An oscillating frequency taken from radio airwaves and manipulated with filters and effects in a variety of ways. Just a little experiment. 4 layers of sound in stereo. Feel free to have a listen.
ring_oscillation.wav
聲道：2
類型：wav
sci-fi、transport、drone、alien、fiction、science、space、oscillation、ringing、atmosphere、whirl
科幻、運輸、無人駕駛飛機、外僑、小說、科學、空間、振盪、鈴聲、大氣層、旋轉
資料來源：freesound ( https://freesound.org )