ELAN (EUDICO Linguistic Annotator) is a professional tool for the creation of complex annotations on video and audio resources. It is a tool of the Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands (http://tla.mpi.nl/tools/tla-tools/elan/).
You can export data from Audio Project Manager for use in ELAN. See:
Export particular files helps you export a particular type of audio file, and the transcription for use in ELAN.
Export to ELAN helps you export the *.eaf file and then the audio file separately.
https://www.solvusoft.com/en/file-extensions/file-extension-eaf/