ChatGPT Voice-Powered Chatbot Build with React and FastAPI - Tech Stack - Backend

The video tutorial explains how to create a voice interaction system using Google Chrome, Python, and JavaScript. It covers setting up a backend with FAST API and Python, integrating AI with Open AI and 11 Labs, and ensuring security with CORS. The tutorial also details creating a main API route for processing audio files, converting them to text, and generating responses using ChatGPT. Finally, it discusses connecting the frontend and backend to complete the system.

Explain the role of FAST API in the back end of the system.

How does the system convert audio input to a human-sounding voice?