Thank you Nico and Abu for your help. If someone is interested I put down here the solution I found. 1st pass mplayer dvd://1 -vo null -aid 129 -ao pcm:file=filename.wav 2nd pass lame -b 192 filename.wav filename.mp3 ------------------------------------------------------------- Giorgio Scarabello Virus checked by Exiscan/Clam Antivirus @ neo64.gs.local