you can use hda-analyzer to toggle R/L of node 0x24 to swap center and lfe channel
it is a side effect of the copy front feature which the front channel is copied to all speakers of 5.1 and 7.1 the desktop user may regarded this is a bug since center and lfe does not get the expected signal when playing stereo -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1120853 Title: [AD1988B,] 5.1 surround sound unresposive or of poor quality Status in “alsa-driver” package in Ubuntu: In Progress Bug description: Card info is as follows... card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] Subdevices: 3/3 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 card 0: Intel [HDA Intel], device 1: AD198x Digital [AD198x Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 I tried to look after the problem with the following ubuntu fourum post: http://ubuntuforums.org/showthread.php?t=2103358 any more suggestions would be much appreciated. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1120853/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
