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Pitch Correction effect in Logic Pro for iPad

You can use the Pitch Correction effect to fix the pitch of incoming audio signals. Improper intonation is a common problem with vocal tracks, for example. The sonic artifacts that can be introduced by the process are minimal and are almost silent when making moderate corrections.

Pitch correction works by accelerating and slowing down the audio playback speed, matching the input signal (sung vocal) with the correct note pitch. If you try to correct larger intervals, you can create special effects. Natural articulations of the performance, such as breath noises, are preserved.

Any scale can be defined as a pitch reference (technically speaking, this is known as a pitch quantization grid). Improperly intonated notes are corrected in accordance with this scale.

The Pitch Correction effect can be fully automated. This means that you can automate the Scale/Chord and Root Note parameters to follow harmonies in the project. Depending on the accuracy of the original intonation, setting the appropriate key with the Scale/Chord parameter may suffice. Less precise intonations may need more significant changes to the Scale/Chord and Root Note parameters.

Note: Polyphonic recordings, such as choirs, and highly percussive signals with prominent noisy portions cannot be corrected to a specific pitch. Despite this, you may want to try the plug-in on some drum sounds, such as toms and congas because it can deliver interesting results.

To add Pitch Correction to your project, choose Pitch > Pitch Correction in a channel strip Audio Effect plug-in menu or the Plug-ins area. See Intro to plug-ins. Also see Add, replace, reorder, and remove plug-ins in the Plug-ins area and Work with plug-ins in the Mixer.

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