Hello, Nicolas Boulenguez, le Thu 05 Aug 2010 01:59:08 +0200, a écrit : > I tried another application (hydrogen) using libportaudio > (19+svn20071022-3+b1), it works fine. Just to make sure: did you make sure that hydrogen was really using libportaudio? Apparently it's able to use several backends, including alsa, so I guess you might have to set portaudio by hand to make it really use it. Samuel