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Just as light energy can be viewed both in terms of wavelike properties and in terms of particulate properties (photons), so can sound. Granular synthesis builds up acoustic events from thousands of sound grains. A sound grain lasts a brief moment (typically 1 to 100 ms), which approaches the minimum perceivable event time for duration, frequency, and amplitude discrimination. Furthermore, granular representations are a useful way of viewing complex sound phenomena--as constellations of elementary units of energy, with each unit bounded in time and frequency. |
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