Audio demonstration of pitch-correction software

New Yorker music editor Sasha Frere-Jones demonstrates how Antares' Auto-Tune works.

Having spent some time in recording studios, I was aware that automatic pitch-correction software exists and is used by nearly every singer to smooth out the occasional off note. (Neko Case claims she doesn't use it, but she's the rare exception.) But I don't sing, so haven't spent a lot of time with it myself.

When pushed to the limit, pitch-correction software can sound like a vocoder, such as this device built in the 70s by German band Kraftwerk. Public domain via Wikipedia

So I was fascinated to hear New Yorker music editor Sasha Frere-Jones, who wrote about pitch-correction this week, give an audio demonstration of Antares' AutoTune software in the magazine's Out Loud podcast. He sings a version of Kelly Clarkson's inescapable "Since You've Been Gone," sounding a bit like Lou Reed until he gets to the chorus, which he actually comes close to hitting. (Try it. It's hard.) He and the audio engineer pitch-correct a few off notes and it's almost undetectable.

Then they go extreme with the effect, creating the "warbling" effect that is best known from Cher's "Believe." In the podcast, they cover the misconception--which I shared--that "Believe" was recorded with a different device called a vocoder, which is enjoying a small resurgence among some electronic bands and was used to great effect by Neil Young on his 1982 album Trans. It's hard to tell the difference, but vocoders can be used for much more extremely distorted sounds--demonic robots on a rampage--while pitch-correction always sounds musical, if a little bit artificial.

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About the author

    Matt Rosoff is an analyst with Directions on Microsoft, where he covers Microsoft's consumer products and corporate news. He's written about the technology industry since 1995, and reviewed the first Rio MP3 player for CNET.com in 1998. He is a member of the CNET Blog Network. Disclosure. You can follow Matt on Twitter @mattrosoff.

     

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