Good job marketing department, using display monikers like "HD", "3D" and even "Ultra HD" to describe high resolution and surround audio is going to help inform consumers and decrease confusion. If there are surround formats I will give it a try since I am subscribed to Amazon Music (purely for use on my Echos).
VIDEO: Epson 5040UB | Sony 65X900A | Sony 55X900A | Samsung UN40H5500
MEDIA: Oppo UDP 203 | Oppo BDP 103 | Apple TV | Nintendo Switch
RECEIVER: Yamaha Aventage RX-A820
AUDIO: Monitor Audio Silver 100 (front), Monitor Audio Silver C350 (center), Monitor Audio Shadow 25 (rear), Rythmik L22 (sub)