| 摘要 |
Apparatus comprising at least one processor and at least one memory, the at least one processor being configured under control of computer code stored in the at least one memory to detect an event, to respond to the detection of the event by providing an audio data burst, to encode the audio data burst, to priority flag the resulting encoded audio data so as to indicate to a receiver a priority of the audio data burst, and to transmit the resulting flagged encoded audio data as part of a radio signal, wherein the apparatus is portable.
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