One type of normalization is peak normalization, wherein the gain is changed in order to bring the highest PCM sample value or analog signal peak to a given level.
Since it only searches for the highest level, it does not account for the apparent loudness of the content. As such, peak normalization is generally used to change the volume in such a way to ensure optimal use of the distribution medium in the mastering stage of a recording.
Read more about this topic: Audio Normalization
Famous quotes containing the word peak:
“In all things I would have the island of a man inviolate. Let us sit apart as the gods, talking from peak to peak all round Olympus. No degree of affection need invade this religion.”
—Ralph Waldo Emerson (1803–1882)