Your Help Needed in Recording the BU Chautauqua

Tom Coffin tcoffin at ncsa.uiuc.edu
Mon Sep 13 20:33:36 CDT 1999


ACCESS-DC is using the new improved rat
and has ntp running.

________________________________________________
At 04:06 PM 9/12/99 -0500, Lisa C. Childers wrote:
   >Folks,
   >
   >During the BU Chautauqua, ANL plans to record the network-based,
   >public-channel audio and video streams that are tranmitted over the grid.
   >To make the recordings, we will be using our multimedia record and
   >playback engine, called Voyager.  These recordings will be archived so
   >that we can replay them long after the Chautauqua.  Voyager clients will
   >be available for download so that the entire AG will have access to these
   >recordings.  Our goal is to capture some excellent moments of the 
   >AccessGrid in action!
   >
   >In order to make this happen, we need your help.  You need to make sure
   >the following software is running on your audio and video capture machines
   >EARLY ON MONDAY:
   >
   >	* All VIDEO and AUDIO CAPTURE machines on the grid must be running 
   >NTP clients for time-synchronization.  See 
   >http://www-fp.mcs.anl.gov/fl/accessgrid/recordings.htm for more
   >information.  If you're not NTP-synched, your node's streams won't show
up 
   >during playback.
   >
   >	* Install a new version of rat.  The current rat has a bug in it's
   >RTP packet timestamping algorithm.  A new version of the rat binary for
   >linux is available at 

>http://www-unix.mcs.anl.gov/~olson/AG/Software/Linux/RPMS/ucl-rat-4.0.4sr-1
.i386.rpm.
   >(To install this version of rat, you may need to uninstall the current 
   >version with "rpm -e ucl-rat".)  If you are not up to AG-spec, and are 
   >running some other os on your audio machine, email me asap.
   >
   >Again - It is important that we have the new software installed early in  
   >the day of Monday's MegaCruise!
   >
   >Thank you,
   >Lisa
   >
   >
   >


___________________________________________________________
Tom Coffin .......................... tcoffin at ncsa.uiuc.edu



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