Install sndfile-tools by entering the following commands in the terminal:
sudo apt update sudo apt install sndfile-tools
Description:
Collection of programs for operating on sound files
sndfile-tools is a collection of programs which use libsndfile and other libraries to do useful things like generate spectrograms using libfftw and libcairo and play sound via the JACK Audio Connection Kit daemon.
Homepage: http://www.mega-nerd.com/libsndfile/tools/
Version: 1.03-7.1
Section: universe/sound