| 摘要 |
A method and device for maintaining environmental audio awareness in a simplex communications system includes the steps of determining if a minimum functionality necessary ( 10, 11, 12, 22, 30 ) for environmental sampling in a simplex communications unit ( 1 ) is already on ( 500 ) and, if the functionality is on, then beginning to sample audio of the environment ( 700 ) with the functionality for a sampling time period ( 800, 900 ), and, if the functionality is off, then turning on ( 600 ) only the functionality and beginning to sample environmental audio ( 700 ) with the functionality for the sampling time period ( 800, 900 ), and determining, throughout the sampling time period, if an interruption occurs ( 715 ) during the sampling time period and, if not, completing the audio sampling ( 800 ), turning off ( 1000 ) the functionality if communication is not being performed with the unit, and calculating environmental parameters ( 1100 ) for adapting communications with the unit, and, if so, turning off ( 745 ) the functionality when communication is not being performed with the unit.
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