0-term Fourier series representation of 500 Hz even squarewave
Even squarewave sound file
20-term Fourier series representation of 500 Hz even squarewave -- reconstructed using sine instead of cosine
Sine-reconstruction audio file
500 Hz pure sine wave (for aural comparison)
a difference between the files? If you can, either sign yourself up for the NSA domestic surveillance squad or stop eating cat chow.