Does this help? It's related to the "Sound Sensor" but the menu setting is not called sound sensor. There's also apparently a physical switch you can turn off?

Does this help? It's related to the "Sound Sensor" but the menu setting is not called sound sensor. There's also apparently a physical switch you can turn off? I can't check that though. https://www.samsung.com/latin_en/support/tv-audio-video/how-to-troubleshoot-the-samsung-qled-tv-that-turns-the-volume-up-and-down-automatically/# https://www.samsung.com/latin_en/support/tv-audio-video/how-...