Generally, you wish to convert your video and just preserve the audio and save it as an MP3. Choose M4B because the output format you wish to convert MP3 file(s) to. Chances are you'll wish to convert M4A audio to MP3 if you wish to listen…

What you have to to take heed to a bookmarkable audiobook in your smartphone is a utility that converts the MP3 file into the bookmarkable MP4 format. Free Video Converter has a small set of output choices (MP4, AVI, MPEG and MP3 can be fo…