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| acoustic signal; sound signal | |||
| bell (signal) | |||
| audio prompt (An audio cue to the user to begin recording audio data) | |||
| audible alarm | |||
| audio signal; aural signal | |||
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Tonsignal : 14 do fraz, 4 tematyki |
| Elektronika | 3 |
| Komunikacja | 8 |
| Technologia informacyjna | 2 |
| Telekomunikacja | 1 |