fast and manic electronic orchestral sequence like alien communication or space morse code,several tones,M ...
High pitched tone modulating and descending in intensity
flying saucer sound made with an analog synthetizer modulated with an lfo
A digital high pitched space craft alarm sound.
Fluttering tone modulating randomly ,reverb coming and going
A robot or computer saying the word "seven."
Low pitched tone ascending in pitch
Various phrases from a spacecraft pilot ,Modulated
Quick mid pitch synth alarm ,Repeating quickly
Metallic high tones phasing in and out