AI-Powered Conversational Voice Assistant
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This n8n workflow creates a dynamic AI voice chat assistant, leveraging webhooks for real-time interaction. It intelligently manages conversational context, uses powerful language models like Google Gemini for responses, and synthesizes natural-sounding speech with ElevenLabs.
About This Workflow
Dive into the future of interactive communication with this advanced n8n workflow, designed to build a sophisticated AI Voice Chatbot. This template seamlessly integrates a webhook listener to capture incoming voice messages, processes them through an (implied) OpenAI Speech-to-Text service, and feeds the transcribed text to a robust Google Gemini AI model. Crucially, it employs n8n's Memory Manager and Window Buffer Memory nodes to maintain deep conversational context, ensuring your AI understands and responds intelligently to ongoing dialogues. Finally, it transforms the AI's textual replies into lifelike speech using ElevenLabs and delivers the audio back via webhook, creating a fluid, human-like voice interaction experience.
Key Features
- Real-time Voice Interaction: Initiate and receive voice responses through a dedicated webhook endpoint.
- Intelligent Context Management: Utilizes Memory Manager and Window Buffer Memory to maintain coherent, continuous conversations.
- Powered by Google Gemini AI: Leverages the advanced
models/gemini-1.5-flashfor highly relevant and nuanced responses. - Lifelike Speech Synthesis: Integrates ElevenLabs (or optional OpenAI) for generating natural and customizable voice outputs.
- Flexible & Extensible: Easily adapt for different LLMs, speech-to-text services, or voice synthesis providers.
How To Use
- Setup Webhook: Activate the "Webhook" node and copy its URL. This will be your input endpoint for incoming voice messages.
- Configure Speech-to-Text (Prerequisite): While not explicitly in this snippet, an 'OpenAI - Speech to Text' node (or similar) is required upstream to process incoming audio from the webhook into text. Ensure it's correctly configured.
- Connect AI Model: Provide your Google Gemini API key to the "Google Gemini Chat Model" node. Customize the prompt in "Basic LLM Chain" as needed for your assistant's persona.
- ElevenLabs Integration:
- Create an ElevenLabs account and obtain your API Key and desired Voice ID.
- In the "ElevenLabs - Generate Audio" HTTP Request node, replace
{{voice id}}in the URL with your actual Voice ID. - Set up Custom HTTP Header Authentication with your ElevenLabs API Key in the format
{"headers": {"xi-api-key": "YOUR_ELEVENLABS_API_KEY"}}as described in the accompanying sticky note.
- Test & Deploy: Send a voice message (with relevant headers/body for audio) to your webhook URL and verify that the AI responds with synthesized speech.
Apps Used
Workflow JSON
{
"id": "38a8f0db-070c-43ed-86eb-d784a6dca26e",
"name": "AI-Powered Conversational Voice Assistant",
"nodes": 21,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 38a8f0db-070c...
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