Sounds from Amplitude and Frequency

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Select amplitude and frequency functions and press the Play button to play the sound with that amplitude and frequency. The blue and gray curves indicate the amplitude of the sound; the purple curve is the function being played. The slider labeled length controls the duration of the sound and the speed at which amplitude and frequency change.

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The actual function being played is the composition of with an antiderivative of the frequency function, multiplied by the amplitude.

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Contributed by: Paul Christiano (The Harker School) (March 2011)
Open content licensed under CC BY-NC-SA


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