Recording of a metallic door with slightly squeaky hinges from the building where I used to live. Also sound of footsteps in the building staircase and stepping on the metal grid mat by the door. Recorded with an iPhone. Converted to wav using Audacity.<br/>Porta.wav<br/>聲道：1<br/>類型：wav<br/>footsteps、metallic、reverb、gate、reverberation、steps、metal-door、echo、squeaking、hinges、staircase、entrance、building<br/>步伐、金屬的、混響、門、混響、腳步、由金屬、迴聲、吱吱、鉸鏈、樓梯、入口、建造<br/>資料來源：freesound ( https://freesound.org )