Door recordings — sources and reuse

Open metallic door: https://commons.wikimedia.org/wiki/File:Open_metallic_door.ogg
Creator: hc. Commons describes opening a metallic door and states that the author released the work into the public domain.
metal-door-open.ogg: Commons OGG, 5.616327 seconds, 44.1 kHz mono.
SHA-256: 50682399dd91af0aebeff0cd92c252d81e734864ea4cec35cd7811b254a12d63
metal-door-open.wav: 16-bit PCM conversion, 44.1 kHz mono.
SHA-256: 63a6b2562f7eb5f72b926020b3bf29eef1f8635c7d1008ab28463b614d0bea24

Elevator door closing: https://commons.wikimedia.org/wiki/File:Elevator_door_closing.ogg
Creator: stephan. Commons describes a small glass elevator door closing and states that the author released the work into the public domain.
elevator-door-close.ogg: Commons OGG, 8.124082 seconds, 44.1 kHz stereo.
SHA-256: 86a90db2a8e83b8c86c8c549148e5c564f533bbfe8435155b7f220f7b1106a22
elevator-door-close.wav: 16-bit PCM conversion, 44.1 kHz stereo.
SHA-256: d15fd75487c64f75ccf0310ea35764ec12a2d44aa27b3495daee31811a9a5e33

Commons describes earlier MP3 sources for both files. WAV conversions were made with FFmpeg and cannot recover information lost in earlier compression. Consult the source pages for the full public-domain statements. These statements apply to these recordings, not unrelated site content.