Hi,
Yes :-) 
I think that if Wireshark does not know the payloads MimeType it will
default to a sampling rate of 8000 for Audio.
The calculation may also be trown off by telephone/events and silence
frames.
With WS 1.2.0 I think you can export the values to a CSV file and do
your own Jitter calculation. 
Regards
Anders
 

________________________________

From: wireshark-dev-boun...@wireshark.org
[mailto:wireshark-dev-boun...@wireshark.org] On Behalf Of Mohammed Eissa
Sent: den 14 juli 2009 10:39
To: wireshark-dev@wireshark.org
Subject: [Wireshark-dev] Speex/16000 support


Hi;

I have captured some speex - sampling rate 16000 - When I run RTP
analysis the value of Jitter is so weired. I have read that the
calculation of Jitter is based on codec sampling rate, does speex or
sampling rate 16000 affect this I mean the calculation of Jitter?

Thanx


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