Sci-fi sound effects

Low spatial rumble (rumble)

3556 896

Low spatial hum (2)

4048 1303

Low spatial hum

3290 651

Stopping the spacecraft (landing)

2880 596

Transfer (2)

2826 574

Transfer

4793 967

Pneumatic doors

3311 650

Portal, star or space gate (2)

3788 699

Portal, star or space gate

4358 945

Ghostly atmosphere of labyrinth

3826 771

Object passing by

4471 1181

Spatial hum, cosmic hum

4874 1535

Spatial ceramic hum

4922 1621

Working press

3877 1222

Martian conversation (alien speech)

4689 1333

Robot, mini bot (2)

2875 562