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实现了语音信号的录放。通过PC上DSP的EVM板设计了一个电话自动应答系统。此系统可以在有电话接入后自动摘机,对语音信号进行分析,选择对应的回答信息,并通过电话将语音信号发回并挂机。
Realize the voice signal recording and playback. A telephone answering system is designed by using the DSP EVM board on the PC. The system can automatically pick up the phone after the phone access, the voice signal analysis, select the corresponding answer information, and by telephone voice signal back and hang up.