Question
I'm trying to get Dolby Digital (DD) when playing Skyrim on my PC. I can successfully get DD to show up on my receiver (Onkyo 5.1) when playing a .MKV in VLC Player (and selecting SPDIF). However, I'm unable to get DD to show when playing Skyrim. I get sounds, but it's only Dolby Pro Logic. Is there a setting I am missing? I have a ASUS Xonar DG with an optical cable to my Onkyo receiver. I have a Radeon HD 6950, but I have the optical out set as my default audio device.
Thanks in advance guys!
Answer
When you play a movie file, the sound is usually encoded in DD/DTS, so all the card has to do is just pass through the signal to your receiver and the receiver does rest of the work. Most PC games I've played, however, don't support audio out as a DD signal, only as 5.1 discreet channels, and that cannot be delivered on optical connection.
Luckily for you, there is a solution. It's called Dolby Digital Live and is supported by some audio cards, I believe your cards support it as well, what DDL does is take the discreet 5.1 channels, encode them as DD and send them through the SPDIF output. To enable it, go to your Xonar software and on the main tab go to the SPDIF dropdown and choose Dolby Digital Live, this should enable this function.
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