Slow high pitch passing spacecraft
Quick and high pitch passing spacecraft left to right
Smooth deep low pitch tone modulating
"Power Failure Imminent" as if pronounced by a robot with static cutting in and out.
A short high pitched cybernetic discussion between two computers.
Succession of two fast low pitched beeps
A sequence of fast, various-pitched, panning, synthesized tones.
Very quick high pitch synthesized tone
Single high pitched synthesized tone, Corse