WebRTC
I spent the last few months building SkyMeetAI — a video conferencing platform that watches participants' faces and listens to their voices in real…
Build a voice agent with LiveKit and AssemblyAI’s Voice Agent API
Why combine LiveKit and the Voice Agent API WebRTC and AI are different problems with different best-in-class solutions: LiveKit is the easiest way…