What is a Pitch Correction Plugin?

A pitch correction plugin is an audio processing tool used in digital audio workstations (DAWs) to adjust the pitch of a recorded sound, most commonly vocals. It detects the pitch of incoming audio and shifts it to the nearest desired musical note to correct tuning errors.

Pitch correction plugins typically allow users to specify the musical key and scale of a song so that the software can adjust notes to the correct pitches automatically. Many plugins also provide controls for parameters such as retune speed, humanization, and pitch shift amount, allowing producers to make subtle corrections or create stronger effects.

These plugins are widely used in modern music production to improve vocal accuracy and polish performances. When applied gently, pitch correction can make a vocal sound more in tune while still natural. When used more aggressively, it can create a distinctive electronic vocal effect that has become popular in many styles of pop, hip-hop, and electronic music.