Original sound was a piano chord manipulated in the iPad Samplr app. Sounds a bit robotish, droney, could be used as an alarm? Go wild!<br/>無人機合成循環<br/>聲道：2<br/>類型：wav<br/>rhythmic-drone、loop、electronic、ambient、drone、synth、alarm、robotic<br/>有節奏的，無人駕駛飛機、循環、電子、周圍、無人駕駛飛機、合成器、報警、機器人<br/>資料來源：freesound ( https://freesound.org )