Text to speech makes reading more easy as it reduces visual fatigue.This article tells you how to convert text to speech. It's totally free and easy. You can have a try.

1. How to convert text to speech
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2. Text to speech is a voice technology which convert text to audio.
It can reduce visual fatigue and help blind people to read books.
This article will show you how to convert text to speech in two
ways.

3. 1. Convert text to speech online
Step1 Add files
Visit www.zamzar.com. Click “Choose Files” to upload file.

4. Step2 Set format and email
Set format as “MP3” and fill in email address. Click “Convert” to
start.

5. Step3 Get audio file
Check your email when uploading finisher. Click the download
link to get your converted audio file.

7. 2. Convert text to speech with TTSReader
Step1 Install TTSReader
You can download TTSReader at this website.
www.sphenet.com/TTSReader/Download.html

8. Step2 Add file and set preference
Add txt file to TTSReader and set your preference. If you want
convert other formats to speech. Please convert them to txt file
first. Visit www.epubor.com/ebook-converter-with-calibre.html for
details.

9. Source : http://www.epubor.com/how-to-convert-text-to-speech.html