内在化 designates the 品质 of 声音 that do 不 refer to 外部 causes/sources It is close to what one hears during what 皮埃尔 舍费尔 called 'écoute réduite' 化约 聆听 When attention is drawn away from a sound's exteriority or reference the 'reduced' 经验 can be at least as full and complicated in its own way 包括 the 感知 of mass 粒子 etc - 品质 of the 'interior' of 声音 源 - Rodolfo Caesar 1992 The 作曲 of 电子声学 音乐 PhD Thesis University of East Anglia