3Servo Motor Turns on and Runs at Fluctuating Speeds with Whining Motor
5Oscillating High Frequency Multi-Pitched Tones Rise and Fall
47Elevator Servo Motor Switches on and off with Various Motor Speeds
48Elevator Servo Motor with Various Electronic Switching and Motor Whirs
54Synthesized Jungle Background Ambience with High Frequency Bird Beeps and Low Frequency Robot Frogs
57Electrical Sparking with Constant and Slight Rhythmic Pulsing.
68Multiple, High-Pitched and Fluctuating Synth Alien Screams
86Low Frequency Synth Hum with Force Field or Electric Energy Radiation Sound
90Oscillating Square Radio Wave Pattern with White Noise Background
91Eerie Synth Tone Rising and Falling in Pitch and Intensity
94Eerie Low-Pitched Synth Tone Fluctuating in Tone and Frequency
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
6Country Night Ambience with Crickets and Insects Chirping and Buzzing and Frogs Calling
8Marsh Ambience with Large Bed of High-Pitched Insect Hum, Light Chorus of Frogs and Intermittent Exo
10Large Subway Platform Wide Perspective with Train Arriving with Brake Groan and Air Hiss