How Your Vocal Cords Make Sound

Posted by Alex in Medicine, Video Clips on March 27, 2009 at 3:03 pm


This one is fascinating, though if you’re a little squeamish about human anatomy, this isn’t for you. Here’s a video clip of Dr. Christopher Chang performing a transnasal fiberoptic stroboscopy to evaluate the vocal cords. (Plain English translation: here’s how your vocal cords make the sound that’s comin’ out of your mouth!)

Hit play or go to Link [YouTube]


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25 comments to "How Your Vocal Cords Make Sound"

  1. chad
    March 27th, 2009 at 3:22 pm

    Is it just me, or does the still image for this video look a lot like... well... like something that's not vocal cords?

  2. Natalie S
    March 27th, 2009 at 3:41 pm

    Also known as nasendoscopy.

  3. dd.
    March 27th, 2009 at 3:49 pm

    On the higher notes, you can see that the vocal folds don't close properly, which is the reason for her breathy voice on those notes.

    And now you know.

  4. lameramera
    March 27th, 2009 at 3:59 pm

    my thoughts exactly chad

  5. Morgan
    March 27th, 2009 at 4:03 pm

    Fascinating.
    I also had the same thought chad.

  6. Josh
    March 27th, 2009 at 4:06 pm

    When the page loaded my first thought was Neatorama is now into some kind of strange pr0n.

  7. Kalel
    March 27th, 2009 at 4:10 pm

    Fascinatingly icky.

  8. Non
    March 27th, 2009 at 4:12 pm

    Bizzare... hearing a human voice from something that looks so alien.

  9. eni
    March 27th, 2009 at 4:12 pm

    I really don't think I'd be able to talk or sing too well with that thing down my nose.

  10. Johnny Cat
    March 27th, 2009 at 4:33 pm

    Interesting. And chad, you win money.

  11. tobot
    March 27th, 2009 at 5:21 pm

    hey thats where the squid went from watchmen!

  12. Sadie
    March 27th, 2009 at 6:03 pm

    I'm a speech language pathology student. Can you believe something like that is in your throat?! This amazes me. Not only are the vocal folds vibrating at intense speeds (Hz) but the very walls of the larynx are shaping the sound.

    And to dd, we might not be able to see the folds close in high notes because the strobe light might not have been set to be in sync with the hz of the note she was singing.

  13. Woogie
    March 27th, 2009 at 7:40 pm

    LOOK! It's a vulva!

  14. dorkhero
    March 27th, 2009 at 8:29 pm

    Evidently you only live twice, or so they say...

  15. monia
    March 27th, 2009 at 8:44 pm

    We are fearfully and wonderfully made. Psalm 139

  16. ted
    March 27th, 2009 at 9:36 pm

    I think everybody was thinking porn. I'm hoping they add something else so my browser doesn't keep refreshing to that.

  17. LisaL
    March 27th, 2009 at 9:55 pm

    Lol.. yes I think everyone has their minds in the gutter when we saw the still :P lol
    Video is very interesting though, and a bit gross.

  18. wyrda
    March 27th, 2009 at 11:51 pm

    @chad
    no wonder deep throat feel so good...

    hum baby huummmmm

  19. David Govett
    March 28th, 2009 at 1:37 am

    Anyone else enjoy John Barry's You Only Live Twice. The best Bond theme.

  20. Guest
    March 28th, 2009 at 2:46 am

    porn

  21. GabYYas
    March 28th, 2009 at 3:33 am

    hahaha wyrda...you totally went there.

  22. seefish3
    March 28th, 2009 at 7:41 am

    God, that was so gross I could barely look at it. I sure wasn't thinking of anything sexy. Gag. Literally!

    And as much as I worship John Barry, I like "Tomorrow Never Dies" better. Blasphemy, I know...

  23. CheeseDuck
    March 28th, 2009 at 11:15 am

    >__<

    I guess I wasn't the only one who thought that it was something else.

  24. Christophe
    March 28th, 2009 at 2:22 pm

    Another one with Chad ;)

  25. bobby
    March 31st, 2009 at 10:20 am

    This is beautiful man !

    Every sound produced y my mouth is made by that weird lookin' thing !?!? Wow.

    And it looks more like a skinny person on top of a fat woman :p :p :P


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