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Damped Sine

Wave
Spectrum

    

This is a sine wave whose amplitude decays exponentially.

sinDamped(frequency, timeConstant) requires two arguments: the frequency of the wave, and the time constant, which determines the speed of the decay. If this is 1, it means the wave will shrink to 1/e (~ 37%) of its amplitude in 1 second.

What happens to the sound as you make the time constant smaller?