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Convert MPEG to AVI using mencoder in Ubuntu

1. Install mencoder using : $ sudo apt-get install mencoder

2. Move to the folder which contains the .mpeg /.mpg file

3. run the following command :
   
    mencoder INPUTFILE.mpeg -ofps 25 -ovc xvid -oac mp3lame -lameopts abr:br=192 -srate 48000 -xvidencopts fixed_quant=4 -o OUTPUT.avi

** in the example I'm converting INPUTFILE.mpeg to OUTPUT.avi

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