1:04
DJI Phantom 2 quadcopter - engine left, constant, MKH8040 recording.
1:13
DJI Phantom 2 quadcopter - engine idling, constant, MKH8040 recording.
1:13
DJI Phantom 2 quadcopter - engine idling, constant, coil mic recording.
1:17
DJI Phantom 2 quadcopter - engine running, constant, MKH8040 recording.
1:17
DJI Phantom 2 quadcopter - engine running, constant, coil mic recording.
1:01
DJI Phantom 2 quadcopter - engine in reverse, constant, MKH8040 recording.
1:01
DJI Phantom 2 quadcopter - engine in reverse, constant, coil mic recording.
0:16
Small drone hovering - high pitched whir, wandering. (2)
0:59
Small drone hovering - high pitched whir, wandering. (1)
2:31
City, residential area - traffic, helicopter flyover.
4:35
RC helicopter - long fly around, pass-bys, propeller whir.
0:11
Low frequency helicopter blade sweetener - sub pulse. (9)
0:09
Low frequency helicopter blade sweetener - sub pulse. (8)
0:08
Low frequency helicopter blade sweetener - sub pulse. (7)
0:16
Low frequency helicopter blade sweetener - sub pulse. (6)
0:23
Low frequency helicopter blade sweetener - sub pulse. (5)
0:03
Low frequency helicopter blade sweetener - sub pulse. (4)
0:10
Low frequency helicopter blade sweetener - sub pulse. (2)
0:13
Low frequency helicopter blade sweetener - sub pulse. (1)
0:45
Le Mans car race - large group pass-by, long, background helicopter.