在现有可能实现电话频带压缩的方法中,此较有效的方法之一是“分析与综合电话系统”或简称综合电话。迄今已出现七、八种以上这一类型的系统,但尚缺乏对其质量指标的共同准则。本文就达一问题进行讨论。 综合电话是由下述原理构成的。 One of the more effective ways in which existing methods of compressing the telephone band are possible are the “Analysis and Integrated Telephone System” or simply the integrated telephone. To date, there have been more than seven or eight systems of this type, but common guidelines on their quality indicators are lacking. This article discusses a problem. Integrated telephone is constituted by the following principles.