What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch)

[Savitta]

Holy crap.

[kikiisunshine]

VIOLA!!!!! i subscribed just for that :)

[penguin3lover82]

Have you ever cinsidered being a teacher cuz u would be awesome

[NeoclassicYT]

Can anybody explain the math behind interfering overtones? Here is what I mean.

overtone singer: Natascha Nikeprelevic

[collator]

thank you for explaining mongolian throat singing!

[NeoclassicYT]

@collator Yeah, well that sort of singing is actually practiced also by opera singers when they slowly change from [u] (like ch[oo]se) to [i] (like sn[ee]ze). So you sing uuuuuuuuuu(uiuiuiuiuiuiuiuiui)­iiiiiiiiiiiiiiiiii. One and the same note sung with different micro tones produces an amplified overtone.

[taiteo558]

Your videos are kind of like Radiolab. But don't worry, I love them both. :)

[HARDSTYLE111GRIDGIRL]

all my loves put together..music, maths and physics!

[Aliggan42]

Its a viola...

[Crochomp]

Bet u can't mathematically prove evolution! :p  Creationism ftw!!!

[CamCali14]

131 dislikes are the one's who got frustrated for not understanding her

10,844 likes are for the people who didn't get it as well but loved how they didn't or watched the full 12:48 video in fascination.

[gillpatrick]

vasilar? ... its basilar, just so you know. great vid though :)

[maxthepwner]

Aw, you broke a string for us. I wouldn't have done that with my violin to prove a point.

[thejuddnasty]

i love you

[TheCyberScrub]

Gotta love all the smart people that make the world go round. I truly wish to join them in the future lol

[KickAssClown]

Actually, these mathematics more or less apply to things outside of sound alone. Light and electricity also follow the same patterns. The arguments you make for how we hear this or that note apply for how we see this or that color. The difference is between photons and phonons. I think.

[oOTheUntitledOo]

That was amazing.

[jeewizzery]

I should have known better than to watch this while taking a break from homework. Now I can't concentrate at all

[NeoclassicYT]

YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH. YOU ARE THE COOLEST GIRL ON EARTH.

[StoneOfMoon]

Got lost almost half way through ): I don't get much LOLOLOL you're talking to fast ;__;

[UMSLdragon]

@StoneOfMoon gotta love the pause and rewind slider lol

[Amphigouri95]

I feel stupid. :/

[SuperCanteloupe]

sorry Vi, but i have to like charlieissocoollike's version, because its a song

[louisianatrout]

Did this make anyone else intensely aware of their cochlea(e?)?

[Manolao]

My brain exploded.

[DJTrancenergy]

OMG! I'm just super mindblown right now. You are AMAZING!

[KeystoneFlow]

I'd like her to teach my children. (besides via youtube)

[DarkwingScooter]

ALL LIES! The viola is NOT a musical instrument.

[joemandude2]

VIOLAS RULE!

[htmldude]

Why didn't you use an octave clef? D: So many ledger lines.

[doomed2obscurity]

As a stupid person i can't tell you how reassuring it is to know that there are people this clever in the world.

[jackwasjmansk8r]

my fucking brain.

[aak711]

Wow,,, its really good just to know how you can think all this. Really good job. very good.

[Vortex289]

See, people like she totally deserve the cash that useless, talentless people like Bieber/Eminem/Bouncy get.

[NetIncarnate]

@Vortex289 They're not untalented, they have a talent in earning cash. >:o-

[Vortex289]

@NetIncarnate Ah, you mean their agents have a talent in earning cash. True.

[r3vmixman]

That was beautiful.

[EnRakKurva]

if i was sylar from heroes i would so have stolen your brain

[vladnuke]

Yeah, sound is a beautiful cacophony of tone.

[M5Nland]

Awesome

[Supernovuuuuh]

I feel like I would be so much better at school if my teachers were Sal Khan and Vi Hart.

[sqiliam]

MIND BLOWN! You are amazing!!! =D

[12slipper]

I can play viola. And i really want to meet you so i can show you some of my theriores

[12slipper]

@12slipper Branenburg!

[hobomaster107]

That was amazing! Sound waves were always pretty hard for me to grasp but you did an amazing job at teaching it.

Although my heart sank when you poped your C string on your viola, haha. It's like nails on a chalk board.

[xreverse42]

If you're not in Mensa, you really do need to join.

[elimiNATEu4sure]

everytime i hear something from this point on ill be thinking of this

[Pinky97534]

my brain hurts

[kellybean96]

VIOLA VIOLA VIOLA VIOLA. SCORE.

[ardilodaniel]

I love you and all.....but...could you go a little slower?

[kumo0hikaru]

i just had a braingasm.

[TheGFeather]

My violist heart was thrilled by this vid. My high school string class laughed when I said music is just audible fractions. I'd take twice as long to explain it only half as well as you, though. Awesome vid!

[1508samdriver]

I was lost around 3 minutes in but i stayed to see the cool doodles and drawings you do :) You blow my mind!

[yipper00]

You actually make learning fun...

YOU CRAZY GENIUS

[izabel1395]

did you actually just break one of your violin strings?

[SMokkery]

@izabel1395 no she broke her viola string :D

[izabel1395]

@SMokkery genuinely can't tell the difference - i'm a woodwind player, hah.

[violabetch]

I still can't get over the fact that you drew on your viola D:<

[violabetch]

@violabetch well wrote...

[stratikeo]

OH MY GOD. ...did I just learn? 8D

[MASTURCHEEF001]

You blowing on that string totally didn't give me a boner..

[MeetBailey]

Did anyone see her brother climbing???

[anticorncob6]

@MeetBailey Was that her brother pushing her?

[davecraig123]

Why subconsciously hear Bach and not Beethoven? ;D

[davecraig123]

WolframAlpha :D happy she uses it

[emxoxify]

Wtf did I just learn

[ninjablimp]

OH BOY A CAR HORN :D

[ReauxTzunami]

Welcome to the complicated side of YouTube.

Jokes aside, it's an amazing explanation of sound as a whole.

[Jyhwei0507]

why a viola??? NOOOO!!! also, it was a bit too fast... difficult to follow if not acquainted with the concepts in this video already.

[lastnamelo]

like if you cringed when the string broke.

[Eroilhrsoc]

Why do tri-tones sound do strange?

[Rayvann4ever]

If you want to invest in the next 2-5 years, you invest in agriculture. If you want to invest in the next 20-30 years, you invest in industry. If you want to invest in the future of mankind, you invest in education.

My dear Vihart, Carl Sagan would be proud.

[EmmaLouiseBurge]

I'm pretty sure you're my favourite person on youtube :)

[dajabman1]

You sure like drawing those cohcleas... Too bad you will never get any cohclea!

[Tr3xKuro]

Awesome! Now the next time I watch a video on ToxicJunction with a screaming man getting eaten alive by a lion or the splatting noise of a dog that got thrown off a tall bridge by it's cruel owners, I can just think to myself: "You know, hidden within that blood-curdling scream and that undoubted indication that organs and bones are being crushed to a powder is hidden the same frequencies that make Beethoven's 9th!"

[sparkster7744]

Violin: Hello!

[woodstock767]

10:22 EGGO

[HopeQ8]

i dont know how your brain functions, i feel im stupid

God bless you :)

[ThreeSyxOh]

You basically just reinvigorated my child-like wonderment on how wonderfully exquisite and complicated everything is, if you just take the time to look.

Thank you.

[Storm13Cloud]

Viola for life :D

[KrazyShrink]

How does the science of sound relate to our perception of music as expressing different emotions? Is it simple association or is it built into our minds?

For example, if you raised a child and whenever something happy happened played him music that we would find sad (lots of minor chords I think) would he eventually associate that kind of music with happiness?

[coccananona]

If it don't make sense Its an illusion

[kiju243]

Very awesome.

...but I still hate math. ._.

[MascothStudios3D]

duhhhh...

[YJunj13]

Yu can already teach my math class.

[smlefo]

well done... however, the ratios aren't perfect due to the piano using log base 12, versus simple fractions (like 1/3), but it's "close enough"

[metaled16]

To think I'm studying Sound Engineering and you're touching the stuff I learn about. You really are pushing every boundary of Maths. You seem t jump into every area of Maths which is no mean feat!

[TheLaurenJC]

Hell Yeah Violas

[lycanwolf26]

Holy shit. That's all I can say.

[aztecaXV]

This video has changed my musical life.

[CGTwannabe1]

You're like Supermathmatician!!!!! Sent from a distance planet to help children with their high school math homework via YouTube!!

[Paulinemoke]

Okay, seriously. You can play the violine, the piano, sing, you can draw, you are fairly amazing at maths. What the heck cant you do? You are a fugging genius ; ) .

[peerieweirdo]

@Paulinemoke Actually I believe it's a Viola

[Paulinemoke]

@peerieweirdo Damn you second language, you are so hard and sometimes so inconistend within yourself. But that's okay, because I love you ;)

[peerieweirdo]

@Paulinemoke It's alright, the majority of English speakers as a first language have trouble with that distinction.

[simaomj]

@Paulinemoke viola

[xbfalcon83]

I wish I could see the world as you do

[TheBetterGamer]

@xbfalcon83

I do :)

[freemovies411]

I was lost in beauty for a moment during and after this video, and then I suddenly turned very attentive when there was a knock on my door, the cat meowed, and the hour clock ticked. It's all makes sense, it's all so beautiful...

[PapaT104]

suddenly, chords make scene to me. this should be helpful to my understanding of my upcoming 'songwriting' class.

[nielzy92]

You are officially awesome!

[TheMadFedje]

Smart.

[PsychoSonic]

I had to stop this video at multiple intervals just to take in everything

i love you

[ffxfriki]

i was looking at the top green bar

[hotboyme]

I just learn music by watching this.

[VeraciousAmI]

I thought the video was very clever, and it's evident that you know what you're talking about, but it is extremely simplified for someone truly wishing to understand the physics of sound. Do you have any recommendations of things I can read regarding this subject?

[PsychoSonic]

@VeraciousAmI THE INTERNET

seriously just use google

[saxyviolist]

woah.

[theskadudeguy]

MIND BLOWN

[kellykernaghan]

Gridlok & BLOCKHE4D - Bad Kat.

[benplotke]

That explanation of the cochlea is a gross simplification. Although I agree that a complete explanation in this video is untenable, I think people should realize that there is more to it if you care to look it up. This is still one of my youtube favorites.

[zimmojimbo]

I LOVE YOU!!!!!!! And i dont know whyyy!

[Mjolkmaestro]

So.. you shroom, right?

[jeffhx]

GOD I LOVE YOU. nuff said

[RackHopper]

You make me enjoy playing the violin so much more. I'm gonna go play now, LIKE A PRO!!!

[mysinger4life]

You've blinded me, with SCIENCE!

[maekern]

All of your videos are great, but this was truly wonderful.

[Suscida]

I am 24 and basing my career on music, it worries me that I had trouble following a lot of this!

[FalseFace13]

terrific

[unsocializedhomescho]

This is just amazing.. Who knew our brains and ears were advanced enough that all that can go on?

[messyhair42]

Can you take it one step further and use Fourier Analysis?

As a former violinist I feel compelled to make a gratuitous viola joke but since I enjoyed your video so much I will spare it

[Irishfreedom]

Now prove string theory please : )

[heroineworshipper]

So did Wind ever hear Mr. Ug?

[cjk133]

she uses the word "dampens" which is a meaningless word in acoustics. She may mean "damps". In the context she was using it, she really should be saying "attenuates".Minor details, but the quality of what we know is fundamentally defined by the language we use to define it. Nice vid though!

[jheckman314]

Just watched again. WOW

[guyboy625]

Wait... don't ignore the well temperedness of pianos and problems with tuning. D=

Pianos are NOT perfect, people. The pitch ratios on pianos are some wacky twelfth roots of 2. This is not a good thing, cause that means they're irrational, and you know what happens then if you watched the Fibonacci plant video.

[NotEntirelyLegal97]

Its amazing that I actually understand. Maybe a womans voice is the key to understanding math. The sheer beauty behind sound and amazing mathematics behind sound. I finally get it!! Wait ... no wait, my head hurts, awww the writhing PAIN!!!

[jsymons1985]

noo.... it was perfect except for one thing!! It is the "Basilar Membrane"

[Sasquatch78412]

<3 Outstanding. The one statement I get when I teach science: "This isn't science!". Your crosscurriculum videos are so on target.

[ChipNick87]

GAAAH YOU'RE RUINNG THAT VIOLA.

[monkylicious]

@ChipNick87 no she's not it's erasable

[kghobbes]

This is amazing. No wonder we are so strongly affected by great music. If there is truly that much detail in a screeching train (a very unpleasant noise), imagine what our brain is going through when we hear a well-tuned symphony playing, or...dubstep.

[Onkemannen]

So, math… We meet again...

[redKELLYMHRCH]

i wish i was this briliant

[Nepycros]

The number of molecules in a soundwave is higher than the national debt...

For now.

[FuckenCeeJay]

I bet she's gorgeous.

[articsocean]

Let's see what you can do...

1. Draw (using math)

2. Music (using math)

3. Science (using math)

4. Tell Stories (using math)

5. Math (using math)

Math is in everything!

[Ryanlauph]

@articsocean Mathception! Wait, no...

[sousageyum]

Im gonna start cleaning up my screen because my mind is literally blown into tiny bite size pieces.

[Jorlp]

Dude I will be using your videos in my classroom... dat cool?

[xgamer2100]

i have been mind fucked

[nkaramazov]

She should try explaining dubstep.

[silencedidgood]

This video should be nominated for SOMETHING???It is truly incredible.

[shkristensen]

Basilar membrane is spelled with a B, not a V

wiki / Basilar_membrane

[darkgreentunic]

@shkristensen she says so in the description :)

[ich0hasse0es]

That's a very good video, thank you! :)

[Erekai]

This all went WAAYY over my head. But I loved it anyway

[iggynewton]

that was magical

[weirdandlazy1]

Penis.?

[s0m0c]

Genial.

[bordonthestreet]

Cool! Barbershop Quartets are all about creating and strengthening overtones!

[t1e1rry]

"..... or it pushes with the wrong timing, just like someone bad at playgrounds." Greatest quote from the presentation. LOL love it.

[ThePandaWood]

of course, this is rocket science for americans...

[mariebutterfly1968]

you should be a teacher. btw, your voice is beautiful.

[coockiemonster8]

youur smart ! :D and really good , hope your future job would or is a teacher about science or math , what would be really cool would be that you would be my teacher and you would probably make science and math fun with all of these stuff . what i like the most was your other video about the little candy , that would be super cool if you would make a project about that ! haha that would be juste to easy but fun :)

[aylasdfghjkl]

YOU BROKE YOUR STRING. :O

AND YOU WROTE ON YOUR VIOLA.

THE PART OF ME THAT IS A MUSICIAN IS ABSOLUTELY HORRIFIED.

The part of me that is a punk thinks you're a badass. \m/



[renatinhoinhoinhoinh]

hey, i am a mathemusician too \o/ but i'm still sorry for that violin haha

[amanualgearbox]

Thanks this video rocks!!

[abdwyer]

"The cochlea is AWESOMELY spiraled up"--love it!

[gunha9]

..... what?

[DJLaszlo]

Awesomeness!

[EvanFingerstyle]

8:20, is that how MIDIs are made?

[DarkenIsGod]

@EvanFingerstyle

No that would take forever lol. People usually get a midi keyboard and record songs in an audio program.

[EvanFingerstyle]

@DarkenIsGod Wouldn't that be writing a song? I mean how people would create the original MIDI soundfiles that would be built into the MIDI keyboard or in the DAW

[DarkenIsGod]

@EvanFingerstyle

They'd use a synthesiser or some sort of software to mess around with waves.

[EvanFingerstyle]

@DarkenIsGod Oh, okay cool. Thanks for answering my question by the way!

[nphony]

Nice vid, but DON'T CALL IT the "OVERTONE SERIES!" That lousy term makes the math off by one, and anyway "overtone" can even be inharmonic partials from sounds like bells (that example also is important to clarify that NOT every sound has the series you're talking about). The term you want is "HARMONIC SERIES"

Anyway, I highly recommend Bill Sethares' book "Tuning Timbre Spectrum Scale" for anyone wanting to go beyond this basic intro stuff into more advanced understanding.

[MegaTaegirl]

the audacity bit sounds like john's sing-a-ma-jigs

[DeadXylo]

is that u on the swing? y aren't u famous yet?

[MsMegajosh]

moo?