1
Heavy Machine Whir with Air Conditioning Hum
2
Ventilation Noise, Buzz and Rattle
3
Large, Airy Ambience with Air Conditioning Hum
4
Small Room with Computer Hard Drive Noise
5
Ventilation Noise with Light Hum
6
Very Quiet Dead Air Room Tone Ambience
7
Large, Airy Room with Light Hum
8
Small Room with Very Light Movement
9
Airy Room Tone with Medium Traffic Wash
10
Office Room with Light Traffic Hum
11
Room with Light Traffic Wash
12
Room with Medium Traffic Wash
13
Ventilation Noise and Steady Hum
14
Heavy Air Conditioner Hum and Buzz
15
Switch on Air Conditioner Runs and Turns off with Air Fill Only
16
Airy Room with Light Traffic Wash and Ventilation Noise
17
Airy Room with Traffic Wash Through Open Window
18
Arena Corridor with Ventilation Noise and Low Rumble
19
Constant Machine Hum with Ventilation Noise
20
Heavy Machine Hum with Ventilation Noise
21
Supply Room Ambience with Air Conditioner Rattle and Ventilation Noise
22
Heavy Machine Hum with Rattling Air Conditioner Noise
23
Interior Freezer Ambience with Machine Hum
24
Large Arena with Air Conditioner Hum and Rattle and Some Distant Voices
25
Large Arena Corridor with Very Noisy Air Conditioner Rattle and Hum
27
Large, Reverberant, Airy Hall with Light Movement and City Hum
28
Large Very Quiet Room with Light Ventilation Noise
29
Large Airy Lobby Area with Very Light Movement and Reverberant Elevator Bell
30
Lobby in Office Building with Very Quiet Ventilation Noise
31
Hotel Lobby with Reverberant Activity, Light Walla and Occasional Phone Rings
32
Large Airy Airplane Hanger with Birds and Distant Hammering
33
Wet, Drippy Reverberant Space with Heavy Drips on Water and Various Surfaces
34
Very Airy, Drippy, Reverberant Interior with Water Splats Close and Distant
35
Bubbling, Hissy Stream in Reverberant Interior
36
Howling Wind from Interior Perspective with Eerie Low Hum
37
Reverberant Clangs of Cars Passing over Bridge from Interior of Structure
38
Ship Moans with Dull, Metal Wronks from Deep Hull
39
Tonal Hum with Ventilation Noise on Ship
40
Ship's Ventilation Noise with Low Hum
41
Low Tonal Hum and Air Conditioner Noise on Ship or in Basement
42
Heavy Fan Starts up with Buzz with Whir and Whine Down
43
False Fan Startup with Slow Wind Down
44
Industrial Silo Fan Runs Steady and Winds Down
45
Generator Starts up and Runs with Rattles, Spinning Gears and Small Air Release
46
Generator Starts up and Runs Smoothly
47
Heavy Machine Switches on, Runs with Rattles and Switches off in Reverberant Space
48
Switch on Machine, Run Rough with Rattles, Scrapes and Turn Off
49
Switch on Machine and Run with High Tone and Squeaks
50
Punching Press Running with Impacts and Low, Dull Knocks and Thumps
51
Metallic Punch Press Running with Impacts and Rattles
52
Slow Impacts of Punch Press Running with Air Release
53
Slow Thumps of Punch Press with Small Air Release and Metal Rattle Take 1
54
Slow Thumps of Punch Press with Small Air Release and Metal Rattle Take 2
55
Busy Punch Press Running with Air Hiss
56
Rock Crusher Running with Squeaks and Chugs and Slow Wind Down
57
Rock Crusher Running Very Fast with Squeaks and Chugs and Slow Wind Down
58
Rock Crusher Runs with Dirt and Debris Falling
59
Metallic Squeaky, Large Fan Slowly Winds Down with Scrapes
60
Tractor Running from Interior Perspective
61
Forklift Starts up with Chugs and Run Steady with Brake Groans from Interior
62
Metallic Squeaks of Engine Belt Running
63
Interior Garage Ambience with Heavy Door Rolling Open with Heavy Motor Squeaks and Screeches Take 1
64
Interior Garage Ambience with Heavy Door Rolling Open with Heavy Motor Squeaks and Screeches Take 2