On Sat, Jun 6, 2009 at 09:14, ronggui wong <ronggui.w...@gmail.com> wrote: > Dear all, > > I have some MTV in *.mp4 format, and I would to convert them to mp3 > format. What software should I use? > I try ffmpeg using ffmpeg -i in.mp4 out.mp3, but it seems something > goes wrong as I can not play the out.mp3 with audacious player.
hmmm, I just that same command to get mp3 audio out of a mp4/h.264/aac file. Does ffmpeg giv you info about what it is doing, like this: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'LarryOstermanWin7Audio.mp4': Duration: 00:56:39.79, start: 0.000000, bitrate: 454 kb/s Stream #0.0(und): Video: h264, yuv420p, 320x240, 29.97 tbr, 29.97 tbn, 59.94 tbc Stream #0.1(und): Audio: aac, 48000 Hz, stereo, s16 Output #0, mp3, to 'test.mp3': Stream #0.0(und): Audio: libmp3lame, 48000 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.1 -> #0.0 Have you tried playing the mp3 with mpg123 or mplayer? Cheers, Kelly Clowers -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org