Stuff

mencoder
-oac lavc
-ovc lavc
-of mpeg
-mpegopts format=dvd:tsaf
-vf expand=1920:1080,scale=720:480,harddup
-srate 48000
-af lavcresample=48000

-lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=8000:keyint=18:trell:mbd=2:
precmp=2:subcmp=2:cmp=2:dia=-10:predia=-10:cbp:mv0:vqmin=1:lmin=1:dc=10:vstrict=0:acodec=ac3:abitrate=640:aspect=16/9

-fps 24000/1001
-ofps 24000/1001
-o video.mpg
input.ts