[AG-TECH] Audio and Video Syncronization

Bob Huebert huebert at arsc.edu
Tue Jun 26 19:37:21 CDT 2001

At 7:58 PM -0400 6/26/01, Will, Rodger (R wrote:
>What can cause Audio and Video Syncronization problems between 
>nodes?  Our nodes always seem to drift some over time.
>Does NTP need to be configured on all boxes to prevent this?

Yes. NTP on your audio and video machines should be pointing to 
ntp-1.accessgrid.org. Running the install script on the linux boxes 
should have set this up for you. Ours looks like this:

--begin /etc/ntp.conf
server	ntp-1.accessgrid.org

driftfile	/etc/ntp.drift

Bob Huebert                                 email: huebert at arsc.edu
HPC Visualization Systems Analyst           voice: (907) 474-5751
Arctic Region Supercomputing Center           FAX: (907) 474-5494
University of Alaska Fairbanks                WWW: http://www.arsc.edu/

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