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Thread: HOWTO: Download YouTube Stereo MP3s

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  1. #11
    Join Date
    Dec 2006
    Beans
    7,299

    Re: HOWTO: Download YouTube Stereo MP3s

    Hi SuperMike,

    Well, a problem might be the different syntax found with all the different versions of ffmpeg found with Ubuntu. The file I have on my Desktop from youtube is the following:

    Code:
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Rammstein_Mutter.mp4':
      Duration: 00:03:45.90, start: 0.000000, bitrate: 338 kb/s
        Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16
        Stream #0.1(und): Video: h264, yuv420p, 352x264, 24.99 tb(r)
    And conversion of audio only with the svn ffmpeg, decreasing the bitrate a little is as follows:

    Code:
    andrew@skamandros:~/Desktop$ ffmpeg -i Rammstein_Mutter.mp4 \
    -acodec libmp3lame -ab 192k Rammstein_Mutter.mp3
    FFmpeg version SVN-r16683, Copyright (c) 2000-2009 Fabrice Bellard, et al.
      configuration: --disable-debug --enable-shared --disable-static 
    --enable-postproc --enable-avfilter --enable-pthreads --enable-libtheora 
    --enable-libvorbis --enable-swscale --enable-x11grab --enable-libmp3lame 
    --enable-libxvid --enable-libx264 --enable-libschroedinger 
    --enable-libfaac --enable-libamr-wb --enable-libamr-nb 
    --enable-libspeex --enable-libgsm --enable-nonfree --enable-gpl
      libavutil     49.14. 0 / 49.14. 0
      libavcodec    52.11. 0 / 52.11. 0
      libavformat   52.24. 1 / 52.24. 1
      libavdevice   52. 1. 0 / 52. 1. 0
      libavfilter    0. 2. 0 /  0. 2. 0
      libswscale     0. 6. 1 /  0. 6. 1
      libpostproc   51. 2. 0 / 51. 2. 0
      built on Jan 19 2009 12:03:54, gcc: 4.3.2
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Rammstein_Mutter.mp4':
      Duration: 00:03:45.90, start: 0.000000, bitrate: 338 kb/s
        Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16
        Stream #0.1(und): Video: h264, yuv420p, 352x264, 24.99 tb(r)
    Output #0, mp3, to 'Rammstein_Mutter.mp3':
        Stream #0.0(und): Audio: libmp3lame, 44100 Hz, stereo, s16, 192 kb/s
    and this produces a stereo 192 kbs mp3. I am not sure how the stock Ubuntu ffmpeg handles aac audio though. But the sound and picture quality of the unaltered, downloaded mp4 file is pretty impressive anyway do you think?

    Andrew
    Last edited by andrew.46; January 20th, 2009 at 01:52 PM.
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