Flacgain ^new^

The original compact disc (CD) introduced a theoretical dynamic range of 96dB. However, modern listening environments (cars, subways, open-plan offices, portable devices with background noise) cannot reproduce this range. A soft passage at -40dBFS becomes inaudible, while a fortissimo at -0.1dBFS causes ear fatigue or clipping in downstream electronics.

When you apply gain to FLAC files, you are typically calculating a "loudness" value rather than changing the actual sound wave. flacgain