AVT_CHAR.TXT  Audio/Video Transport (avt) 
AVT_MIN0.TXT  Audio/Video Transport Working Group (AVT), Jul 92 
AVT_MIN1.TXT  Audio/Video Transport Working Group (AVT), Mar 92 
AVT_MIN2.TXT  Audio/Video Transport Working Group (AVT), Nov 92 
AVT_MIN3.TXT  Audio/Video Transport Working Group (AVT), Mar 93