Wireshark · Wireshark-users: Re: [Wireshark-users] FW: Delta and skew value in RTP analysis

[capricorn 80 <cool_capricorn80@xxxxxxxxxxx>]

Thanks Martin.

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Date: Mon, 10 May 2010 18:19:14 +1000
From: martinvisser99@xxxxxxxxx
To: wireshark-users@xxxxxxxxxxxxx
Subject: Re: [Wireshark-users] FW: Delta and skew value in RTP analysis

If you crunch the maths on the timestamps, I am sure you could have worked it out.

Delta is simply the difference between the current packet and the previous packet in the stream.

Skew is a measure of how late (or early) the current packet is for the total conversation (relative to the nominal packet rate). So if the packet rate should be 50 pps and say the 1000th packet of the conversation arrives 20.03 seconds after the 1st then the skew for that packet would be -30ms

Regards, Martin

MartinVisser99@xxxxxxxxx

On Sun, May 9, 2010 at 12:17 AM, capricorn 80 <cool_capricorn80@xxxxxxxxxxx> wrote:

 
 Hi!
 
  Can anyone explain about the Delta and Skew value in RTP stream analysis?
 
Regards,

 
 

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