Definitions used in Recommendations on general characteristics of international telephone connections and circuits
发布日期
1993-03-01
标准状态
被代替;
摘要
The definitions given below have been found to be useful in the study of telephone connections and telephone circuits.
The detailed definitions appearing in Recommendation G.102 are referred to, but not reproduced.
The definitions of specialized terms which are not mentioned here can be found in
- Recommendation G.106, for availability and reliability;
- Recommendation G.117 as concerns unbalance about earth;
- Annex A/G.111 as concerns speech transmission performance;
- Recommendations of the G.16x sub-series for echo suppressors, echo cancellers, compandors, etc.
The Annex A gives an overview of some dB-related parameters as used in speech-band applications.
如下定义在研究电话连接和电话电路中有用。 出现在建议G.102 中的详细定义被参考,不是被重述。 在这里没有提到的特殊术语的定义可以在下面找到:
-建议G.106, 可用性和可靠性;
-建议G.117 有关对地的不平衡性
-附件Annex A/G.111 有关语言传输性能;
-建议G.16x 子系列有关回声抑制器, 回声抵消器,压扩器等。
附件A给出在语音频带应用中的dB相关参数的概述。