Calvin Hsia's WebLog

thoughts from a professional developer

October, 2011

  • Calvin Hsia's WebLog

    More fun with the Fast Fourier Transform

    The sounds that we hear can be recorded via a microphone and can be graphed as a signal of amplitude versus time. Low notes show as a lower frequency wave, and high notes show as higher frequency waves. Over the past few decades, some music players, like...
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