...It uses the FOBS4JMF library which is a wrapper of the ffmpeg library.
The next audio formats are accepted:
wav, mp3, ac3, dts (not all versions of dts).
Detailed documentation in English and Spanish is included, as well as the binary and the source code in C++.
You will find more about it at this web site:
https://www.frojasg1.com:8443/downloads_web/web/html/sincronizadorDeAudio.html?origin=sourceforge