There is another option, cheaper than Xonar DX. Creative has relaeasedPCI Express version of Xtreme Audio, which isn't based on X-Fi chipbut on CA0110. There is some support in Takashi's sound-unstable tree.I'm not sure how well it works (let alone in regard to SPDIF support),hopefully Takashi will be able to answer that part. 2008/9/3 Jason Gauthier <jgauthier@xxxxxxxxxx>:>> Jason Gauthier wrote:>> I can't find many cards except for the Creative Labs X-Fi that seems> to>> fit both.. and from what I read SPDIF passthrough doesn't work. I'm>> not 100% sure what that means. (Pretty new to this level of audio)>>>SPDIF was designed to transport two channels of 16-bit uncompressed>>audio at 48 kHz (this is 192,000 bytes per second). If you want to>>transport more channels (4.0/5.1/7.1), the data has to be compressed>>with a codec like Dolby Digital (AC-3) or DTS, and a special control> bit>>must be set in the SPDIF stream to indicated that the data is>>compressed. (Since nobody wants to pay for an encoder license, this is>>mostly interesting for DVDs, which the audio data already in compressed>>form.)>>> Fantastic explanation!>> I'm not 100% sure where that leaves me with my surround sound project> with Linux (and Myth) but it does leave me thinking quite a bit.>> Thanks,>> Jason>> -------------------------------------------------------------------------> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge> Build the coolest Linux based applications with Moblin SDK & win great prizes> Grand prize is a trip for two to an Open Source event anywhere in the world> http://moblin-contest.org/redirect.php?banner_id=100&url=/> _______________________________________________> Alsa-user mailing list> Alsa-user@xxxxxxxxxxxxxxxxxxxxx> https://lists.sourceforge.net/lists/listinfo/alsa-user> -- Vedran Miletić-------------------------------------------------------------------------This SF.Net email is sponsored by the Moblin Your Move Developer's challengeBuild the coolest Linux based applications with Moblin SDK & win great prizesGrand prize is a trip for two to an Open Source event anywhere in the worldhttp://moblin-contest.org/redirect.php?banner_id=100&url=/_______________________________________________Alsa-user mailing listAlsa-user@xxxxxxxxxxxxxxxxxxxxxxxxxx://lists.sourceforge.net/lists/listinfo/alsa-user
