No definitions found for 'MPEG-1 Layer-2'
Perhaps one of these:
mpexl,
mobssl-uaf,
mpeg-2 low sampling frequencies extention,
map collection,
mpc level 1 specification,
mpc level 2 specification,
mpeg-1 layer 3,
mpeg-4 hiln,
mpeg-2 lsf,
mopishly