A tutorial by Zian (Andy) Wang guides readers through creating a web-based text-to-speech application using Deepgram's JavaScript SDK and Aura-2 Text-to-Speech API, designed to read aloud any highlighted text on a webpage. The tutorial covers setting up a foundational HTML structure, integrating necessary imports and styles, and establishing a JavaScript environment capable of handling audio through the Web Audio API. The guide details how to manage audio playback controls and addresses browser-specific challenges like polyfilling the Buffer object and using WebSockets to bypass CORS limitations. The article concludes by suggesting the potential to expand this functionality into a Chrome Extension, allowing users to have text read aloud from any webpage with ease.