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Timeline for PC Surround Sound ports and SPDIF?

Current License: CC BY-SA 2.5

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Jan 25, 2014 at 9:36 history migrated from avp.stackexchange.com (revisions)
Apr 10, 2013 at 14:01 vote accept CommunityBot
Mar 11, 2011 at 13:20 comment added Jesus Cuenca @horatio: which codec may use the manufacturer? Is it possible to encode the surround sound from an application (like a game) to DTS/Dolby/etc, in order for the home cinema to understand it?
Mar 4, 2011 at 13:58 comment added Eric M " check the manual for the concise answer here." Oh, I've poured over the manual and, unfortunately, these details are not spelled out and seem hard to come by. They mention the chipset so I've been reading up on the chipset but, of course, chipset is not the same as the actual "implementation"
Mar 4, 2011 at 13:57 comment added Eric M Very informative. From your reply and further reading, I've come to learn & understand that SPDIF is merely an encapsulation technology and not an audio format per-say. I now understand that SPDIF will pass audio in the format given to it. I'm curious though, if SPDIF is merely a pass through and all you have is an analog source, would you first have to find a way to convert it to digital? SPDIF being a digital format; thus requiring analog to be A/D first? In other words, SPDIF does not have an A/D audio conversion spec, correct?
Mar 4, 2011 at 13:53 comment added Eric M Thanks, I did not know that and will check into it.
Mar 1, 2011 at 17:41 comment added horatio I don't rate commenting yet, so consider this as a comment on IAN C.'s thread: Unless your board manufacturer paid the licensing fee for the codec, then SPDIF OUT is most likely restricted to 2 channel output. It WILL pass-through pre-encoded 5.1 such as that found on a movie DVD, but you will not (for instance) get surround-sound from games.
Feb 28, 2011 at 14:33 history answered Ian C. CC BY-SA 2.5