> So that's not really use for me to have a 48 khz soundcard... Why > such a design from the manufacturer? 48KHz is a neat multiple of 8KHz, which I think was the original sample rate used in telephony. DAT is also at 48KHz. 44.1KHz for CD audio is a bodge designed so that Sony video recorders could be used for mastering back in the 1970's: http://www.jthz.com/mp3/CD-44100Hz.htm Cheers Daniel