[ubuntu] Sound-Blaster Extigy: No surround sound, only front left and right

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http://ubuntuforums.org – Hi, I have a sound-blaster Extigy sound card with a 5.1 sound system. For info, the extigy is an external USB sound-card, AC3 and Dolby Digital compatible and coming with an IR remote control. One of the very interesting feature of this card is the ability to work even without the computer. I have my TV (line-in) and a DVD player (S/PDIF coaxial in) attached to the card and, thanks to the remote control, no need to fire up the computer to control the sound card. I think I have the problem described in this bug report when I try to use the 5.1 analog output. Anyway, I just need the S/PDIF inpu (Hardware)