Video Frames in NM, I I I I... or I P P P ?
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Video Frames in NM, I I I I... or I P P P ?

 
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xoyo
Guest
Posted: Mon Jul 11, 2005 4:21 pm    Post subject: Video Frames in NM, I I I I... or I P P P ? Reply with quote
Hi,

I'm trying to do a comparison experiment. I need to know how the video
frames in NetMeeting are encoded. Are they encoded as all I I I I...
frames or I P P P... frames?

Thank you very much!

Xiaojun
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Brian Sullivan
Guest
Posted: Mon Jul 11, 2005 4:21 pm    Post subject: Re: Video Frames in NM, I I I I... or I P P P ? Reply with quote
On 11 Jul 2005 08:05:28 -0700, xoyo wrote:

Quote:
Hi,

I'm trying to do a comparison experiment. I need to know how the video
frames in NetMeeting are encoded. Are they encoded as all I I I I...
frames or I P P P... frames?



I am not totally sure what you are asking. What are you trying to compare?

I don't know much about the guts of H.323 or various codecs but NetMeeting
uses H.323 and standard codecs appropriate to speed of transmission:

http://www.microsoft.com/windows/NetMeeting/Corp/reskit/Chapter11/default.asp
http://ai3.asti.dost.gov.ph/h.323/video.htm


Doesn't the I/P frame designation relate more to MPEG style frames?
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