Propeller in Tank Starts, Revs up, And Runs at Low Speed with Steady Whine

1Warning Beeps with Heavy Power Surge and Whoosh Take 1

2Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 1

3Large Wind Tunnel Powers up and Runs Steady Take 2

4Large Wind Tunnel Powers up and Runs Steady Take 5

5Large Wind Tunnel Powers up and Runs Steady Take 9

6Ventilator Hums and Runs with Oxygen Pumping Take 2

7Respirator Runs Slow with Deep Pumps of Air

8Blood Counter Machine Hums Heavily with Fast Beeps, Air Chuffs and Clicks

9Oxygen Bubbles with Air Hiss with Hum Take 2

10Body Scan with Heavy Synth Drone Take 3

11Glass Cutter Torch Switched on with Sparks, Sizzle and Hum

12Repeating Tonal Alarm

13Door Beep Tone Take 3

14Door Beep Tone Take 1

15Virus Gun with Electric Sparks, Heavy Synth Zaps and Impact

16Virus Machine Doors Close with Impact and Synth Scan Drone

17Door Airlock with Beep Tone, Hydraulic Lock Hiss and Heavy Metal Bolt

18Door Airlock with Beep Tone, Air Lock Hiss and Heavy Metal Bolt

19Body Scan with Low Synth Hum and Purr Take 3

20Body Scan with Heavy Synth Drone Take 2

21Lab Room Tone in a Quiet Room with Light Air Conditioning Noise

22Liquid Sloshing Inside Plastic Bottle

23Oxygen Bubbles with Air Hiss with Hum Take 1

24Test Tube Mixer Runs with Heavy Hum and Rattle

25Lab Ambience with Centrifuge Machine Hum

26Respirator Air Exhaust Release Take 1

27Sonogram Interior with Human Cavity Heart Pulses Take 7

28Sonogram Interior with Human Cavity Heart Pulses Take 6

29Sonogram Interior with Human Cavity Heart Pulses Take 3

30Sonogram Interior with Human Cavity Heart Pulses Take 2

31Sonogram Interior with Human Cavity Heart Pulses Take 1

32Mri Scan in Progress with Various Knocks, Low Beeps and Machine Drone in Background Take 3

33Mri Scan in Progress with Various Knocks, Low Beeps and Machine Drone in Background Take 2

34Mri Scan in Progress with Various Knocks, Low Beeps and Machine Drone in Background Take 1

35Geiger Counter Produces Various Rapid Clicks

36Chemical Dispenser Runs with Small Squeaks and Machine Run

37Ekg Machine Goes from Slow to Fast Beeps

38Respirator Pumping from Interior Pov with Reverb Take 2

39Heart Monitor Produces a Sequence of Single Beeps and Changes to Sustained Emergency Beep

40Respirator Runs Slowly, With Oxygen Pumping, Air Chuffs and Warning Beeps Take 1

41Ventilator Hums and Runs with Oxygen Pumping Take 4

42Oxymeter Alarm Clicks on and Beeps Take 2

43Oxymeter Alarm Clicks on and Beeps Take 1

44Oxygen Valve Button Pushed with Fast, Sharp Air Blast Take 3

45Oxygen Valve Button Pushed with Fast, Sharp Air Blast Take 1

46Laboratory Background Ambience with Air Chuffs, Tire Squeak and Machine Hum

47Large Wind Tunnel Powers up and Runs Steady Take 8

48Large Wind Tunnel Powers up and Runs Steady Take 7

49Large Wind Tunnel Powers up and Runs Steady Take 6

50Generator Motor Runs Steadily

51Heavy Engine Hum with up and Down Whines

52Hum and Whine from Smooth Running Motor

53Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 9

54Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 6

55Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 5

56Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 4

57Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 2

58Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 1

59Ionized Air Clicks from Laser Beam Take 5

60Ionized Air Clicks from Laser Beam Take 3

61Ionized Air Clicks from Laser Beam Take 1

62Fast, Heavy Air Pressure Release with High Whistle Take 3

63Fast, Heavy Air Pressure Release with High Whistle Take 2

64Heavy Air Pressure Hiss, And Whistle

65Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 6

66Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 5

67Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 2

68Water Flows in Tunnel with Waves Passing Take 2

69Heart Simulator Turns on, Runs Steady with in and out Breathing Take 13

70Heart Simulator Turns on, Runs Steady with in and out Breathing Take 12

71Heart Simulator Turns on, Runs Steady with in and out Breathing Take 11

72Heart Simulator Turns on, Runs Steady with in and out Breathing Take 10

73Heart Simulator Turns on, Runs Steady with in and out Breathing Take 8

74Heart Simulator Turns on, Runs Steady with in and out Breathing Take 5

75Heart Simulator Turns on, Runs Steady with in and out Breathing Take 4

76Heart Simulator Turns on, Runs Steady with in and out Breathing Take 2

77Heart Simulator Turns on, Runs Steady with in and out Breathing Take 1

78High Frequency Oscillating Tone from Propeller in Tank

79Propeller in Tank Starts, Revs up, And Runs at Low Speed with Steady Whine

80Propeller in Tank Runs Steady with Whine

81Propeller in Tank Starts, Revs up and Runs Steady with Whine Take 5

82Propeller in Tank Starts, Revs up and Runs Steady with Whine Take 4

83Propeller in Tank Starts, Revs up and Runs Steady with Whine Take 3

84Propeller in Tank Starts, Revs up and Runs Steady with Whine Take 2

85Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 6

86Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 5

87Door Beep Tone Take 2

88Body Scan with Low Synth Hum and Purr Take 2

89Door Airlock with Beep Tone, Hydraulic Lock Hiss, Heavy Metal Bolt and Synth Scan Drone

90Body Scan with Low Synth Hum and Purr Take 1

91Glass Cutter Scrapes on Glass with Bolt Unlock Reverb

92Glass Cutter Adheres to Glass and Cuts

93Urine Analyzer Runs, Clicks, Hums and Whines with Small Air Chuffs

94Spectrometer Machine Running, Whining and Humming

95Evacuation Motor Switched on and Running Steadily Take 2

96Body Scan with Heavy Synth Drone Take 1

97Respirator Air Exhaust Release Take 3

98Respirator Air Exhaust Release Take 4

99Neonatal Respirator Runs with Clicks and Air Chuffs

100Neonatal Heart Monitor Creates Fast Beeps with Some Airy Room Tone

101Blood Analyzer Machine Runs with Clicks, Air Chuffs and Whine

102Respirator Air Exhaust Release Take 2

103Sonogram Interior with Human Cavity Heart Pulses Take 8

104Chemical Analyzer Runs with a Series of Clicks, And Cycles

105Sonogram Interior with Human Cavity Heart Pulses Take 4

106Sonogram Interior with Human Cavity Heart Pulses Take 9

107Chemical Analyzer Machine Hum with Clicks and Air Chuffs

108Sonogram Interior with Human Cavity Heart Pulses Take 5

109Respirator Pumping from Interior Pov with Reverb Take 3

110Respirator Pumping from Interior Pov with Reverb Take 1

111Respirator Runs Slowly, With Oxygen Pumping, Air Chuffs and Warning Beeps Take 2

112Ventilator Hums and Runs with Oxygen Pumping Take 3

113Large Wind Tunnel Powers up and Runs Steady Take 10

114Oxygen Valve Button Pushed with Fast, Sharp Air Blast Take 2

115Large Wind Tunnel Powers up and Runs Steady Take 4

116Large Wind Tunnel Powers up and Runs Steady Take 3

117Ventilator Hums and Runs with Oxygen Pumping Take 1

118Evacuation Motor Switched on and Running Steadily Take 1

119Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 8

120Fast, Heavy Air Pressure Release with High Whistle Take 4

121Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 7

122Large Motor Runs with Clanks and Hum

123Large Wind Tunnel Powers up and Runs Steady Take 1

124Ionized Air Clicks from Laser Beam Take 4

125Ionized Air Clicks from Laser Beam Take 2

126Fast, Heavy Air Pressure Release with High Whistle Take 1

127Large Air Pressure Blast Release

128Air Valve Oxygen Chuff and Whistle Take 1

129Air Release with Servo Rev, Air Chuffs and Heavy Hiss Take 3

130Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 3

131Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 1

132Kryon Cooler Telescope Cooling Mechanism with Clicks and Air Release Take 4

133Shock Tunnel Engine Hums and Slows Down to a Stop

134Air Valve Oxygen Chuff and Whistle Take 2

135Water Flows in Tunnel with Waves Passing Take 1

136Heart Simulator Turns on, Runs Steady with in and out Breathing Take 7

137Heart Simulator Turns on, Runs Steady with in and out Breathing Take 9

138Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 3

139Heart Simulator Turns on, Runs Steady with in and out Breathing Take 3

140Propeller in Tank Starts, Revs up and Runs Steady with Whine Take 1

141Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 4

142Heart Simulator Turns on, Runs Steady with in and out Breathing Take 6

143Wave Tunnel Motor Runs Steady

144Heavy Power Surge and Whoosh with Rumble

145Warning Beeps with Heavy Power Surge and Whoosh Take 2

146Alarm Beeps Followed by Heavy Power Surge and Whoosh Take 2

1Geese and Ducks in Pond from a Medium Distant Perspective

2Subway Train Arrives with Long Brake Squeals and Rail Clicks and Stops Close to Mic

3Continuous Single Cicada Ratchet with Faint Bird in Background

4Victoria Train Station London in London with General Background and Activity

5Arena Crowd Wave Whoosh for Crowd Transition Take 2

6Country Night Ambience with Crickets and Insects Chirping and Buzzing and Frogs Calling

7Swarm of Flies Active at a Close Perspective

8Marsh Ambience with Large Bed of High-Pitched Insect Hum, Light Chorus of Frogs and Intermittent Exo

9Subway Platform Ambience with Distant Roar and Close Walla

10Large Subway Platform Wide Perspective with Train Arriving with Brake Groan and Air Hiss