I've done this: 1. Run alsamixer then 2. turned down the PCM volume to about 80% in order to get rid of the crackles 3. turned alsamixer's master volume up. Hope it works Glenn Luke (Terry) Vanderfluit wrote: >Hi, > >I'm new to linux sound (but not to sound or linux) >So I'm starting off on a journey and need some help. > >I have a dman pci card with cs46xx chipset. > >I'm using Redhat 9, when my machine booted it detected the card and >configured it. >However, all is not right. >there are lots of crackles and pops when the volume is up. > >It can play wavs but it seems the volume needs to be quite high. > >I have downloaded the alsa tarballs (driver, lib, utils) > > >what should be my first step in trouble shooting this setup > >thanks, >kind regards, >Luke > >