---
id: 1c7748af-daab-4339-b2fc-e6a43bb7d6da
type: solution
title: "Voice server initial implementation"
tags: [voice-server, python, fastapi, piper-tts, sounddevice, tdd]
importance: 0.7
confidence: 0.8
created: "2025-12-19T06:18:22.164692+00:00"
updated: "2025-12-19T06:18:22.164692+00:00"
---

Built a local HTTP TTS service using FastAPI + Piper TTS + sounddevice. POST /notify accepts text and plays it through speakers. Includes async queue for sequential playback, health checks, voice listing. 73 TDD tests. Tech: Python, FastAPI, Piper TTS (neural), sounddevice (PortAudio).