Immersive Reader is a Microsoft tool, offered as an Azure AI service, designed to improve reading comprehension for new readers, language learners, and people with learning differences such as dyslexia. Microsoft describes it as using “proven techniques” and ships the same technology inside Word, OneNote, Outlook, and the Edge browser, as well as third-party apps via a client library.
The tool combines several AI-driven features: it reads text aloud using speech synthesis, breaks words into syllables, highlights parts of speech such as nouns and verbs in distinct colors, shows pictures for common words through a picture dictionary, isolates text for focus, and translates content into many languages in real time to help language learners. Microsoft says the service does not store any customer data.
Immersive Reader is a good illustration of accessibility AI built from natural language processing and text-to-speech rather than from a single large model. Each feature - syllabification, part-of-speech tagging, translation, speech synthesis - is a distinct language-processing capability, assembled into one reading aid that benefits dyslexic readers and emerging readers alike.