How text-to-speech works, one concept per slide. Each one comes with clips that differ in one thing only: how numbers are read, Devanagari vs romanised Hindi, Hinglish, punctuation, pace, style, ten languages, a phone line, and what streaming does to speech.
Five ways to move data in real time: Server-Sent Events, WebSockets, WebRTC, RTP and SIP. Each one is a small simulation. Press the buttons, watch what travels on the wire, and click any message to read it in full.