Sound Normalizer 8.7 is a specialized software application designed to adjust the perceived loudness of audio files without degrading sound quality. Unlike a simple "volume booster" that can cause clipping (distortion), a normalizer analyzes the file’s peak amplitude or its integrated loudness (RMS/EBU R128) and applies a gain adjustment to bring the entire track to a target level.
This is where most users get confused. Here is the rule of thumb:
You might wonder, "Why can't I just use the volume knob?" The answer lies in .