Answer: Analyzing Seismic Data
Auto-Tune is a popular music processor commonly used to change the pitch of vocal and instrumental performances to hide key errors when the vocalist or instrument is turned off, Auto-Tune compensates for pitch fluctuations.
Although Auto-Tune is widely used in the music industry (and some would say it is being abused), Auto-Tune was not originally intended for use in recording studios. The original application was developed by Andy Hildebrand while working for Exxon to interpret seismic data to find subterranean oil deposits. In the course of his research, he realized that the technology he developed could also be used to detect, analyze and change the pitch of audio files.
While minor applications of auto-tune smoothing algorithms are virtually undetectable, the program was used to produce more dynamic effects. Cher's 1
One of the more entertaining applications of Auto-Tune is the efforts of the group The Gregory Brothers, known for their video series "Auto-Tune the News" (renamed "Songify the News" in 2011). The group takes segments from news programs and other non-musical video sources and uses auto-tune to create musical arrangements. The group is responsible for the most popular YouTube video of 2010 (with the exception of the most important music videos), "Bed Intruder Song".
Courtesy of Antares Audio Technologies.