0:06
Please enable Javscript
Oxygen tank. Air release. Thick.
0:10
Please enable Javscript
Oxygen tank releases air. Long hiss.
0:01
Please enable Javscript
Oxygen tank release air short
0:07
Please enable Javscript
Oxygen tank system beeps with air release
0:02
Please enable Javscript
Releasing air from an oxygen tank
0:38
Please enable Javscript
The constant hiss of a breathing machine with a person breathing through a mask in the background.
0:14
Please enable Javscript
Ambulance interior, an oxygen pump being squeezed
0:11
Please enable Javscript
Constant hiss of an oxygen machine or respirator.
0:10
Please enable Javscript
Pilot breathing through an oxygen mask
0:19
Please enable Javscript
Breathing from a male.