According to the analysis of conversation speech, in this paper the authors introduce a method of extracting the useful speech on-off signal, the basic principle and the complex frame structures of implement voicl/data transmission in a single analog channel using the speech interpolation technique.
从单路模拟信道出发,在分析话音通话特点的基础上,介绍了实用话音通断信号的提取方法,话音插空技术及利用此技术实现话音/数据共信道传输的基本原理和复帧结构。