2:38
Roomtone, ventilation room - noisy fans, pipes rattling. (2)
1:02
Engine room tone - low fan hum, sparse water drips.
1:26
Engine room tone - low, large hum, muffled water trickles.
0:58
Engine room tone - high alarm-like buzz.
1:28
Engine room tone - buzzing.
1:28
Roomtone, ventilation room - noisy fans, pipes rattling (1).
2:33
Roomtone, city apartment near street - outside road noise, distant door movement, ventilation fan.
1:24
Generator room ambience - loud buzzing, low washy hum.
1:05
Engine room tone - close ventilation fan, buzzing vibrations.
1:28
Engine room tone - large and washy hum.
1:28
Engine room tone - noisy humming, vibrations.
1:28
Elevator room tone - idle, noisy ventilation fan.
4:00
House room tone - some light movement, AC hum. (4)
4:00
House room tone - some light movement, AC hum. (3)
4:00
House room tone - some light movement, AC hum. (2)
4:00
House room tone - some light movement, AC hum. (1)
0:41
Big interior space room tone - loud HVAC hum.
1:37
House room tone - muffled traffic noise, AC hum.
2:00
Office room tone - stereo, ventilation.
2:48
Office room tone - mono, ventilation.