I installed an Ubuntu 12-04 LTS server for a special background music application of mine, where I am using the server with an Asus Xonar DS sound card.
The installation is successful, the MPD is working, the sound card is working with Alsa and its libraries installed except for alsa-oss. Alsamixer is working fine with left/right sides of each channel volume control through Q/Z letters shortcut when alsamixer is open in terminal .
Using the command speaker-test -Dplug:surround71 -c8 -l1 -twav, I can hear every voice message coming out from the card at the right connector, so "front right/ front left" voice message are coming from first output in the card back, while the other outputs are silent..so on.
The problem is that MPD is playing on all outputs simultaneously the same audio. I have been trying various configurations for the last 12 days with out any success, including trying to put mappings in the /etc/asound.conf
Can any body help me achieve the above, or direct me to the right configuration of MPD or asound.conf?