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Sox can speed up mp3s in linux. Use the stretch paramater.

sox infile outfile effect

stretch factor [window fade shift fading] Time stretch file by a given factor. Change duration without affecting the pitch. factor of stretching: >1.0 lengthen, [...]

Here’s a description of the bug:

VI editor doesn’t work properly

This question was originally filed as bug #189154.

When editing file with vi, it works well as far as I don’t try to modify the file. When I hit insert key the word INSERT doesn’t appear at the lower left corner of VI. [...]