Home Assistant Voice Preview Edition
Nabu Casa · Home Assistant Voice Preview Edition (OK Nabu)
The Home Assistant Voice Preview Edition, popularly known as "OK Nabu", is one of Home Assistant's strongest bets on privacy and digital sovereignty in the smart home. Designed to deliver local voice control without relying on cloud services like Alexa or Google Assistant, this device lets you run fully private voice assistants using technologies such as Whisper (STT), Piper (TTS), and the Wyoming Protocol. Built on modern hardware with ESP32-S3, it includes dual microphones with noise cancellation, a built-in speaker, USB-C connectivity, and a near-instant setup through ESPHome in Home Assistant. It also supports advanced hybrid setups using services such as OpenAI or Google Cloud for users who want more complex conversational capabilities. For users committed to privacy and advanced automation, the Home Assistant Voice Preview Edition is currently one of the most interesting solutions on the market.
✓ Pros
- Fully local voice control
- Maximum privacy
- Official Home Assistant integration
- Compatible with Whisper and Piper
- Compatible with OpenAI
- Native ESPHome support
- Compact design
- Noise-canceling microphones
- No mandatory cloud dependency
- Great configuration flexibility
✗ Cons
- Does not fully replace commercial assistants in certain functions
- Requires a more technical initial setup
- No built-in battery
- Depends on local hardware for peak performance
- Limited availability depending on region
- Ecosystem still evolving
Compatibility
Specifications
| Processor | ESP32-S3 |
| Microphones | Dual array with noise cancellation |
| Speaker | Built-in |
| Connectivity | WiFi 2.4GHz, Bluetooth, USB-C |
| Protocol | ESPHome / Wyoming |
| Local STT | Whisper |
| Local TTS | Piper |
| AI compatibility | OpenAI / Google Cloud |
| Power | USB-C 5V |
| Integration | Native Home Assistant |
| Firmware | OTA updatable |
| Privacy | Local processing available |
| Primary use | Smart home voice assistant |
| Power supply | USB-C 5V |
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Home Assistant Voice: Guía Completa de Configuración y Análisis del Altavoz Local "OK Nabu"
La soberanía digital y la privacidad son los pilares de Home Assistant. Hasta ahora, depender de Alexa o Google Home significaba abrir una ventana de nuestra casa a la nube. Con la llegada del Home Assistant Voice, basado en el hardware de Seeed Studio, el control por voz 100% local y privado ya es una realidad tangible. En este artículo, desglosamos todo lo que necesitas saber para configurar este altavoz, desde el unboxing hasta la integración avanzada con Inteligencia Artificial como ChatGPT.
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