This tutorial demonstrates building a real-time voice AI agent using Pipecat, an open-source Python framework. It explains Pipecat's architecture based on frames, frame processors, and pipelines that enable parallel processing for low-latency conversations. The guide walks through creating a "Hello World" voice bot that integrates speech-to-text (Deepgram), language models (OpenAI), and text-to-speech (Cartesia) services. The implementation shows how to set up the pipeline, handle events, and manage conversation context for natural voice interactions.