Convert 3ga to nut

What is the difference between .3ga and .nut?

Developer: 3GPP (Third Generation Partnership Project); The nut file type was created by the FFmpeg project.

Description: 3GA (3GPP Audio File) is an audio file format used by 3GPP (3rd Generation Partnership Project) to store audio data for 3G mobile phones. It is based on the AMR (Adaptive Multi-Rate) audio codec and is used for voice recordings, ringtones,; The nut file extension is associated with the NUT a patent-free, multimedia container format originally conceived by a few MPlayer and FFmpeg developers that were dissatisfied with the limitations of all currently available multimedia container formats such as AVI, Ogg or Matroska.