The VideoLAN Forums

Preferences → All → Input/Output → Playback Speed

This is not possible.

Why not?

Yes, I'd like to know this, too, so I can record both my mic and the soundcard's output simultaneously.

So far, I've been provided with a "key" to plug into the Windows playback software. I don't have a Windows box handy (on an intel mac), but I tried installing the software into CrossOver Office (wine), which only partially works. From reading forum posts, apparently the Windows software i...