A simple 15 seconds long voice is copied and then added (pasted) ever each 5 seconds until 12 channels are filled and mixtured. From the middle the whole process is reverted i.e. a subtraction each 5 seconds. nimeninimmeninimeninimeni.wav 聲道:2 類型:wav subtraction、mixing、addition 減法、混合、加成 資料來源:freesound ( https://freesound.org )