Dolby Digital Plus 5.1 in Settings but not seeing Dolby Atmos indicator. TV is Sony XBR75X850E over HDMI ARC. Content is El Camino 4K on Netflix. What does the indicator look like?
Product - avedio links
HDMI (EARC/ARC) To Digital Audio Converter, DTS@5.1 (DA41) | OREI
HDMI ARC/eARC: The one-cable TV audio tech fully explained | Digital Trends