0:19
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Lightbulb hum - constant thin and high buzz.
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1:28
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Leafblower - blowing, motor whir, air hiss, long. (3)
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1:00
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Leafblower - blowing, motor whir, air hiss, long. (2)
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0:28
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Leafblower - blowing, motor whir, air hiss, long. (1)
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1:32
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Italian train interior - rumble of tracks, air vents, sparse muffled walla.
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3:00
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Rome, train platform - air vent hum, distant walla, conductor whistle, train hiss, announcement.
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2:30
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Laos, village night - quiet, insect chorus, distant walla.
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1:59
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Laos, forest night - insect chorus, light wind.
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6:24
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Philippino Jeepney - exhaust pipe, driving, acceleration, long. (2)
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2:28
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Philippino Jeepney - exhaust pipe, driving, acceleration, long. (1)
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2:38
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Philippines, forest - quiet evening, geckos, insect chorus.
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0:30
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Large metal mechanism squeaking - low machinery hum, loud squeaks.
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0:24
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Engine idling sweetener - metal crank, creaking, hum.
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0:51
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Engine idling sweetener - ventilation.
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0:34
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Engine idling sweetener - low ventilation hum, water trickles.
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0:09
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Large machinery movement - loud clanking, squeaks, hum, mid distant.
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0:15
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Electromagnetic hum sample - warm crackling low-frequency hum.
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0:09
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Electromagnetic hum sample - warm, crackling low-level hum, gradual crescendo.
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0:02
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Electromagnetic hum sample - light impact and fuzzy low tone.
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0:23
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High frequency feedback sample - cricket-like twittering
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