I still experience some shrillness particularly with some female voices. Although this evening Ben Fogle sounded like a big girlie. I haven’t ruled out my hearing aid contributing to the situation. It apparently is tuned to boost higher frequencies and I don’t know if what I am hearing is natural. Not sure how to pinpoint the issue.Watched this comparing Netflix app build into my XF9005 and the Netflix app in my Xbox One S. Had no problems hearing the dialogue nor any shrillness. The audio from the Xbox was slightly louder than the built in app.
May be it was because the Xbox app was only 5.1, it doesn’t out put Dolby Atmos to my tv. Sonos settings Equaliser Bass +4 Treble -2, Sub +3, loudness on.