CSD313L_ComplexSound_narration

Amplitude thus for a complex sound its math formula is

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Unformatted text preview: amplitude, – Thus for a complex sound, its math formula is: d = d 1 + d 2 + d3 + … + d n = A1*sin(2*π*f1*t + Φ1) + A2*sin(2*π*f2*t + *t *t Φ2) + A3*sin(2*π*f3*t + Φ3) + … + An*sin(2*π*fn*t + Φn) *t *t Complex Sound and Sine Wave (II) (II) Waveform – Amplitude as a function of time – Provides temporal information of a sound Spectrum: magnitude and phase spectrum – Magnitude as a function of frequency – Phase as a function of frequency – Provides spectral (frequency) information of a Provides sound sound Waveform and Spectrum Waveform Fourier analysis Waveform Spectrum Fourier synthesis Waveform and Spectrum Waveform Periodic Complex Sound Periodic Any sound that repeats itself over time Composed of a series of sinusoidal sounds Composed – Harmonics: H1, H2, H3 … Hn in whic...
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This note was uploaded on 02/01/2014 for the course CSD 313L taught by Professor Liu during the Summer '08 term at University of Texas.

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