> DTS is digitally encoded surround if I'm not mistaken so you'd activate this setting
> and then connect the digital sound output on the TV to a digital input on the
> Soundblaster (assuming it has a digital input!) and set the audio source to digital
> in the mixer software.
DTS is a proprietary format that not all soundbars/receivers support. PCM is what it says on the tin: 6 channel uncompressed audio, which is compatible with everything. So normally you'd start with PCM and then if your soundbar supports it you'd turn it on on both ends and pray.