What Is Text-to-Speech? A Complete Guide for Educators

Understand how text-to-speech technology works, why AI voices have transformed classroom accessibility, and how to start using TTS with your students today.

Find out more about
Text-to-speech
Written by
Will Jackson, CEO
Published on
02/26/25
, last updated on
02/26/25
Read time:
7 min read

Text-to-speech is one of the most impactful accessibility technologies available in classrooms today. Understanding what text-to-speech is, how it works, and who it helps is the first step toward making your classroom more inclusive. Whether you teach students with dyslexia, English Language Learners, or any child who processes information better through listening, TTS technology can transform how they engage with written content.

What Is Text-to-Speech Technology?

Text-to-speech (TTS) is technology that converts written text into spoken audio. A TTS system reads digital text from websites, documents, PDFs, or any on-screen content and produces a voice output that sounds like a human reading it aloud. Modern text-to-speech uses artificial intelligence and neural networks to generate natural, expressive voices far removed from the robotic sounds of earlier systems.

In education, TTS tools serve as assistive technology to help students access written content they might otherwise struggle with. A student with dyslexia can have an assignment read to them. An English Language Learner can hear correct pronunciation. A student with a visual impairment can navigate digital materials through audio.

How Modern Text-to-Speech Works

Early text-to-speech systems used concatenative synthesis, stitching together pre-recorded speech fragments. The result was functional but stilted. Words sounded choppy and unnatural, and students often found the experience distracting rather than helpful.

The Shift to AI-Powered Neural Voices

Today's TTS technology uses neural text-to-speech (NTTS), powered by deep learning models trained on thousands of hours of human speech. These models learn the patterns of natural speech including rhythm, intonation, emphasis, and pacing and generate audio that sounds remarkably human. Tools like Mote use these AI voices to deliver a listening experience that keeps students engaged rather than pulling them out of their learning flow.

How the Conversion Process Works

When a TTS system processes text, it follows three core steps. First, text analysis parses the input to understand sentence structure, abbreviations, and numbers. Second, linguistic processing determines pronunciation, emphasis, and sentence flow. Third, audio synthesis generates the speech waveform using the neural voice model. This happens in milliseconds, producing real-time audio as students read.

Which Students Benefit From Text-to-Speech?

Students With Dyslexia and Reading Difficulties

Dyslexia affects approximately 1 in 5 students. TTS allows these students to access grade-level content without being limited by their decoding ability. Research from the International Dyslexia Association shows that multimodal reading, seeing text while hearing it read aloud, improves both comprehension and retention for students with reading difficulties.

English Language Learners

For ELL students, hearing correct pronunciation alongside written text builds vocabulary and phonemic awareness simultaneously. Text-to-speech tools with multilingual support, like Mote's 80+ language voices, allow students to hear content in both their home language and English, bridging the comprehension gap.

Students With Visual Impairments

TTS is a core assistive technology for students with low vision or blindness. While full screen readers provide comprehensive navigation, lightweight TTS tools integrated into the browser give students with partial vision the ability to have specific content read aloud on demand.

Students Who Learn Better by Listening

Not every student who benefits from TTS has a diagnosed disability. Some students are simply stronger auditory processors. Providing text-to-speech as a universal option rather than only as an accommodation normalises its use and removes stigma, benefiting the entire classroom.

Text-to-Speech in Google Classroom

Most K-12 schools use Google Workspace for Education, meaning students spend their time in Google Classroom, Docs, Slides, and Forms. The most effective text-to-speech tools work natively inside these platforms with no separate apps, no copy-pasting, and no context switching.

Mote is a Chrome extension designed specifically for education that brings text-to-speech directly into Google Workspace. Students can highlight any text in a Google Doc or Classroom assignment and hear it read aloud instantly with natural AI voices. Unlike general-purpose TTS tools, Mote was built from the ground up for classrooms. It is FERPA and COPPA compliant, supports managed Chromebook deployment, and offers a free plan for educators and students.

Getting Started With Text-to-Speech

Implementing text-to-speech in your classroom does not require a large budget or technical expertise. A Chrome extension like Mote can be installed in minutes, deployed across managed devices through Google Admin Console, and used by students immediately. Start by introducing TTS during reading assignments and let students discover how it supports their own learning. Explore the best text-to-speech Chrome extensions for education and find the right fit for your classroom.

How to Use Text-to-Speech in Your Classroom

Requires:
Google Chrome browser, Mote Chrome Extension, Google Classroom or Google Docs

Install the Mote Chrome Extension

Open the Chrome Web Store and search for Mote. Click Add to Chrome and confirm the installation. The Mote icon will appear in your browser toolbar. For classroom-wide deployment, your IT administrator can push the extension to all managed Chromebooks via Google Admin Console.

Open a Google Classroom Assignment or Google Doc

Navigate to the document or assignment where you want to use text-to-speech. Mote works inside Google Classroom, Google Docs, Google Slides, Google Forms, and most web pages. No separate app or tab is needed.

Select Text and Activate Read Aloud

Highlight the text you want read aloud, then click the Mote icon or use the read-aloud button in the Mote sidebar. The selected text will be read using a natural AI voice. You can adjust the reading speed and choose from multiple voice and language options to match your students' needs.

Customise Voice Speed and Language Settings

Open the Mote sidebar to access voice settings. Choose from over 80 languages and multiple voice options per language. Adjust playback speed as slower speeds suit younger students or those building fluency, while faster speeds suit confident listeners reviewing content.

Frequently Asked Questions

Common questions about
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