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.
介绍一种高保真的音频信号处理系统，给出了前端音频信号调理电路设计，实现了DSP芯片TMS320VC5410与语音转换芯片TLC320AD50C的硬件接口设计，并通过FIR算法实现了对音频信号的处理。
The design gives the signal conditioning circuit, accomplishes the hardware interface design of DSP chip TMS320VC5410 and chip -to-speech TLC320AD50C, and processes audio signal by FIR arithmetic.
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