We are looking to have an application written that will take MP3 file(s) and Text Documents (perhaps HTML or ePub too) and create an MP4 file that displays text, highlighted, as the audio plays in an attractive manner. We would like to have an option to turn the highlighting off and on if that's possible.
We are open to languages it could be written in. Application must run on Windows, additional platforms a bonus. Full source must be provided along with all copyrights / ownership.