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Unformatted text preview: human listener Over the course of human evolution Over the course of individual development Man-made source of periodic sound energy o Vibrating strings (guitar, violin, piano) o Vibrating air columns (flute, trumpet) o Vibrating metal/wood(marimba, xylophone, bell) o Vibrating membranes (drums) o The sounds of music extend across a frequency range from 25 to 4200 hz Structure of musical sound o Pitch: 2 dimensions Pitch height (one end of the piano to the other) Pitch chroma (circular, repeats at octave intervals) Helix illustrating the two characteristics of musical pitch tone height and tone chroma o Octave divided into intervals Intervals vary with consonance o...
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- Fall '10