Camtasia screen recording software can export its recorded sessions to several other multimedia formats, including the MP4 (audio only). This can be done simply by using the Produce and Share function in the program, where you change the option to Custom production settings and in the next step select the MP4 (M4A) format.
Convert Camtasia Studio recorded session to MPEG-4 compressed audio.
We have found 2 software records in our database eligible for .trec to .m4a file format conversion.
Microsoft Windows software - convert trec to m4a on Windows
A screen capture and video editing software
Convert from trec 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 trec to m4a. 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.
Apple macOS / Mac OS X software - convert trec to m4a on OS X
Video editing tool for Apple Mac computers