Include extensions for Chrome and Firefox web browsers, which read the web page text out.
Include a toolbar for Internet Explorer web browser, the toolbar can read the text on the web page out, and convert the text to audio files.
Include a toolbar (add-in) for Microsoft Word, the toolbar can read the text on the Word document, and convert the text to audio files. (Show the toolbar.)
Adjust audio files' sample rate and bit rate to obtain satisfactory audio quality or audio file size.
Allow users to customize user interface window layout, font, text size, text color, highlight color, and background color.
Allow users to adjust voice speed, volume, and pitch.
