Usar la aplicación APKPure
Obtener M4a Cutter And Joiner versión histórica en Android
Simple y fácil de usar herramienta para cortar y unir archivos M4a.
Simple and easy to use tool for trimming and joining M4a files.
You can set audio bitrate, audio sampling rate and audio channel, while merging mp3 files.
You will find your converted files in the "Music Folder" (i.e /SdCard/Music/)
***This app uses FFMPEG library.