edit and add which speaker makes noise when you run this command:speaker-test -c6 -Dplug:surround51 -t wav -l1example: Front Left -> Front Right #means Front Left sound is from Front Right speakeredit the following lines to show us what your soundcard doing:example: Front Left -> Front LeftFront Left -> Front Right -> Rear Left -> Rear Right -> Center -> LFE (subwoofer) -> post the above to #alsa or some pastebin sitesome ttable info:speaker 0 - Front Leftspeaker 1 - Front Rightspeaker 2 - Rear Leftspeaker 3 - Rear Rightspeaker 4 - Centerspeaker 5 - LFEasoundrc usage: ttable.<channel>.<speaker> <volume>example for the VIA8237 soundcard:ttable.0.0 1 # channel 0; speaker 0; volume 100%ttable.1.1 1 # channel 1; speaker 1; volume 100%ttable.2.4 1 # channel 2; speaker 4; volume 100%ttable.3.5 1 # channel 3; speaker 5; volume 100%ttable.4.2 1 # channel 4; speaker 2; volume 100%ttable.5.3 1 # channel 5; speaker 3; volume 100%