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US 5973252

How Real-Time Pitch Correction and Auto-Tune Technology Works

A method for detecting the pitch of a musical note and adjusting it to a target frequency in real time using auto-correlation.

Statusexpired

Granted1999

Expires2018

Claims42

Forward citations39

Prior art8

AssigneeAuburn Audio Technologies Inc

InventorsHarold A. Hildebrand

Patent B

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