Perceptual organization in hearing

Perceptual organization in hearing - human listener Over...

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Perceptual organization in hearing o Sound id o Auditory scene analysis Sequential integration Simultaneous integration Principles of aud. Scence analy. Spatial separation Grouping by similarity Grouping by timbral similarity Perceptual org. of sound entail Analyzing the complex sound wave into its frequency components Determine which frequence components derive from a common o Perceptual restoration of missing sound o We use the onsets of sounds to id them (their attack and decay) Test 2 Music perception Naturally occurring sources of periodic sound energy o Driven oscillators couple to resonant bodies (systems that can initiate and sustain vibration) Animal calls The human voice is the principal source of periodic sound energy to a
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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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