Electronic/World Wide Web>Blog:  Bhatia, Aatish (NOV 06, 2013), The Math Trick Behind MP3s, JPEGs, and Homer Simpson’s Face, Nautilus Blog, Retrieved on 2013-11-07
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  • Folksonomies: mathematics science writing

    Memes

    07 NOV 2013

     Fourier Transformations

    So what was Fourier’s discovery, and why is it useful? Imagine playing a note on a piano. When you press the piano key, a hammer strikes a string that vibrates to and fro at a certain fixed rate (440 times a second for the A note). As the string vibrates, the air molecules around it bounce to and fro, creating a wave of jiggling air molecules that we call sound. If you could watch the air carry out this periodic dance, you’d discover a smooth, undulating, endlessly repeating curve that’...
    Folksonomies: mathematics
    Folksonomies: mathematics
      1  notes

    It's like prism that breaks apart the components of a sound wave or image into it's smaller parts.