1:12
Underground parking garage - ventilation noise rumble.
2:00
Underground parking garage - noisy rumble from ventilation with tonal bass hum - Usi microphone, stereo.
4:05
Underground parking garage - close central heating boiler with metal ventilation rattle - industrial tone ...
5:20
Underground parking garage - close boiler from central heating in cycles - 5.0 LCR LS RS surround recording.
3:23
Underground parking garage in the basement - close central heating boiler - 5.0 LCR LS RS surround recording.
1:18
Fan in a cafe running with a hum
0:59
Air through a vent in a bathroom
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.