Decadence
Fourier formulate any type of periodic function might seem complex could always be represented as a sum of harmonic functions. Of harmonic functions are of many types but the most popular is the Sinus. Sinusoidal functions [ f(t)=A*sin(wt) or f(t)=A*cos(wt) ] ; are the trigonometric function with a parameter that is the amplitude is maximum and minimum value of this, a second parameter w ( omega ) named frequency, and a variable t ( time usually but not necessarily also be a distance). Then this periodic function can be represented by combining different harmonic functions which are chosen appropriately amplitudes and frequencies. These harmonic functions can describe many things, but the most popular description where it commonly is often associated in music and sound. The voice for example we represent it with a histogram of pressure variations at one point depending on the time, these histograms are terribly complex, just like musical instruments, but when we play an instrument ...