2 channel sound when 5.1 is expected

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http://askubuntu.com – I have this sound issue ever since Ubuntu 10.x. I am on 11.10 now and I was hoping this would have been fixed. I would like to use 5.1 speaker sound, so I go to the speaker icon in the top right of the screen and select sound properties, navigate to hardware tab and select 5.1 analog mode. This works wile sound is playing e.g. from Banshee music player. But each time I change a song, the sound is back to 2 channels again. I have tried the answer from "Sound reverts to 2 channels from 5.1 + Analog", but unfortunately it did not work for me. I am on 64 bit Ubuntu 11.10. Sound Settings: pro (HowTos)