| 摘要 |
PROBLEM TO BE SOLVED: To provide an acoustic input/output expansion system. SOLUTION: This acoustic input/output expansion system is composed of a mobile equipment 100 having the first speakers 211 and 212, a receiver 213, and the first microphone 214, and an acoustic input/output expansion device 200 having a codec 220 which converts input blare into an acoustic signal, an output portion 230 which outputs the acoustic signal through the second speakers 231 and 232, the second microphone 215 which receives blare occurring in a surrounding area to be input, an input portion 210 which inputs blare output from the first speakers 211 and 212, a receiver sound, output from the receiver 213, a sound signal output from the first microphone 214, and blare output from the second microphone 215, a controller 240 which supports acoustic signal processing, and an interface portion 250 which is connected to the mobile equipment 100 and transmits processed acoustic signal to the mobile equipment 100. COPYRIGHT: (C)2007,JPO&INPIT
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