Sort of sounds like a robot low on batteries trying to beatbox. Sinewave sounds created with SFXR sound effect generator, mixed in Audacity. Seamless stereo loop, no attribution necessary for personal or commercial projects.<br/>機器人Beatbox<br/>聲道：2<br/>類型：ogg<br/>loop、filthy、grungy、synth、dirty、rusty、beat、bass、short、growl、crunch<br/>循環、污穢、蹩腳的、合成器、臟、生疏、擊敗、低音、短、吠聲、緊縮<br/>資料來源：freesound ( https://freesound.org )