As mentioned on its website, FFmpeg is:
A complete, cross-platform solution to record, convert and stream audio and video.
FFmep is a powerful freeware, as mentioned on the Wikipedia page
FFmpeg includes libavcodec, an audio/video codec library used by many commercial and free software products, libavformat (Lavf), an audio/video container mux and demux library, and the core ffmpeg command line program for transcoding multimedia files.
libavcodec is actually used in VLC
a popular multimedia you may be familiar with. Personally I value FFmpeg for its
CLI that allows many audio/video format manipulation and conversion. For instance,
in order to get a sample of 3.4 seconds from a video (let’s say in
starting at 56min42sec500ms , do this:
Also, to convert audio file in batch formats in batch:
The CLI is fairly simple and if you know a bit a
bash then I,m sure many ideas
pop up in your mind and make you realize how powerful this could be.