A guide about how to use Audio Book

Audio Book is a practical Mac OS X application that enables you to covert various types (EPUB, PDF, HTML, RTF, TXT) of eBooks or iBooks to audiobooks in the MP3 and AIFF format. It comes with support for over 50 robot voices, including male, female and neutral, as well as 38 different languages. First download Fireebok Audio Book demo version on your computer.

Download for Mac

When you open .dmg file, please drag & drop Audio Book.app to /Applications to complete the installation.
Note: The guide will show you how to choose right voice, import other book and convert audio book.

Part 1: Choose your right language and book reader

Before you are ready to convert books to audio book, first choose right language and by “language” pop-up menu, then choose the right book Reader by “Gender” pop-up menu and “Reader” pop-up menu. And you can also adjust the speed of the reader.

Step 1: Choose the right language version. For example, there are six different English version.

choose lanuage

Step 2: Choose the gender of the reader

gender voice

Step 3: Choose the book reader. Each reader's voice is not the same, just find the right one for you.

book reader

Step 4: Click the "Test reading" button to listen the voice of your choice. If you are not satisfied with it, then replace a different reader, until you are satisfied. Every time you change the language and the reader, listen to the voice by the “Test reading” button. And different books can be read by different reader, which is very pleasant.

test read

Part 2: Convert books to audio book

After you have set the voice of the reader. After you selected the book, you can click “ Convert” button to start . Or right mouse down the book, it will pop-up a menu, then click “Convert to audio file” to start. The demo version just free to convert part of the content.

Note: Because of the copyright of the books, we only provide our service for public domain books. Lean more about the public domain book https://en.wikipedia.org/wiki/Public_domain

convert audio book

Part 3: Listen and manage audio books

The list of resulting audio books will be displayed in a panel to the bottom of the main window. It can be easyily operated and resulting tracks can be sent to iTunes library with two clicks. You can right mouse down on it and it will pop-up a menu. Choose several options: Show in Finder, Play (in iTunes), Adds items to iTunes library, Delete.

Listen and manage audio books

Part 4: Import books are not in iBooks

Audio book also supports the ebooks which are not in iBooks. Click “Import Books” button to choose your books on the computer, then they will be added in Books section (under iBook Purchased)

import books

Part 5: Convert the Aiff file to Mp3 file

By default, the audio file format is aiff. If you need to convert the aiff file to mp3 file, you can right click the aiff file and it will pop-up a menu, then choose the "Convert Aiff to Mp3" menu item. Or choose "Convert All Aiff files to Mp3 files" menu item to convert all audio files.

convert aiff to mp3

Part 6: Download the voice package or Upgrade to enhanced quality voice

You can customize the auido file using different languages, voices, speak speed in Audio Book. Voice options for gender depend on the language you pick. And the macOS system did not download and install all the voice package in the local computer. So some voice of them you need to download or upgrade in System Preferences.

Step 1: Open System Preferences -> Dictation & Speech.

change system voice on mac

Step 2: Select System Voice -> Customize...

customize system voice on mac

Step 3: Scroll down to select the voice package you want

download voice package on mac

Part 7: How to fix when Audio Book freeze or doesn't work

Audio Book use the Speech feature in Mac OS X during the conversion. When the book contains some special characters and symbols, the Speech feature can't recognize them some time sometimes. It will freeze or crash. You can check the Speech feature in System Preferences -> (Accessibility -> Speech in macOS 10.13, Diction & Speech -> Text to Speech in old Mac OS X) , it becomes unavailable.

speech freeze on mac

It means the Speech feature freeze or crash on your computer, and you need restart the computer to restore this feature. Then run Audio Book, it will work again.

Have more questions or need help from us?

Contact our support team here.