What Is Transcription? A Complete Guide [2026]

TL;DR: Transcription converts spoken words into written text. It's used in medicine, law, media, education, and business — and AI has made it faster and cheaper than ever. This guide covers every type, when to use each, and how to pick the right method for your needs. $35.8B — Global market by 2032 95+ — Languages supported by AI 15.6% — Annual AI transcription growth 99% — Top accuracy rate What Is Transcription, Exactly? Transcription is the process of converting audio or video speech into written text. That's the one-line answer. But the practice runs deeper than most people realize. A doctor dictates patient notes after an appointment — someone (or something) types them up. A lawyer needs a word-for-word record of a deposition. A podcaster wants a text version of their episode so Google can index it. A student records a two-hour lecture and needs searchable notes by tomorrow morning. All of these are transcription. The global transcription market hit $21 billion in 2022 and is on t