| 摘要 |
Acoustic input and output devices are made to operate properly according to communication processing. A portable communication terminal includes an acoustic input-output unit including a plurality of acoustic input elements to conduct acoustic inputting and acoustic output elements to conduct acoustic outputting, a communication . processing unit which selectively executes mutually different communication processes using at least one of the elements included in the acoustic input-output unit, and an acoustic processing unit which determines an order of operation of the acoustic input-output unit to be conducted by the elements according to a communication process executed by the communication processing unit and gives the determined operation order to the acoustic input-output unit.
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