Stylator is the program to create your audio podcast in mp4 format. The output file can also be renamed to m4a to improve the compatibility with iPod players.
The Audio compression format used by Stylator is AAC.
You can also add a cover art to idetify your compilation.
In the mp4 container file also the info of each track (Author + Title) will be saved always in two format: Standard Nero ISO Format and Quicktime Format.
The output file is compatibile with the most modern player that can skip to each track/chapter.