MP4 to MP3 (Video+Audio -> Audio)

[Shevek]

> Shevek
>         Thank you for your suggestions.   It runs, but the screen is filled with red error messages.   I tried it with both MP4 & WMV with no difference.   Could it be due to DRM or something similar - I know that the BBC are protective of their output
>

Please ensure you reply to the list and please don't top post...

There is no DRM in the downloaded video.

Please supply your commandline and the full output.