[AG-TECH] Audio and Video Syncronization

Robert Olson olson at mcs.anl.gov
Thu Jun 28 16:20:51 CDT 2001

I was watching a session today closely, and am seeing very tight synch 
between audio and video. This is with audio on a Linux box with an 
ES1370-based PCI128 card, and video on an Athlon win2k box..

I suspect again your problem is some combination of some network loss, 
causing rat to increase its buffering, and the use of the SB Live, which 
induces higher latency anyway due to a large fragement size.

We should do some testing online sometime, and see if others are also 
seeing the badness.


At 06:01 AM 6/27/2001 -0400, Will, Rodger (R.) wrote:
>I am very new to this technology, but I assumed that with vic and rat 
>being independent programs, that sync would be a challenge.
>One of our nodes employs an automatic camera/microphone system that 
>switches vic's input to the active speaker's camera and microphone. I 
>would assume that this effect would be akin to high-motion.
>I will watch the stats today, and pass along the information.
>I agree that someone urgently needs to solve this problem in software.

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