A set of two ascending, high-pitched, synthesized tones.
Quick series of high pitch computer beeps
sequence of fast, high-pitched, ascending, synthesized tones
Very quick high pitched synthesized tone
Series of high pitched digital tones modulating quickly
A very high-pitched, distorted, synthesized tone.
Ascending high pitched synthesized tones x2
A computer or robot voice saying "execute."
Repeated high pitch bleeps and bloops over crunchy squealing drone
Computer voice from a Boeing 757 cockpit saying 'application software version two zero two'