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Time-lapse phonography : ウィキペディア英語版 | Time-lapse phonography Time-lapse phonography is the name for an audio signal processing technique developed by R. Luke DuBois for his pieces (Messiah ) and (Billboard ). The core algorithm consists of a highly modified phase vocoder that allows for the creation of a fixed or moving spectral average of an input sound represented in the frequency domain. In this sense, the technique is completely analogous to long-exposure time-lapse photography, insofar as the specific temporal details of the input will become smeared into a single gestalt impression of time. == External links ==
* (Billboard ) * (Interview on the technique from WNYC-FM in New York City ) * (Article on Boing Boing )
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