The Digital Hearth: An Automated Group Speech-to-Text System for Community Conversations

Explore the development and implementation of the Digital Hearth, an innovative group conversation recording device designed to capture underrepresented voices and issues in local communities. Delve into the technical aspects of this offline-capable system, including its custom 8-channel microphone, Raspberry Pi integration, and Raspbian-based software stack. Learn about the hardware configuration's impact on automated speech recognition and speaker identification. Discover the processing pipeline, from raw audio compression to transcription services and topic indexing. Gain insights into the project's goals, challenges, and future directions in amplifying diverse perspectives for public discourse.

Introduction
Background
LVN
Mott Haven
The Conversation Box
Max Resnick
Cathy Kramer
Open Heart Surgery
Version 1 Solid Wood
Custom PCBs
Assembly Room
Fake News
Pairing
API Calls
WiFi
Library
Power
Software Updates
Microarray
Interleaving
Processing Pipeline
Raw and Range Compression
Transcription Services
Analysis
Topic Indexing
Diuresis Speech
Highlights
Crosspollination
Where to Next
Questions