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