Here's my current HomePod mini + Apple TV 4K setup. It's not as clean as some others, but it works : r/HomePod
HomePod + TV speakers? Just bought a LG C1 (not pictured)…. Is it possible to have both my stereo HomePods AND the LG TV speakers playing anytime I'm in the Apple TV.
Help library: LG TV support of Apple AirPlay 2 and HomeKit | LG Canada
How to use your Apple HomePod for a Dolby Atmos TV speaker setup
Apple's HomePod Didn't Have To Die | by Michael Long | Mac O'Clock | Medium
Apple HomePod mini Review | PCMag
Help library: LG TV support of Apple AirPlay 2 and HomeKit | LG Canada
Apple HomePod mini Review - RTINGS.com
AirPlay 2 and HomeKit for smart TVs: Everything you need to know! | iMore
The best AirPlay 2 speakers: Top Apple and iPhone connected speakers
Help library: LG TV support of Apple AirPlay 2 and HomeKit | LG Canada
tvOS 15.1 brings SharePlay to Apple TV, Spatial Audio & lossless to HomePod - FlatpanelsHD