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== LINUX CONVERSION ==menucoder mencoder -oac copy -ovc lavc -of mpeg -mpegopts format=dvd:tsaf -vf scale=720:480,harddup -lavcopts threads=3:vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=15:vstrict=0:aspect=16/9 -ofps 30000/1001 -o mr.mpg mr.aviusing ffmpeg ffmpeg -threads 3 -i mr.avi -target ntsc-dvd -r '30000/1001' -aspect 16:9 -acodec copy mr.mpg== numbers rates and conversions ==25/23.976104.27%1.042709376042709376042709376042795.904000000000000000000000000065%4.27%NTSC to PAL conversion is a speed up of 4.096% (69.5 cents pitch shift). (104.096% of NTSC speed)PAL to NTSC conversion is a slow down of 4.2709376043% (-72.4 cents pitch shift). (95.904% of the PAL speed)