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acoustic signal | |||
tone; klaxon; sound signal; warning device; warning horn | |||
audio prompt (An audio cue to the user to begin recording audio data) | |||
audio warning system; warning bell | |||
aural signal |
geluidssignaal: 14 phrases in 5 subjects |
Communications | 6 |
Earth sciences | 1 |
Electronics | 4 |
Information technology | 1 |
Transport | 2 |