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Every component that builds a production ready Voice Agent #
Hi, This is a start of new serious after the success of FastAPI. So, I have decided to breakdown Voice AI along with Hands-on code explanation side by side. Let’s get started.
You can wire a language model to a microphone in an afternoon. Speech in, speech out. It demos beautifully.
Then you put it on a real call, and it falls apart. It talks over you. It leaves a dead after you finish, then answers a question you already moved past. It forgets what you told it thirty seconds ago. It cannot pull up your order, and it cannot hand you to a human when it gets stuck.
None of that is the model’s fault. A voice agent is not a chatbot with a microphone bolted on. It is a real-time system with a dozen moving parts, and the person on the other end feels every one of them. In this post, I will walk through the whole body, part by part, before the rest of this series dissects each one. And, eventually we will see these sections more deeper in the upcoming day!
Overview #
Strip a voice agent down and you find one loop, running over and over.
It hears you. It decides you are actually done speaking. It transcribes your audio to text (STT). It…