Install libreplaygain1 by entering the following commands in the terminal:
sudo apt update sudo apt install libreplaygain1
Description:
Calculate ReplayGain information - library
libreplaygain calculates the perceived loudness of audio and suggests dB adjustments according to the ReplayGain standard. . This package provides the shared library.
Homepage: http://www.replaygain.org
Version: 1.0~r475-1
Section: universe/libs