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介绍了一种采用MC33120和声码器实现的数字话音回波抵消器软件的硬件调试环境。着重介绍了调试环境中,外部硬件电路的回波信号量的设定方法。
A hardware debugging environment of digital voice echo canceller software using MC33120 and vocoder is introduced. The setting method of echo signal of external hardware circuit in debug environment is emphatically introduced.