Operated the box here on a * active * USB HUB, here "D-Link DUB-H7 USB 2.0 Hub", hanging on a Raspberry Pi. The SoundBar is well-supplied with power on a connected USB port. Thus one has done, not only the power supply for the SoundBar but also the USB port for the built-in sound card. The Audi cable can be saved for the holidays.
As a player can for example be used with gstreamer0.10 gmusicplayer.
For the Raspberry Pi have to make the following settings in raspbian:
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# / Etc / modules
Insert the following entry # in front of others and let rest
snd_usb_audio
...
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# / Etc / modprobe.d / ALSA base.conf
Change # only 1 entry, as follows - let rest
...
options snd-usb-audio index = 0
...
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