Virtual Surround Sound audio format?

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Joined
7 Oct 2010
Posts
230
Hi all, so I have a Samsung soundbar that does virtual surround sound. However it is technically a 2.1 system and I'm confused about what audio format I should use.

Do I just feed it a stereo signal, like PCM Linear?

Or do I use a surround sound signal, like bit stream DTS?

As you can probably tell, I'm not too clued up when it comes to audio.
 
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