The beep and motor growl of a proximity card door lock timing out after accepting the card being held in front of it. Brighton, May 2016. Recorded with a Zoom H4n close-up, some noise reduction using iZotope RX5.
Type
Wave (.wav)
Duration
0:00.806
File size
227.0 KB
Sample rate
48000.0 Hz
Bit depth
24 bit
Channels
Stereo
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