get chapter information from The Economist Audio podcast (https://jingking.github.io/The-Economist-Audio-List/economistdownload.html) files (in *.m4a format)
This is the .Net version for desktop environment.
m4a-chapter-extractor.exe "yourpodcastfilenamehere.m4a"
This will output all chapters inforamtion in json string format
chapters: [
{ title, startTime, endTime }, // the first chapter
{ title, startTime, endTime }, // the second chatper
...
],
If you want to save the json object strings into a txt file,
m4a-chapter-extractor.exe "yourpodcastfilenamehere.m4a" >chapter.txt