Dolby Digital DTS how to enable?

Hello I see that on the intro screen you state u have dolby digital and DTS support how to enable either of them ? I do have a receiver hooked up to my pc vida HDMI and I watch movies that have DTS and DD and the receiver can decode them but for the game I get 5.1 sound but it’s PCM .

PCM is fine. DTS and DD are ‘compressed’ formats designed to lower the size of pre-rendered audio (think movies fitting on DVDs). The game doesn’t need to store all the audio, so you get it as raw, uncompressed PCM which has the same or better quality.

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