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.<br/>數碼時鐘<br/>聲道：1<br/>類型：wav<br/>clock、ticking、digital-clock、tick、timepiece<br/>時鐘、滴答、數碼時鐘、蜱、鐘<br/>資料來源：freesound ( https://freesound.org )