Ripping Audio With Mplayer

The first step for creating audio description for movies is to extract the audio content. We can do this quickly using little bit of mplayer command line kung fu.

mplayer -novideo -quiet -vc null -vo null -ao pcm videofile [ OR ] mplayer -novideo -quiet -vc null -vo null -ao pcm:file=audio.wav videofile

You can easily join the extracted audio with the audio description track using the Mencoder (MPlayer's Movie Encoder). Right now I haven't completed audio description for a feature length movie yet. My Gnome accessibility works takes a large chunk of my time. If you are interesting in working something like that, get in touch with me.

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