samples too high

Hi, When I play samples (for example a CD with mp3's) with XMMS the pitch is slightly too high. I get the idea that 44.1Khz samples are played on 48Khz... Is this the case and how can I fix this? Regards, Harry ten Berge Test Engineer Holland Institute of Traffic Technology HITT B.V. P.O. box 717 Apeldoorn the Netherlands email :berge@hitt.nl http://www.hitt.nl tel : +31 555432537 fax : +31 555432554