RTCP Interarrival jitter
RFC
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interarrival jitter: 32 bits
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谷歌翻译: RTP数据包到达时间的统计方差的估计值,以时间戳为单位进行度量,并表示为无符号整数。到达间隔抖动J被定义为对于一对分组,接收器处的分组间隔与发送者处的分组间隔之差D的平均偏差(平滑的绝对值)。如下式所示,这等于两个数据包的“相对传输时间”之差;相对传输时间是数据包到达目的地时的RTP时间戳和接收者时钟之间的差,以相同单位度量。
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An estimate of the statistical variance of the RTP data packet interarrival time, measured in timestamp units and expressed as an unsigned integer.
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The interarrival jitter J is defined to be the mean deviation (smoothed absolute value) of the difference D in packet spacing at the receiver compared to the sender f