单选

在网络中,将语音与计算机产生的数字、文字、图形与图像同时传输,必须先将语音信号数字化。利用(51)可以将语音信号数字化。

  • A.差分Manchester编码技术
  • B.QAM技术
  • C.Manchester编码技术
  • D.PCM编码技术
参考答案
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