How Does Auto Tune Know What The Right Note

How Does Auto Tune Know What The Right Note Rating: 9,9/10 8821 votes

Program Description

Your pitch—that's the red line—wavers back and forth around the right note. Auto-tune can tell which parts of the sound are higher or lower than they should be, and it's able to nudge them. Feb 27, 2013  You can use Auto-Tune not only to pitch correct vocals, but other instruments too, and light users will tweak a note here and there if a guitar is, say, rubbing up against a vocal in a weird way.

(Program not available for streaming.) NOVA scienceNOW talks to the engineers behind Auto-Tune, the pitch-correction software that turns sour notes into sweet ones. Professional musicians from Madonna to Snoop Dogg use Auto-Tune, but can the software turn host Neil deGrasse Tyson into a singing star?

Definition of auto-tune in the Definitions.net dictionary. Meaning of auto-tune. What does auto-tune mean? Information and translations of auto-tune in the most comprehensive dictionary definitions resource on the web. Jan 04, 2018  There are two “sides” to the software that most people don’t know about, there is an “Automatic side” (hence the Auto-Tune) and a “Manual side”. The Automatic side is simple, you select the key, speed and sensitivity and the program guesses which.

Transcript

Auto-Tune

PBS Airdate: June 30, 2009

NEILDeGRASSE TYSON: 'Ourlove was like a supernova,'

Yeah,I sing.

'In the nebula of my soul.'

Okay,I'm not great.

'But now I find her heart is like a bigblack hole.'

Allright, I'm terrible. But here's what I'm wondering: if, digitally, you canremove red-eye, smooth over wrinkles, make people look thinner, then why don'twe have the technology to make me sing better?

ANDYHILDEBRAND (Antares Audio Technologies): We can fix Neil.

NEILDeGRASSE TYSON: This guy invented away to do it.

ANDYHILDEBRAND: We can fix Neil's pitch. He'sstill going to sound like Neil, though.

NEILDeGRASSE TYSON: Electrical engineerand inventor Andy Hildebrand designs pitch-correction software. He calls itAuto-Tune.

'Pitchcorrection?' Is that a euphemism for 'fixing bad singers?'

ANDYHILDEBRAND: Yes, we fix bad singers.

NEILDeGRASSE TYSON: I visited Andy atAntares Audio Technologies in Scotts Valley California, where he and engineerJustin Malo..

JUSTINMALO: Hey,Neil.

NEILDeGRASSE TYSON: ..showed me how itworks.

Hummmmmmmmmm.

ANDYHILDEBRAND: Great. There you go. You didthat.

NEILDeGRASSE TYSON: That wavy line representsthe exact frequency of my voice. This line shows where a perfect A should be,so, not too bad.

ANDYHILDEBRAND: He's right dead nuts on in tune.Look at that.

NEILDeGRASSE TYSON: So how does acomputer know that?

ANDYHILDEBRAND: When you hear A, you'rehearing 440 vibrations per second.

NEILDeGRASSE TYSON: So somebody at thebeginning of time said 440 vibrations per second is an A?

Lyrics

ANDYHILDEBRAND: A.

NEILDeGRASSE TYSON: So, if you sing orplay a pitch at 440 cycles per second, the computer calls it an A and it restson this line. B-flat would go on the line above it, G-sharp below, and so on.

'Butnow I find her heart..'

Whenyou're out of tune, the notes don't fall so neatly onto the lines of the grid.

'..big..'

That'sawful.

'..blackhole.'

ANDYHILDEBRAND: Well, it's creative, it'screative. Okay.

NEILDeGRASSE TYSON: '..supernova..'

Thoselines are me singing the word 'super.'

'supernova..'

Mypitch is all over the place. If anything, it's closest to this note, here.

JUSTINMALO: Neil,you sang an F, which normally is okay, if you're in the key of F. And we're not,so we moved your F to an E.

NEILDeGRASSE TYSON: 'Supernova..'

SoJustin gently nudges it down to where an E would be.

'Supernova..'

You'rechanging the frequency of the sound that came out of my vocal cords.

JUSTINMALO: Actually,yes.

ALVINAND THE CHIPMUNKS (Audio recording):'Christmas, Christmas..'

NEILDeGRASSE TYSON:Changingpitch isn't new. You can change someone's voice by fast forwarding on a taperecorder, but you'd sound like..

ALVINAND THE CHIPMUNKS (Audio recording):'Christmas, Christmas time ishere.'

NEILDeGRASSE TYSON: ..well, achipmunk.

Pitchcorrection software lets you change the pitch..

'Supernova..'

..whilekeeping the essential tone of a voice the same.

Andso, although few engineers are willing to admit it, pitch correction software,like Auto-Tune, has become an indispensable tool in most recording studios.

ANDYHILDEBRAND: It's been used by a lot ofpeople: Madonna..

MADONNA (Film clip): 'Music makes the bourgeoisie..'

NEILDeGRASSE TYSON: ..Celine Dion..

CELINEDION (Film clip): 'You got one heart you are following..'

NEILDeGRASSE TYSON: Reba McEntire usesit live?

REBAMcENTIRE (Film clip): 'Starting over again..'

NEILDeGRASSE TYSON: You're telling me asinger can sing into a microphone a bad note, and out the speakers comes a goodnote?

ANDYHILDEBRAND: Yes.

NEILDeGRASSE TYSON: Now, that's evil.

ANDYHILDEBRAND: To modify something isn'tnecessarily evil. My wife wears makeup. Is that evil?

Isthat okay, honey?

NEILDeGRASSE TYSON: Evil or not, therecording industry kept Auto-Tune on the down-low.

ANDYHILDEBRAND: The secret popped out of thebag when Cher did 'Believe.'

CHER(Film clip): 'Do you believe in lifeafter love?'

ANDYHILDEBRAND: I couldn't believe it.

CHER(Film clip): '..aside and I can't breakthrough..'

NEILDeGRASSE TYSON: Rather thangradually and naturally reaching up to each note..

CHER(Film clip): 'I can feel somethinginside me say..'

NEILDeGRASSE TYSON: ..like this,Cher's producer forced Auto-Tune to jump suddenly from one pitch to the next.

CHER(Film clip): 'I feel something inside mesay..'

NEILDeGRASSE TYSON: Is this some knobthat you turn?

ANDYHILDEBRAND: Yes.

NEILDeGRASSE TYSON: All right.

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ANDYHILDEBRAND: And we can turn this knob tozero, which means 'move instantaneously to the new pitch.' And so, if we dothat, your voice would sound like this.

NEILDeGRASSE TYSON: 'But nowI find her heart..'

Didyou plan for people to use it that way?

ANDYHILDEBRAND: No. I didn't think anybody intheir right mind would ever use it that way.

NEILDeGRASSE TYSON: Well a lot ofartists do.

T-PAIN(Film clip): 'She got me doing the dishes

Anything she want for some kisses'

OJO(Film clip): 'I wasyoung and in love..'

SNOOPDOG (Film clip): 'She might be with him but she's thinkin' boutme, me, me.'

NEILDeGRASSE TYSON: But it's mostlyused to tweak out-of-tune performances—a kind of cosmetic surgery.

How Does Auto Tune Know What The Right Note Mean

'..bigblack hole.'

Inmy case though, more like triple-bypass.

ANDYHILDEBRAND: Try to change this to the keyof C.

NEILDeGRASSE TYSON: Moving the tracesof my voice up in pitch or down..

'..supernova..'

..Justincoaxes me into tune.

'Supernova

ofmy soul..'

Ittook several hours.

'..ofmy soul..'

Howwell did it work? You be the judge.

'Ourlove was like a supernova

Inthe nebula of my soul, but now I find

herheart is like a big black hole..'

JUSTINMALO: It'sa lot more pleasing.

NEILDeGRASSE TYSON: I thought the firstone sounded pretty good myself, I don't know.

Kiddingaside, there's no substitute for training or talent.

ANDYHILDEBRAND: If the singer doesn't have agood tonality to their voice, we're not going to make that better.

Dous a favor. Don't go on American Idol.

Broadcast Credits

Auto-Tune

Produced and Edited by
Vincent Liota

NOVA scienceNOW

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Neil deGrasse Tyson
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This material is based upon worksupported by the National Science Foundation under Grant No. 0638931. Anyopinions, findings, and conclusions or recommendations expressed in thismaterial are those of the author(s) and do not necessarily reflect the views ofthe National Science Foundation.

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How Does Auto Tune Know What The Right Note 2

How Does Auto Tune Know What The Right Note

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How Does Auto Tune Know What The Right Notes

(Neil deGrasse Tyson singing) Courtesy T. Robin Hirsh

How Does Auto Tune Know What The Right Note 1

Participants

How Does Auto Tune Know What The Right Note Mean

Andy Hildebrand
Antares Audio Technologies www.antarestech.com/