Digital clock recorded with a homemade contact microphone attached to an Olympus LS-14. Edited with Audacity, though the only editing has been clipping material at either ends, there has been no shortening or removing of sections between ticks to preserve the intervals. 數碼時鐘 聲道:1 類型:wav clock、ticking、digital-clock、tick、timepiece 時鐘、滴答、數碼時鐘、蜱、鐘 資料來源:freesound ( https://freesound.org )