Various audio formats, like mp4. or .mp2 can be usually converted using one of the many multimedia converters or special audio editing and mixing software. Should be easy enough, although the resulting quality may vary depending on the original.
Convert MPEG-4 video file format to Sound file (MPEG-1 Layer II Audio Stream).
We have found 5 software records in our database eligible for .mp4 to .mp2 file format conversion.
Microsoft Windows software - convert mp4 to mp2 on Windows
A timeline-based video editing software from Adobe
Convert from mp4 file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned mp4 to mp2. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Universal All Purpose Free Media, Audio & Video Converter Player Recorder
A video converter software
Video converting software
A music library management program - renamed to Helium (version 12) and replaced in 2016