Packet voice technology converts voice signal to digitized voice packet in certain length, then switches and transmits these packets by means of store and forward.

分组语音技术是指将语音信号转化为一定长度的数字化语音包，采用存储转发的方法以包的形式进行交换和传输的技术。

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A broadband distributed network design is proposed. This network can provide data, real-time digitized voice and analog video communications on a single CATV cable.

本文提出了一种宽带分布式网络设计，该网络能在CATV电缆上同时进行数据、实时数字话音及模拟电视通信。

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Besides bandwidth and latency, what other parameter is needed to give a good characterization of the quality of service offered by a network used for digitized voice traffic?

数字化的语音所经过的网络，除了对带宽和延迟有要求之外，还有什么参数影响它的服务质量？

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