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CSD313L_ComplexSound_narration

3125 hz 375 hz 3 fn n f0 n125 hz n harmonic amplitude

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Unformatted text preview: 8 ms 16 ms Harmonic frequency – f1 = 1* f0 = 1*125 Hz = 125 Hz 1* – f2 = 2* f0 = 2*125 Hz = 250 Hz 2* – f3 = 3* f0 = 3*125 Hz = 375 Hz 3* – fn = n* f0 = n*125 Hz n* Harmonic amplitude – A1 = A1 – A2 = 0 – A3 = A1/3 – An = A1/n, if n is an odd number /n, Harmonic phase – Φ1 = π/2 – Φ2 = 0 – Φ3 = π/2 – Φn = π/2, if n is an odd number Square Wave (II) Square Sawtooth VS. Square Given the same period – They have the same harmonic frequencies – Major difference is at the even-number harmonic Sawtooth wave: An = A1/n; Φn = π/2 /n; Square wave:: An =0; Φn = 0 Triangle Wave (I) Triangle Fundamental frequency – f0 = 1/T = 1 / 8ms = 125 Hz Harmonic frequency – f1 = 1* f0 = 1*125 Hz = 125 Hz 1* – f2 = 2* f0 = 2*125 Hz = 250 Hz 2* – f3 = 3* f0 = 3*125 Hz = 375 Hz 3* – fn = n* f0 = n*125 Hz n* Harmonic amplitude – A1 = A1 – A2 = 0 – A3 = A1/3 = A1/9 2 f – An = A1/n , iif n is an odd number 2 Harmonic phase – Φ1 = π/2 – Φ2 = 0...
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