Hearth
Live audio for loneliness.
The Problem
Why This Exists
Loneliness is answered by products that optimize for engagement — profiles, followers, permanence, and a record of everything you ever said. They manufacture performance where what is needed is presence.
The Solution
What We Built
Three ways in. Campfire puts you in a small group of strangers with a fixed end time and something to do together. Ember is an AI voice companion for 2am, built as a bridge back to people rather than a replacement for them. Listen, coming later, is ambient human presence with nothing asked of you.
Capabilities
Key Features
Technology
Tech Stack
Architecture
System Design
01
Voice relayed live through self-hosted LiveKit and never written to disk, over a schema that deliberately stores no conversations — there is nothing to hand over
02
Four purpose-built agents, each running as its own worker process and joining rooms as a bot participant
03
Ember on native speech-to-speech through the Gemini Live API, with no STT and TTS pipeline in between
04
Guardian holding a rolling sixty seconds of transcript for classification, then discarding it, and never speaking
05
Jukebox publishing server-side audio as a single LiveKit track, keeping karaoke in sync without trusting client clocks
06
Agent decision logic extracted from the transport layer, so room behaviour is unit-testable without a live room
Interested in this venture? Let's connect.