If your setup is , you are introducing a middleman. Many TVs (even high-end LG C9/CX models) can pass the Dolby signal but might strip the metadata or fail to sync the clock correctly, resulting in micro-cuts every 5 seconds[citation:1].
But for a significant number of users, this premium experience is ruined by a persistent, infuriating gremlin: dolby atmos crackling
If you are running a home theater PC (HTPC) connected to a soundbar or AV receiver via HDMI, your graphics card is your sound card. If your setup is , you are introducing a middleman