Symptom: On the Apple TV 4K device, every single app plays normally (Netflix, Prime, HBO, Disney+, Paramount+, etc.). Except: The Apple TV+ app plays video with music and sound effects, but no dialog.
Clearly not about the Apple device.
What is it about the Apple TV APP that is different from every other app streaming on the Apple TV device?
HDMI Setup: Apple TV 4K —> Denon Receiver —> Hisense 8K U8N (2024)