[mythtv-users] 5.1 Centre speaker volume in 0.21

Greg Lucas-Smith bwobbones at gmail.com
Wed Jun 25 13:18:20 UTC 2008

Hi all,

  I've recently managed to get my 5.1 channel audio (not SPDIF, 3
connectors) going which is awesome as I have never been able to make this
work before but now when I change the volume, only the volume of the left
and right, front and rear speakers is affected, the centre speaker remains
at a constant level.  This means that I either have to have the centre so
low that it isn't effective, or I can't turn the TV down.

  Does anyone have any idea how to tie Master, Surround and Centre together
under Ubuntu 8.04?  My sound settings:

  output device: ALSA:surround51
  max audio channels: 5.1
  use internal volume controls: checked
  mixer device: ALSA:default
  mixer controls: Master

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