Simple room tone recorded with my cheap android phone in an empty room, with the AC and a desktop computer running in the background.<br/>Room Tone - 空曠的房間，有AC和台式電腦運行<br/>聲道：2<br/>類型：wav<br/>room、empty、roomtone、room-tone、ambience、ambient、background、background-sound、computer、desktop、hum、roomtones、general-noise、AC、room-noise<br/>房間、空、roomtone、房間色調、環境、周圍、背景、背景音、電腦、桌面、哼、roomtones、一般噪音、調幅、室內噪聲<br/>資料來源：freesound ( https://freesound.org )