Tuesday, 9 February 2016

acoustics - Fourier Series Analysis



Can anybody explain this paragraph from the chapter " Fourier series and transform " of the book by M l Boas?



"If you strike a piano key you do not get a sound wave of just one frequency . Instead you get a fundamental accompanied by a number of overtones (harmonic) of frequencies 2, 3, 4, ... times the frequency of fundamental".






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