MP4 / M4A Format Customization in Audio Converters for Mac OS X - Amvidia
How to Merge MP4 and M4A Files Together?
Can mux.js produce a demuxed mp4 (m4a,m4v) from a muxed .ts · Issue #265 · videojs/mux.js · GitHub
Top 3 Tips to Combine MP4 and M4A Files [2021]
downloading a course from torrent, it has files split (into audio and video) and are encrypted. the files "play" separately but no audio or video. author hasn't replied neither on torrent site
How to Merge MP4 and M4A Files Together?
How to Merge Video Files Using FFmpeg - Bannerbear
StaxRip 2.0 Support Thread - Page 73 - Doom9's Forum