在传输网络中，音频适配器采用双音多频芯片MT8880实现数据格式的转换功能，对讲机则完成对转换后的音频信号收发功能；
In the transmission network, the audio adapter adopts MT8880 to transform the data format and the wireless interphone is to transmit and receive the audio signal.
在传输网络中，音频适配器采用双音多频芯片MT8880实现数据格式的转换功能，对讲机则完成对转换后的音频信号收发功能；
In the transmission network, the audio adapter adopts MT8880 to transform the data format and the wireless interphone is to transmit and receive the audio signal.
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