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What's Up with Noises? The Science of Sound, Frequency, and Pitch [Video]

Why does one string on on an instrument sound different than another? How do we hear a melody over the acoustic din of day-to-day living? Watch this informative video to find out.

Vi Hart, a prolific science video maker, shares an entertaining video about the science of sound, frequency, and pitch; complete with stop-motion animation and an in-depth look at how sound is generated and perceived by the human ear.

What Is Up with Noises? [via Laughing Squid]

Jason Fitzpatrick is warranty-voiding DIYer and all around geek. When he's not documenting mods and hacks he's doing his best to make sure a generation of college students graduate knowing they should put their pants on one leg at a time and go on to greatness, just like Bruce Dickinson. You can follow him on if you'd like.

  • Published 08/26/11

Comments (6)

  1. Crisha

    “Geek” ! It Was a Great!

  2. Lars

    Wow, Hangover xD
    hard to follow xD

  3. Spence

    Excellent… fast was good cuz it would have put me to sleep if it were slower… it’s the kind of video that, if one wants to learn the details presented, then one has to review it several times, a section at a time, but it really seems to be a great, detailed overview given in minimum time. The gist of it came through very well.

  4. Audiologist

    eek–it’s “basilar membrane” not “vasilar membrane”

  5. owen

    ECXELLENT!
    Brings back fond memories of my days as a music composition major,
    Love the physics!

    BTW Paul Hindemith built a whole sysyem of music composition based
    upon relative consonance and dissonance in accord with the relative
    complexity of the rational numbers (ratios) of two frequencies.

  6. John Renton

    Gabble Gabble Gabble – sheesh ! When are these audio instructors going to learn to speak properly without gabbling or rushing through their presentation like there was no tomorrow ? Half as much information and twice as much articulation, elocution and enunciation would impart ideas and facts much more effectively.

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