Seemless loop with brainwave synchronization to around 5 Hz (theta wave) for relaxation. Like the EngineRoomSteady sound but created with much higher tones. Despite their discordance, the overall effect can be soothing if kept at a low level.
EngineRoomThetaRelaxer.wav
聲道：2
類型：wav
loop、brainwave-synchronization、vessel、ambient、background、abox、steady、relaxing、neuro-therapy、noise、engine、synthetic
環、腦波同步、容器、周圍、背景、一個盒子、穩定、放鬆、神經療法、噪聲、發動機、合成的
資料來源：freesound ( https://freesound.org )