Description: Pneumatic Vacuum Seal, quick air seal, slight descend in pitch.

Description: Pneumatic Vacuum Seal, quick air seal, slight ascend in pitch.

Description: Pneumatic Air release, rhythmic, static-like pulsing.

Description: Pneumatic Air Release, very quick fluctuating air release.

Description: Pneumatic Air Release, very quick release and stop.

Description: Pneumatic Air Release, very quick, fast stop.

Description: Pneumatic Air Release, quick, slight descend in pitch, complete air release.

Description: Pneumatic Air Release, quick, short stop, slight descend in pitch.

Description: Pneumatic Air Release, quick, short stop.

Description: Paranormal transmission, tonal harmonic modulation, subtle modulating static.