<answer>ReplayGain</answer> is a standard for measuring and storing the loudness of an MP3 file (audio normalization) in its metadata tag, enabling a <answer>ReplayGain</answer>-compliant player to automatically adjust the overall playback volume for each file. MP3Gain may be used to reversibly modify files based on <answer>ReplayGain</answer> measurements so that adjusted playback can be achieved on players without <answer>ReplayGain</answer> capability.
What is the name given to the standard for measure and storing the loudness of an MP3 file?
ReplayGain