1:37
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DJI Phantom 2 quadcopter - engine long left turn, slow-fast-slow, coil mic recording.
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1:16
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DJI Phantom 2 quadcopter - engine left turn, constant, MKH8040 recording.
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1:16
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DJI Phantom 2 quadcopter - engine left turn, constant, coil mic recording.
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1:04
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DJI Phantom 2 quadcopter - engine left, constant, MKH8040 recording.
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1:13
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DJI Phantom 2 quadcopter - engine idling, constant, MKH8040 recording.
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1:13
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DJI Phantom 2 quadcopter - engine idling, constant, coil mic recording.
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1:17
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DJI Phantom 2 quadcopter - engine running, constant, MKH8040 recording.
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1:17
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DJI Phantom 2 quadcopter - engine running, constant, coil mic recording.
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1:01
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DJI Phantom 2 quadcopter - engine in reverse, constant, MKH8040 recording.
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1:01
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DJI Phantom 2 quadcopter - engine in reverse, constant, coil mic recording.
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0:16
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Small drone hovering - high pitched whir, wandering. (2)
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0:59
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Small drone hovering - high pitched whir, wandering. (1)
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2:31
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City, residential area - traffic, helicopter flyover.
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4:35
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RC helicopter - long fly around, pass-bys, propeller whir.
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0:11
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Low frequency helicopter blade sweetener - sub pulse. (9)
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0:09
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Low frequency helicopter blade sweetener - sub pulse. (8)
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0:08
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Low frequency helicopter blade sweetener - sub pulse. (7)
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0:16
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Low frequency helicopter blade sweetener - sub pulse. (6)
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0:23
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Low frequency helicopter blade sweetener - sub pulse. (5)
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0:03
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Low frequency helicopter blade sweetener - sub pulse. (4)
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