A 数字信号处理 operation initially designed to stretch 声音文件 in their 时值 ideally without affecting their 音高 or 音高 This is the same procedure that allows 音高 transpositions without changes in the soundfile's 时值 音高移位 When applied exaggeratedly to 复（杂） events 时间缩放 abandons its 起始 goal of changing 时值 to that of 创作 less predictable events recalling 皮埃尔 Schaeffer's 经验 in 'Les Seuils Temporels de l'Oreille' This relates to what I call 'non-linear response' of 电子声学 设备 源 - Rodolfo Caesar 1992 The 作曲 of 电子声学 音乐 PhD Thesis University of East Anglia