Text-to-Speech for Dyslexia: How It Helps and How to Use It

Text-to-speech helps people with dyslexia by taking the hardest part of reading, decoding words letter by letter, off their plate, so they can understand text at the level they actually think at. It works best as read-along listening (eyes on the text, ears on the audio) and at a speed the listener chooses. It's an accommodation that gives access to content, not a replacement for reading instruction.

This guide explains why it helps, how to set it up well, how teachers and parents can make audio versions of material, and the mistakes to avoid.

Why does text-to-speech help with dyslexia?

Dyslexia is a specific learning difficulty that mainly affects accurate and fluent word reading and spelling. It's usually rooted in difficulty with the sounds of language (phonological processing), and it isn't related to intelligence. Many people with dyslexia understand spoken language very well; the bottleneck is turning print into words.

That gap is exactly where text-to-speech helps.

• Access to the right level of content. A 13-year-old who decodes like a 9-year-old can still follow a 13-year-old's history textbook when it's read aloud.
• Less fatigue. Decoding takes effort. When the voice carries some of that load, energy goes into understanding instead.
• Vocabulary exposure. Hearing words like "photosynthesis" or "parliamentary" said correctly, while seeing them, links sound and spelling.
• Independence. Students don't have to wait for an adult to read instructions or questions aloud.
• Proofreading by ear. Hearing your own writing read back exposes missing words, repeated words and wrong homophones ("their" for "there") that the eye skips.

Specialists generally treat text-to-speech as one part of the picture: it gives access to content while structured reading instruction builds the underlying skills. Use both.

How should someone with dyslexia use text-to-speech?

Read along, don't just listen

Listening alone is useful for long material, but following the text while hearing it reinforces the link between written words and their sounds. If possible, use a tool that shows the text while it plays, or print the text and play the audio alongside it.

Choose the speed, then adjust

Narration usually runs around 150 words a minute. For read-along use:

• Start a little slower than that for new or difficult material.
• Speed up gradually as the listener gets used to the voice. Some experienced users end up listening faster than they read.
• Slow down specific passages (definitions, instructions, exam questions) rather than the whole text.

Pick a voice the listener likes

This sounds trivial, but someone who finds a voice irritating won't use the tool. Let the listener try a few voices and choose. A clear voice at a steady pace usually beats an expressive one for study material.

Fix the words the voice gets wrong

Subject vocabulary, names and abbreviations can be mispronounced, and a wrong pronunciation teaches the wrong word. Check new material once and correct errors before handing it to a learner.

What tools are available?

There are two different jobs here, and different tools suit each.

Reading anything on the spot

Most phones, tablets, computers and browsers have built-in read-aloud features or screen readers. These are free and good for reading web pages, emails and documents on demand. Learners should know how to turn them on for every device they use.

Making audio versions you keep

When the same material will be used many times (a reading list, a worksheet, a revision guide, a newsletter for parents) it's worth producing a proper audio version once: correct pronunciations, a pleasant voice, pauses in the right places, and a file anyone can play on any device.

That's where a studio like Leelo fits. You can try it on a short passage with the free text-to-speech tool, or use the full text-to-speech studio for longer material.

How can teachers and parents make audio versions of reading material?

Step by step

1. Start from the text you already use. Paste it or import a document. The studio works line by line, so each paragraph or question can be adjusted on its own.
2. Pick one voice for the subject or the year. Learners get used to a voice, and consistency helps.
3. Fix pronunciation. Check names, technical terms and abbreviations. "Mg" should be "magnesium", "e.g." should be "for example", "Ch. 3" should be "chapter three".
4. Add pauses and slow down key lines. A pause before each question and a slower pace for instructions help a lot. See directing the delivery.
5. Export as MP3. Share it through your learning platform or messaging app, alongside the printed text.

Worked example: a Year 8 science worksheet

A 500-word worksheet on the water cycle has an opening paragraph, a diagram description and five questions.

• The teacher imports it and splits each question onto its own line.
• She adds a two-second pause after each question, so students can stop the audio and answer.
• She slows the definition of "condensation" slightly.
• She checks "precipitation" and "transpiration" are said clearly.
• She exports one MP3 and posts it next to the worksheet.

At 1 credit a word with a standard voice, that's about 500 credits. The Free plan's one-time 1,000 credits covers two worksheets like this, enough to see whether students use it. The Starter plan ($19 a month) includes 80,000 credits, roughly nine hours of audio at 150 words a minute.

For course-length material, our guide to e-learning voiceover covers longer productions.

For schools and publishers with articles online

If you publish newsletters, articles or lesson pages on a website, an audio player on the page lets every reader listen without installing anything. Leelo's embeddable audio player does this, and the articles use case page shows how publishers use it.

Can text-to-speech help with writing as well as reading?

Yes, in two ways.

• Listening back. Paste a draft into a text-to-speech tool and listen while following the text. Errors that the eye skims over become obvious when heard: "I went too the shop", "the the", a sentence that stops halfway.
• Speaking first. Many people with dyslexia can say an idea much more fluently than they can spell it. Record yourself explaining your answer, then turn the recording into text with audio-to-text. Edit the transcript into the final piece, and listen back to check it.

What about exams?

Many exam systems allow reading support for candidates who need it, such as a human reader or a computer reader. The rules, evidence required and deadlines vary by country and exam board, so ask the school's exam or special needs coordinator early. The best preparation is using the same kind of tool in everyday study, so that on exam day the voice and controls are familiar.

What are common mistakes with text-to-speech for dyslexia?

• Going too fast too soon. Speed is a skill. Let the listener build up to it.
• Audio only, no text. For learning to read, keep the words in front of the learner.
• Never checking pronunciation. A mispronounced key term in revision audio gets learned wrong.
• Treating it as a cure. Text-to-speech gives access; it doesn't teach decoding.
• Making it a special case. If the whole class has the option to listen, the student who needs it isn't singled out.
• Forgetting other languages. In languages with more regular spelling, such as Spanish or Italian, dyslexia often shows up more as slow reading than as misread words, and listening support helps there too.

Frequently asked questions

Is text-to-speech good for dyslexic students?

Yes, as an accommodation. It lets students understand material at their real level, reduces fatigue and helps with proofreading. It works best alongside structured reading instruction, not instead of it.

What speed should text-to-speech be for someone with dyslexia?

Start around or a little below normal narration pace, about 150 words a minute, and let the listener adjust. Many people speed up over time. Slow down instructions and definitions rather than the whole text.

Does listening to text count as reading?

For understanding content, listening gives access to the same ideas, vocabulary and arguments. It doesn't practise decoding, so learners still need reading instruction. Reading along while listening combines both.

Can I make audio versions of school worksheets?

Yes. Paste or import the text, choose a clear voice, fix any mispronounced terms, add pauses after questions and export an MP3. A typical worksheet costs a few hundred credits in Leelo, and the Free plan's 1,000 credits are enough to try it.

What is the difference between a screen reader and a text-to-speech studio?

A screen reader or built-in read-aloud feature reads whatever is on the screen, right now, for one person. A text-to-speech studio produces a finished audio file you can correct, polish and share with many people. Most learners benefit from having both.