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在voice over IP(VoIP)中,抖动缓冲器是一个共享的数据区域,在这个数据区域中,每隔一段均匀的间隔,语音包会被收集, 并发到语音处理器。包到达时间的变化,称作抖动,将会由于 拥 塞,定时漂移或路由变更而产生。抖动缓冲器放于语音连接的接收端,它有意地延迟到达的包,如此一来,终端用户就会感受到一个清晰的,没有什么声音失真的连 接。抖动缓冲器有两种,静态的和动态的。静态抖动缓冲器是基于硬件的,它是由厂家来配置的。而动态抖动缓冲器是基于软件的,它由网管配置以适应网络延迟的 改变。
In voice over IP ( ), a jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the voice processor in evenly spaced intervals. Variations in packet arrival time, called , can occur because of network congestion, timing drift, or route changes. The jitter buffer, which is located at the receiving end of the voice connection, intentionally delays the arriving s so that the end user experiences a clear connection with very little sound distortion. There are two kinds of jitter buffers, static and dynamic. A static jitter buffer is hardware-based and is configured by the manufacturer. A dynamic jitter buffer is software-based and can be configured by the network administrator to adapt to changes in the network's delay.
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