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Pitch effects overview in Logic Pro for Mac
You can use the pitch effects to transpose or correct the pitch of audio signals. These effects can also be used for creating unison or slightly thickened parts, or even for creating harmony voices.
You can also define a scale to automatically correct some, but not all, sung notes in a vocal performance, for example. This enables you to effectively perfect an imperfect vocal take.
You can also use pitch correction effects creatively, modifying all pitched notes in a performance to a single pitch or a particular key.
See Pitch Correction, Pitch Shifter, and Vocal Transformer.
If you’re new to using plug-ins in Logic Pro, see Add, remove, move, and copy plug-ins in Logic Pro for Mac.