0:54
Old household air conditioner timer ticking.
0:56
Room tone, ventilation hum 3.
0:56
Room tone, ventilation hum 2.
1:02
Room tone, ventilation hum 1.
0:21
Warehouse exhaust fan run steady, whirring hum, CU.
0:18
Warehouse exhaust fan run steady, whirring hum, medium CU.
0:24
Warehouse exhaust fan run steady, whirring hum, distant.
0:54
Huge vent fan, metallic rattle and whine.
1:03
Bathroom fan in house, old and wobbly, turn on and slowly speed up, room perspective.
0:29
Bathroom fan at The Lab, air movement, steady, room perspective.
0:21
Bathroom fan in house, old and rattling, steady on, room perspective.
0:21
Bathroom fan in house, old and rattling, steady on, close perspective.
0:19
Bathroom fan in house, old and rattling, on and off cycle, room perspective.
0:18
Bathroom fan in house, old and rattling, on and off cycle, close perspective.
0:31
Bathroom fan at The Lab, air movement, close perspective.
0:50
Bathroom fan at The Lab, air movement, hand dryer cycle, room perspective.
2:30
Underground car park empty with air vents near lifts.
2:30
Underground car park with air vents, cars driving and distant children.
2:30
Underground car park with air vents, birds, people passing and cars driving.
2:30
Car park ambience underground, empty, with air vents and light buzz.